When people search for ways to hide being high, they are often trying to understand how cannabis affects their appearance and behavior. They may notice red eyes, dry mouth, slower speech, unusual laughter, trouble focusing, or changes in how they move. These effects can make cannabis use noticeable to other people, especially when the effects are strong.
Cannabis affects the brain and body through compounds called cannabinoids. The main compound that causes the feeling of being high is tetrahydrocannabinol, usually called THC. THC can affect attention, memory, coordination, mood, reaction time, and the way a person senses time. Because of these effects, a person may look or act different from usual.
The signs of being high are not the same for everyone. Some people may become very quiet, while others may talk more than normal. Some may feel relaxed, while others may become nervous or restless. A person may also feel like time is moving slowly, even though only a few minutes have passed. These changes can affect normal conversations and everyday tasks.
The strength of the cannabis product can have a major effect on how noticeable the high becomes. Products with higher levels of THC may cause stronger effects. Someone who uses a strong product may have more trouble concentrating, speaking clearly, or moving normally. A lower dose may cause milder effects, although even small amounts can affect some people more than expected.
The amount used also matters. In general, consuming more THC can lead to stronger and longer-lasting effects. This is especially important with edible cannabis products. Edibles can take longer to start working than smoked or vaped cannabis. Because of this delay, a person may take another dose before the first dose has reached its full effect. This can result in a stronger high than expected.
The method of cannabis use can also change how quickly the effects begin and how long they last. Smoking or vaping cannabis usually produces effects fairly quickly. Edibles may take much longer to produce noticeable effects, but the effects can also last longer. This difference is one reason why it can be difficult to predict exactly how long someone will feel high.
Tolerance is another important factor. A person who uses cannabis often may react differently from someone who rarely uses it. Regular users may develop tolerance to some of the effects of THC. However, tolerance does not mean that a person is completely unaffected. Reaction time, judgment, attention, and coordination can still be impaired even when someone feels more comfortable with the effects.
Body size and metabolism may also influence how cannabis affects a person. The body processes THC differently depending on several factors. Two people can consume the same amount of cannabis and have very different experiences. One person may feel mild effects, while another may feel strongly impaired.
Food intake can also influence the experience, especially when cannabis is eaten. Taking an edible on an empty stomach may feel different from taking the same product after a meal. The type of food eaten may also affect how the body absorbs cannabis compounds. Because edible products can be difficult to predict, their effects may sometimes feel stronger or last longer than expected.
Sleep and stress can make a difference as well. A person who is tired, anxious, or under heavy stress may have a more uncomfortable experience. THC can sometimes increase nervousness, confusion, or worry, especially at higher doses. Lack of sleep may also make it harder to focus, communicate, or manage the effects calmly.
For these reasons, there is no single method that can instantly make someone look or feel sober. Drinking water, eating food, taking a shower, or drinking coffee may help with certain uncomfortable symptoms, but these methods do not quickly remove THC from the body. A person may feel more alert or refreshed while still being impaired.
The safest response is usually to stop using more cannabis and allow the effects to wear off. Resting in a calm place, drinking water, eating a light snack, and staying near a trusted sober person may help someone feel more comfortable. Trying too hard to act completely normal can sometimes increase anxiety and make the situation feel worse.
It is also important to remember that feeling less high is not the same as being fully unimpaired. Cannabis can affect reaction time, judgment, and coordination even when the strongest feelings have started to fade. Driving, operating machinery, caring for someone who needs close supervision, or making important decisions should be avoided until the effects have fully passed.
This article explains the common signs of being high and practical ways to manage uncomfortable effects. It covers red eyes, dry mouth, anxiety, trouble focusing, speech changes, and other common symptoms. It also explains how long cannabis effects may last, whether food or coffee can help, what activities should be avoided, and when medical help may be needed. The main goal is not to defeat testing or hide serious impairment. Instead, it is to help readers understand what cannabis can do to the body and how to manage the experience more safely.
What Are the Most Common Signs That Someone Is High?
Cannabis can affect the body and mind in several ways. Some effects are easy to notice, while others may be subtle. The signs can also vary greatly from one person to another. Someone who uses cannabis often may show fewer obvious signs than a person who rarely uses it. The amount of THC consumed, the type of cannabis product, and the person’s tolerance can all affect how they look and behave.
It is also important to remember that no single sign proves that a person is high. Red eyes, tiredness, nervousness, or poor focus can have many other causes. However, several signs appearing together may suggest that cannabis is affecting the person.
Physical Signs
One of the most common physical signs of cannabis use is red or bloodshot eyes. THC can cause blood vessels in the eyes to widen. This may make the whites of the eyes look pink or red. Some people may also experience dry or irritated eyes.
Dry mouth is another common effect. Cannabis can reduce saliva production, which may leave the mouth feeling sticky or uncomfortable. A person may drink water more often, lick their lips, or complain about feeling thirsty.
Changes in facial expression may also occur. Someone who is high may appear unusually relaxed, sleepy, or distracted. Their eyelids may look heavy, especially after using a large amount of cannabis.
Cannabis can also increase appetite. This effect is sometimes called “the munchies.” A person may suddenly feel hungry even if they have recently eaten. They may also show a stronger interest in sweet, salty, or high-calorie foods.
Movement and coordination can change as well. THC may slow reaction time and affect balance. A person may move more slowly than usual, bump into objects, or have trouble completing tasks that require careful hand movements.
These physical effects tend to become more noticeable as the amount of THC increases. However, people with a high tolerance may experience them differently.
Behavioral Signs
Cannabis can cause noticeable changes in behavior. Some people become more talkative and social, while others become quiet and withdrawn. A person who normally speaks very little may suddenly talk for a long time, or a normally outgoing person may prefer to sit quietly.
Unusual laughter is another possible sign. Cannabis can change how people respond to their surroundings. Things that would normally seem ordinary may suddenly appear funny or interesting. A person may laugh more often or have difficulty explaining why something seems amusing.
Forgetfulness can also occur. THC affects short-term memory, which can make it harder to remember information that was just heard or seen. Someone may repeat a question, forget what they were talking about, or walk into a room and forget why they went there.
Following conversations may also become difficult. A person may lose track of what others are saying or need information repeated. They may pause for longer periods before answering because they are having trouble organizing their thoughts.
Attention can shift quickly while high. Someone might start one activity and then become distracted by something else. This can make normal tasks take longer to complete.
Mental and Emotional Signs
Cannabis does not only affect physical behavior. It can also change thoughts, emotions, and the way a person experiences time.
An altered sense of time is common. A few minutes may feel much longer than they really are. A person may believe that a large amount of time has passed when only a short period has gone by.
Many people experience relaxation after using cannabis. Their muscles may feel less tense, and they may become less concerned about everyday worries. This relaxed state can also make them sleepy.
However, cannabis does not always cause calm feelings. Some people may experience anxiety, especially after consuming a large amount of THC. They may become nervous, restless, or worried that something is wrong.
Paranoia can also occur. A person may feel as though others are watching them, judging them, or noticing that they are high. These thoughts can become stronger in unfamiliar or stressful environments.
Confusion is another possible effect. High doses of THC may make it difficult to understand what is happening or make decisions. A person may struggle to follow instructions or remember where they placed something.
These mental effects are more likely to become uncomfortable when someone consumes more THC than they are used to.
Why Some Signs Are More Noticeable Than Others
Not everyone shows the same signs after using cannabis. Several factors can affect how noticeable the effects become.
The amount of THC is one major factor. Higher doses usually produce stronger effects. Cannabis products with high THC levels may cause more noticeable changes in speech, movement, memory, and mood.
The way cannabis is consumed also matters. Smoking or vaping usually causes effects within minutes. Edibles can take much longer to work, and their effects may last for several hours. Because of this delay, some people may accidentally consume too much before the first dose begins working.
Tolerance also plays a role. A person who uses cannabis regularly may become used to some of its effects. They may show fewer obvious signs than someone who has little or no experience with THC.
The person’s environment can also influence behavior. Someone who feels comfortable may appear relaxed, while the same person may become nervous or self-conscious in a stressful setting.
Fatigue, dehydration, hunger, medications, and alcohol can make some cannabis effects stronger. Combining cannabis with alcohol, for example, can increase dizziness, poor coordination, and difficulty thinking clearly.
The most common signs of being high can involve the body, behavior, thoughts, and emotions. Red eyes, dry mouth, increased appetite, slower movement, unusual laughter, poor short-term memory, difficulty focusing, relaxation, anxiety, and an altered sense of time are all possible effects.
How Long Does Being High Usually Last?
How long a cannabis high lasts can vary a lot from one person to another. The effects may last for only a few hours in some cases, while they may continue much longer in others. The length of the high depends on how cannabis is used, how much THC is taken, how strong the product is, and how the body reacts to it.
THC, or tetrahydrocannabinol, is the main compound in cannabis that causes the feeling of being high. Once THC enters the body, it affects parts of the brain involved in memory, mood, movement, attention, and the sense of time. The body then slowly breaks THC down.
There is no reliable trick that can make this process happen instantly. A person may be able to feel calmer or more comfortable, but that does not always mean the effects of THC have completely passed.
Smoking and Vaping
Smoking or vaping cannabis usually causes effects fairly quickly. A person may begin to notice changes within minutes because THC enters the bloodstream through the lungs. The effects can build quickly, especially when a product contains a high amount of THC.
For many people, the strongest part of the high happens during the first hour or two. The noticeable effects may then begin to decrease over the next few hours. However, the exact length can vary.
A person who takes only a small amount may feel mostly normal after a few hours. Someone who uses a stronger product or takes several large inhalations may feel the effects for longer.
Vaping can also deliver high amounts of THC in a short period of time. Some cannabis vape products contain concentrated THC, which may produce stronger effects than a person expects. This can lead to a longer or more intense experience.
Even after the strongest part of the high has passed, a person may still feel tired, distracted, slow, or mentally foggy. These effects are important because someone may think they are sober before their judgment and reaction time have fully returned to normal.
Edibles
Edible cannabis products work differently from smoked or vaped cannabis. Common examples include gummies, chocolates, baked foods, drinks, and capsules that contain THC.
The effects of an edible usually take longer to begin. A person may not feel anything right away because the product must first move through the digestive system. Effects may begin within about 30 minutes to two hours, although timing can vary.
This delay can sometimes cause problems. A person may believe the first dose was too weak and take more before the original dose has taken full effect. When both doses begin working, the resulting high can become much stronger than expected.
Edible effects can also last much longer than the effects of smoking or vaping. A person may feel high for several hours, and larger doses may produce effects that continue for much of the day or evening.
The reason involves the way the body processes THC after it is swallowed. THC passes through the digestive system and liver before reaching the bloodstream. During this process, the body forms active compounds that can produce strong and long-lasting effects.
Because edibles can have a delayed start and a longer duration, patience is important. Taking more cannabis because the effects have not appeared yet can increase the risk of an uncomfortable experience.
Factors That Affect Duration
Dose is one of the biggest factors that determines how long a cannabis high lasts. In general, a larger amount of THC can lead to stronger and longer-lasting effects. A very small dose may cause mild effects, while a high dose can lead to several hours of noticeable impairment.
THC concentration also matters. Cannabis products can vary greatly in strength. Two products that look similar may contain very different amounts of THC. Concentrates, some vape products, and certain edibles may contain much higher THC levels than traditional cannabis flower.
Frequency of cannabis use can also influence the experience. People who use cannabis often may develop some tolerance to THC. This means they may feel less affected by a dose that would strongly affect someone who rarely uses cannabis. However, tolerance does not remove all impairment.
Metabolism also plays a role. Every body processes substances at a different rate. Age, body composition, genetics, and general health may affect how quickly THC and its byproducts are processed.
Food consumption can influence edible cannabis in particular. Taking an edible with food may change how quickly and strongly its effects are felt. The amount and type of food in the stomach can affect digestion and THC absorption.
Sleep, stress, and other substances may also change how a person feels. Someone who is already tired may feel more sleepy after cannabis use. Someone who is anxious may notice stronger feelings of nervousness or unease. Alcohol can increase impairment and make the effects harder to predict.
Feeling Less High Is Not the Same as Being Fully Unimpaired
One important point is that feeling better does not always mean a person is completely sober. The strongest sensations of being high may disappear before every effect on attention, reaction time, memory, and coordination has ended.
For example, a person may no longer feel very relaxed, dizzy, or unusually happy, yet they may still react more slowly than usual. Their ability to judge distance, follow several tasks at once, or make quick decisions may also remain affected.
This is especially important when it comes to driving, operating equipment, cooking with dangerous tools, caring for someone who needs close supervision, or doing other tasks where mistakes could cause harm.
Trying to look or act sober also does not prove that impairment has ended. Someone may be able to hold a normal conversation while still having slower reaction times or reduced attention.
Time is the main factor that allows THC effects to wear off. Water, food, coffee, showers, or fresh air may help someone feel more comfortable, but they do not instantly remove THC from the body.
The length of a cannabis high depends on the method of use, THC strength, dose, tolerance, metabolism, food intake, and several other personal factors. Smoking and vaping usually produce effects quickly and often wear off sooner than edibles. Edibles take longer to begin and may remain noticeable for many hours.
The strongest effects may fade before a person is fully unimpaired. Feeling more normal does not always mean reaction time, attention, judgment, and coordination have returned to their usual level. The safest approach is to give the body enough time to process THC and avoid driving or other safety-sensitive activities until the effects have completely passed.
How Can You Manage Red or Bloodshot Eyes When High?
Red or bloodshot eyes are one of the physical changes that may happen after cannabis use. For some people, the redness is mild. For others, it can be much more noticeable. The effect can vary based on the amount of THC used, personal sensitivity, the way cannabis was consumed, and other factors such as allergies, lack of sleep, or dry air.
Red eyes can also feel uncomfortable. They may feel dry, itchy, tired, or irritated. While some simple steps can help make the eyes feel better, it is important to remember that changing the appearance of the eyes does not remove THC from the body. A person may still have slower reaction times, reduced coordination, or problems with judgment even after the redness improves.
Why Cannabis Can Affect the Eyes
Cannabis can cause changes in the small blood vessels found in and around the eyes. THC, the main intoxicating chemical in cannabis, can affect blood circulation and may cause some blood vessels to widen. When the tiny vessels on the white part of the eye become more visible, the eyes may appear red or bloodshot.
The amount of redness can be different from one person to another. Someone may have very red eyes after a small amount of cannabis, while another person may have little visible redness after using more. Because of this, red eyes are not a reliable way to measure how intoxicated someone is.
The way cannabis is used may also matter. Smoking can expose the eyes to smoke, which may cause extra irritation. Smoke contains particles and chemicals that can make the eyes feel dry or uncomfortable. A person who already has sensitive eyes may notice more irritation when cannabis is smoked indoors or in an area with poor airflow.
Redness may also occur after eating cannabis products, even though there is no smoke. This shows that smoke is not the only reason cannabis may affect the eyes. THC itself can contribute to changes in the blood vessels.
Dryness and Irritation
Dry eyes can make redness more noticeable. Cannabis may cause some people to experience dryness in the mouth and eyes. When the eye surface does not have enough moisture, it can become irritated. A person may then rub the eyes, which can make the redness worse.
Other conditions can add to this problem. Air conditioning, fans, computer screens, contact lenses, dust, and dry weather may all increase eye discomfort. Someone who is already tired may also have red eyes before using cannabis.
It is usually best to avoid rubbing the eyes, even when they feel itchy. Rubbing can increase irritation and may introduce dirt or bacteria from the hands. Closing the eyes for a few minutes or resting in a comfortable place may be more helpful.
Resting the Eyes
Giving the eyes a break can help when they feel tired, dry, or irritated. Spending a long time looking at a phone, television, or computer screen can make eye discomfort worse. Screens often reduce how often a person blinks, which can allow the surface of the eye to become drier.
Sitting in a comfortable room and closing the eyes for a short period may help them feel less strained. Lowering very bright lighting may also make the eyes more comfortable, especially if cannabis has increased sensitivity to light.
Rest is also helpful because it allows time for the effects of cannabis to gradually wear off. There is no quick method that can immediately reverse THC intoxication. Even if the eyes begin to look clearer, the mental and physical effects of cannabis may still remain.
Staying Hydrated
Drinking water may help with general comfort, especially if cannabis has caused a dry mouth. Good hydration also supports normal tear production and may help someone who is mildly dehydrated feel better.
However, drinking large amounts of water will not quickly remove THC from the bloodstream or make someone sober. Water should be used for normal hydration rather than as a method for trying to speed up the end of a high.
Small amounts of water taken regularly may be easier than drinking a large amount at once. If someone also feels nauseated, slow sips may be more comfortable.
Avoiding Smoke and Other Irritants
Smoke can irritate the eyes whether it comes from cannabis, tobacco, cooking, fires, or another source. If the eyes already feel red or dry, moving away from smoke may prevent further irritation.
Fresh air may help some people feel more comfortable, although they should remain in a safe place while impaired. Strong fragrances, dust, wind, and chemical fumes can also irritate sensitive eyes.
Contact lenses may sometimes make dryness worse. A person who regularly wears contacts and experiences irritation should follow the care instructions provided for those lenses. If the lenses become painful or uncomfortable, they should not be ignored.
Using Lubricating Eye Drops When Needed
Lubricating eye drops, sometimes called artificial tears, may help relieve dry or irritated eyes. These products are designed to add moisture to the surface of the eye. They may be useful when dryness is contributing to redness or discomfort.
Eye drops should always be used according to the directions on the package. A person who wears contact lenses should check whether a product is safe to use with contacts.
Some eye drops are designed mainly to reduce the appearance of redness by narrowing blood vessels. These are different from simple lubricating drops. Frequent use of some redness-relief products may cause irritation or rebound redness in certain people, so they should not be overused.
Eye drops should also never be shared with another person. The tip of the bottle should not touch the eye, eyelashes, or other surfaces because this can increase the risk of contamination.
When Eye Redness May Have Another Cause
Cannabis is not the only reason eyes become red. Allergies are a common cause. Pollen, dust, pet dander, and other allergens can lead to redness, watering, itching, and swelling.
Eye infections can also cause redness. An infection may involve pain, discharge, swelling, crusting around the eyelids, or redness that continues for a long time. These symptoms should not automatically be blamed on cannabis.
Contact lens problems can also lead to serious eye irritation. Pain, strong sensitivity to light, blurred vision, or sudden changes in eyesight require more attention than ordinary mild redness.
A person should seek medical advice if eye redness is severe, painful, linked with an injury, causes changes in vision, or does not improve. These signs may point to an eye problem that needs treatment.
Why Clearer Eyes Do Not Mean Someone Is Sober
Reducing eye redness does not change the amount of THC affecting the brain. A person’s eyes may look normal while attention, coordination, judgment, memory, or reaction time are still affected.
For this reason, eye appearance should never be used to decide whether it is safe to drive, operate equipment, supervise risky activities, or perform other tasks that require full attention. The safest choice is to wait until the effects have fully passed.
Trying to look less impaired is not the same as becoming less impaired. Comfort measures may help with dry or irritated eyes, but time is still the main factor that allows the body to process the effects of cannabis.
Red or bloodshot eyes can occur after cannabis use because THC may affect small blood vessels around the eyes. Smoke, dryness, tiredness, contact lenses, and environmental irritation can make the redness worse. Resting the eyes, staying normally hydrated, avoiding smoke, and using suitable lubricating eye drops may help reduce discomfort. However, red eyes can also be caused by allergies, infections, or other eye problems, so severe pain, vision changes, or lasting redness should be checked by a healthcare professional. Most importantly, making the eyes look clearer does not remove cannabis impairment. A person should still avoid driving or other safety-sensitive activities until the effects have completely worn off.
How Can You Manage Dry Mouth and Cannabis Breath?
Dry mouth and strong breath are two common effects people may notice after using cannabis. Dry mouth can happen with smoked, vaped, or edible cannabis. Smoking can also leave a clear odor on the breath, clothing, hair, and hands. These effects can feel uncomfortable and may make a person more aware of how they look or smell around others.
Simple steps can make dry mouth and irritation easier to manage. However, it is important to understand that improving your breath or removing smoke odor does not make you sober. THC can still affect judgment, coordination, memory, and reaction time even when the physical signs seem less noticeable.
Why Cannabis May Cause Dry Mouth
Many people who use cannabis experience dry mouth, sometimes called “cottonmouth.” This happens because cannabinoids such as THC can affect receptors involved in saliva production. When these receptors are activated, the salivary glands may produce less saliva than normal.
Saliva plays several important roles in the mouth. It keeps tissues moist, helps with swallowing, supports digestion, and helps protect teeth from bacteria and acids. When saliva levels fall, the mouth may feel sticky or dry. The tongue and throat may also feel rough.
Dry mouth can happen even if a person has been drinking enough water. This is because the problem is not always caused by dehydration. Cannabis itself can reduce saliva production for a period of time.
Smoking or vaping can make the feeling worse. Hot smoke or vapor may irritate the mouth and throat. Breathing through the mouth can also increase dryness. People who are already dehydrated, tired, or taking certain medicines may notice stronger symptoms.
Dry mouth is usually temporary and improves as the effects of cannabis wear off. Still, repeated episodes of dry mouth may not be good for oral health. Saliva helps control bacteria in the mouth, so ongoing dryness may increase the risk of bad breath, tooth decay, and gum problems.
Drinking Water for Dry Mouth
Drinking water is one of the simplest ways to make dry mouth feel more comfortable. Small sips taken regularly may work better than drinking a large amount all at once.
Cool water can help moisten the mouth and soothe a dry throat. Keeping water nearby may also make swallowing and speaking easier. However, drinking water does not remove THC from the body quickly or make someone sober.
It may be helpful to avoid very sugary drinks when the mouth is dry. A dry mouth already has less saliva available to wash away sugar and bacteria. Frequent sugary drinks may increase the risk of tooth problems.
Alcohol should also be avoided. It can increase dehydration and may make cannabis-related impairment stronger. Very large amounts of caffeine may also make some people feel more anxious, restless, or aware of a fast heartbeat.
Using Sugar-Free Gum or Lozenges
Chewing sugar-free gum can help increase saliva flow. The act of chewing signals the salivary glands to produce more moisture. This may reduce the sticky feeling in the mouth and make speaking more comfortable.
Sugar-free lozenges may work in a similar way. Slowly sucking on a lozenge can help stimulate saliva while also soothing a dry throat.
Products that contain sugar may provide temporary relief, but they are not ideal for frequent use. When saliva levels are low, sugar may stay on the teeth longer. This can create conditions that help harmful bacteria grow.
Some people also use oral products made for dry mouth. These may include moisturizing mouth sprays, rinses, or gels. Such products can improve comfort, but they do not change the level of cannabis impairment.
Eating a Light Snack
A light snack may also help with dry mouth. Chewing food can encourage saliva production and may reduce the unpleasant taste that sometimes follows smoking or vaping cannabis.
Foods with a high water content, such as fruit, may feel more comfortable than very dry foods. Salty foods may make thirst or dryness feel worse for some people.
Cannabis can also increase appetite. Eating something may help with hunger, but food does not instantly stop a high. THC has already entered the bloodstream after cannabis has been smoked or vaped. With edibles, cannabis may continue to be absorbed through the digestive system for several hours.
Eating should therefore be seen as a way to improve comfort rather than a method for quickly becoming sober.
Managing Cannabis Breath
Smoking cannabis can leave a strong odor in the mouth. Smoke contains compounds that can remain on the tongue, teeth, gums, and throat. The smell may also stay on clothing, hair, skin, and nearby objects.
Brushing the teeth can help remove some odor from the mouth. Cleaning the tongue may also help because odor-causing compounds and bacteria can collect on its surface.
Rinsing the mouth with water or mouthwash may provide temporary freshness. Sugar-free gum can also help by increasing saliva and reducing dryness.
Washing the hands may remove smoke residue from the skin. Smoke odor can remain on fingers after handling cannabis or smoking materials.
Fresh clothing can also help when smoke has collected on fabric. Cannabis smoke may remain on jackets, shirts, or other clothing even after the smell in the room has faded.
Fresh air and ventilation can reduce lingering smoke odor in a room. However, air fresheners and strong fragrances may only cover the smell rather than remove smoke particles.
Why Masking Odor Does Not Reduce Impairment
Reducing cannabis odor can make someone feel cleaner and more comfortable, but it does not change how THC affects the brain.
A person may brush their teeth, change clothes, wash their hands, and no longer smell strongly of cannabis while still being impaired. THC may continue to affect reaction time, judgment, memory, attention, and coordination.
This difference is important when considering activities such as driving, operating equipment, working in a safety-sensitive setting, or caring for another person. Looking or smelling normal is not the same as being fully sober.
There is also no simple hygiene method that quickly removes THC from the body. Time is the main factor that allows the effects to decrease. The amount of time needed can vary depending on the dose, method of use, product strength, tolerance, and individual metabolism.
Dry mouth and cannabis breath are common after cannabis use, especially when it is smoked or vaped. Drinking water, chewing sugar-free gum, using sugar-free lozenges, and eating a light snack may help make dry mouth more comfortable. Brushing the teeth, cleaning the tongue, washing the hands, changing clothes, and getting fresh air can also help reduce smoke odor.
How Can You Handle Anxiety, Paranoia, or Nervous Behavior?
Cannabis can make some people feel calm, but it can also cause anxiety, fear, or paranoia. These effects are more common when a person uses a high dose of THC, tries a strong product, or consumes more cannabis than expected. They can also happen when someone is already tired, stressed, or uncomfortable.
Anxiety while high can feel intense. A person may notice a fast heartbeat, racing thoughts, sweating, shaking, or a strong sense that something is wrong. Some people may also become very aware of how they are speaking or acting. This can make them feel even more nervous.
The important thing to remember is that these feelings often improve as the effects of THC wear off. There is no instant way to remove THC from the body, but several simple steps can make the experience easier and safer.
Why THC Can Sometimes Increase Anxiety
THC is the main compound in cannabis that causes the feeling of being high. It affects parts of the brain involved in mood, memory, attention, and the sense of time. At lower amounts, some people may feel relaxed. At higher amounts, the same effects can become uncomfortable.
A strong THC dose may make normal thoughts feel more important or threatening than they really are. A person may start thinking that other people are watching them, judging them, or noticing every small change in their behavior. This may lead to paranoia.
The setting also matters. Being in a crowded room, unfamiliar place, or stressful social situation may make anxiety worse. Loud sounds, bright lights, and too many conversations can feel overwhelming when someone is already high.
Lack of sleep can also play a role. A tired brain may have a harder time dealing with strong THC effects. Stress before using cannabis can have a similar effect. If someone already feels worried, THC may increase those feelings instead of calming them.
People with little cannabis experience may be more likely to feel uncomfortable because they do not know what to expect. Edibles can also increase the risk because their effects can take longer to begin. Someone may take more before the first dose has fully started working.
Ways to Calm Yourself
One of the best ways to manage cannabis-related anxiety is to move to a calm and familiar place. A quiet room with soft lighting may feel much easier to handle than a busy public setting.
Sitting or lying down can also help. Anxiety may cause dizziness or make a person feel unsteady. Resting in a safe place lowers the risk of falling and gives the body time to settle.
Slow breathing can be useful when thoughts are racing. Try breathing in slowly through the nose, then breathing out gently. The goal is not to force the anxiety away. Instead, focus on slowing the body down and paying attention to each breath.
Drinking small amounts of water may also improve comfort, especially if dry mouth is making the experience worse. Water will not make someone sober faster, but staying hydrated can reduce some physical discomfort.
Reducing stimulation can make a major difference. Turn down loud music, step away from large groups, and limit bright screens if they feel overwhelming. A simple and familiar environment can make it easier to stay calm.
Talking with a trusted sober person can also help. A calm person can offer reassurance, help monitor symptoms, and prevent risky choices. They can remind the person that the effects are temporary and that they do not need to solve every worry they are having while high.
Things That May Make Anxiety Worse
Taking more cannabis is usually a poor choice when someone already feels anxious or paranoid. More THC may make the effects stronger and may extend how long they last. It is better to stop using cannabis and give the body time to process what has already been consumed.
Alcohol can also make the situation worse. Mixing alcohol and cannabis may increase dizziness, nausea, poor judgment, and loss of coordination. It can also make it harder to tell which substance is causing the symptoms.
Large amounts of caffeine may not help either. Coffee and energy drinks can increase alertness, but they may also raise heart rate and make a person feel shaky or restless. Someone who is already worried about a fast heartbeat may become even more anxious after drinking caffeine.
Another common problem is focusing too much on trying to appear normal. A person may start checking every word, movement, or facial expression. This can increase self-consciousness and make anxiety stronger. It is often better to reduce social pressure and move somewhere quiet rather than trying to control every sign of being high.
Constantly checking the time can also make the experience feel longer. Cannabis can change a person’s sense of time, so a few minutes may seem much longer. Focusing on rest and comfort is usually more helpful than watching the clock.
When Severe Anxiety May Require Medical Attention
Most mild cannabis-related anxiety improves with time, rest, and a calm environment. However, some symptoms should not be ignored.
Medical help may be needed if a person has severe chest pain, trouble breathing, faints, has a seizure, becomes extremely confused, or cannot stay awake. Severe agitation or panic that continues to get worse may also require professional help.
A person who has consumed a very large amount of THC, especially through edibles, should be watched closely. Edible cannabis can last much longer than inhaled cannabis because the body processes it differently.
Extra caution is also needed if cannabis was mixed with alcohol, prescription drugs, or other substances. Unknown products may contain ingredients that cause unexpected effects.
If medical care is needed, it is important to give healthcare workers accurate information about what was used, how much was taken, and when it was consumed. This information can help them decide on the safest treatment.
Anxiety and paranoia can happen when THC affects the brain more strongly than expected. High doses, unfamiliar settings, stress, lack of sleep, and strong cannabis products may all increase the chance of feeling nervous or overwhelmed.
How Can You Manage Trouble Focusing, Talking, or Acting Normally?
Cannabis can affect the way a person thinks, speaks, remembers information, and reacts to what is happening around them. These changes may be mild for some people and stronger for others. A person may feel relaxed but notice that it is harder to follow a conversation, remember what was just said, or complete a simple task.
Trying too hard to appear completely normal can sometimes make the situation more stressful. Instead of focusing on hiding the effects, it is usually safer to reduce demands, stay in a comfortable place, and give the effects time to pass.
Common Cognitive Effects of THC
THC is the main compound in cannabis that causes the feeling of being high. It can temporarily change attention, memory, reaction time, and judgment. These effects may make normal activities feel harder than usual.
Short-term memory problems are common. A person may forget what someone said a few seconds ago or lose track of what they were about to do. They might begin a sentence and forget the point they wanted to make. They may also repeat themselves without realizing it.
Concentration can also become more difficult. A person who is high may struggle to follow a long conversation, read detailed information, or complete tasks that involve several steps. Background noise or several people talking at once can make this even harder.
Reaction time may also become slower. It can take longer to understand a question and respond to it. Movements may feel slower as well. These changes are important because they can affect activities such as driving, cooking with hot equipment, using tools, or caring for another person.
Some people also experience changes in their sense of time. A few minutes may feel much longer than they really are. This can make conversations or everyday situations feel unusual or confusing.
Why Forcing Yourself to Appear Completely Normal May Backfire
When people notice that they are having trouble thinking or speaking, they may start worrying about how they look to others. This can lead to overthinking every word or movement.
For example, someone may begin planning each sentence before speaking. Instead of helping, this may make speech slower or less natural. They may pause for a long time because they are trying to choose the “right” words.
Some people may react in the opposite way and begin speaking too quickly. They may talk more than usual because they are nervous. This can make it harder to follow their own thoughts and may increase confusion.
Anxiety can make these problems stronger. A person may start wondering whether everyone around them can tell that they are high. This worry can make normal social situations feel much more stressful.
Trying to control every facial expression, movement, or sentence can also make a person more tense. It may be more helpful to focus on staying calm and safe rather than trying to perform perfectly in front of other people.
Keep Conversations Simple
If talking feels difficult, it may help to keep conversations short and simple. This reduces the amount of information the brain has to process at one time.
There is no need to force a long discussion if concentration is poor. It may be better to listen, speak slowly, and take time before answering. If something is not understood, asking the other person to repeat it can prevent confusion.
A quieter setting may also help. Loud music, television, crowded rooms, or several conversations happening at once can make it harder to focus. Moving to a calmer space can reduce stimulation and make communication easier.
Simple communication is especially useful when anxiety is present. When a person feels overwhelmed, trying to manage a complicated discussion can increase stress.
Reduce Unnecessary Tasks
When thinking feels slower than normal, it is best to avoid tasks that require strong attention or quick decisions. Trying to complete several jobs at once can increase confusion.
For example, this may not be the best time to organize important paperwork, make major purchases, handle financial matters, or solve a complicated work problem. Even if the person feels capable, cannabis can affect judgment and attention in ways that are not always obvious.
Instead, it may be better to focus on basic needs. Sitting somewhere comfortable, drinking water, eating a light snack if needed, and resting can help make the experience easier.
Reducing unnecessary tasks also lowers the risk of mistakes. Activities that can wait until later should usually be delayed until the person feels fully clear and unimpaired.
Rest Somewhere Comfortable
Rest is often one of the simplest ways to manage trouble with focus. Cannabis effects usually become weaker with time, although the length of the high depends on the dose and how the cannabis was used.
A quiet room with comfortable seating can help reduce stimulation. Some people may prefer lying down, while others may feel better sitting upright.
Slow breathing can also help if nervousness is making concentration more difficult. Taking steady breaths may reduce the feeling of being overwhelmed.
If dizziness is present, standing up quickly should be avoided. Moving slowly can reduce the chance of losing balance or falling.
Having a trusted sober person nearby may also be helpful, especially if the person feels anxious or confused. A calm person can provide reassurance and help prevent unsafe decisions.
Avoid Important Decisions Until Sober
Cannabis can affect judgment even when a person feels relaxed or confident. For this reason, major decisions should usually be delayed until the effects have fully passed.
This includes decisions involving money, work, legal matters, relationships, or other important responsibilities. A choice that seems reasonable while high may feel different later.
Sending important emails or messages may also be worth postponing. Cannabis can affect concentration and emotional reactions. Waiting until sober allows a person to review what they want to say more clearly.
The same rule applies to agreements, contracts, or purchases. If the decision does not need to happen immediately, waiting is usually the safer choice.
Avoid Work, Childcare, Machinery, and Other High-Responsibility Activities
Some activities require full attention, fast reactions, and clear judgment. These should not be attempted while impaired.
Driving is one of the most important examples. Cannabis can slow reaction time and affect coordination, attention, and judgment. A person should not drive simply because they think they can appear normal.
Operating machinery or power tools can also be dangerous. Small mistakes may lead to serious injuries.
Childcare is another high-responsibility activity. Caring for a baby or young child may involve quick decisions, carrying the child, preparing food, or responding to emergencies. If possible, a sober adult should handle these responsibilities until the effects of cannabis have passed.
Work tasks may also need to wait, especially if the job involves driving, equipment, healthcare, safety checks, financial decisions, or responsibility for other people.
Feeling less high is not always the same as being fully unimpaired. Giving the body enough time to recover is safer than trying to push through an important responsibility.
Trouble focusing, speaking, remembering information, or behaving as usual can happen after using cannabis. THC may affect short-term memory, reaction time, attention, and judgment. Trying too hard to appear completely normal can increase anxiety and make communication more difficult.
Keeping conversations simple, reducing stimulation, resting, and avoiding unnecessary tasks can make the experience easier to manage. Important decisions should be delayed until the person feels fully clear again.
Can Food, Water, Coffee, or a Shower Make You Sober Faster?
When someone feels too high, it is common to look for a quick way to feel normal again. Drinking water, eating food, having coffee, or taking a shower are often suggested as ways to come down from a cannabis high. These steps may help a person feel more comfortable, but they do not remove THC from the body right away.
THC is the main chemical in cannabis that causes the feeling of being high. Once THC enters the bloodstream, the body needs time to process it. There is no simple food, drink, or activity that can instantly make someone sober. Some methods may reduce certain uncomfortable effects, but they do not fully remove impairment.
Understanding the difference between feeling better and actually being sober is important. A person may feel more awake or relaxed after trying certain methods while still having slower reaction times, weaker judgment, or problems with coordination.
Does Drinking Water Reduce a High?
Drinking water can be helpful when someone is high, especially if they have dry mouth. Cannabis commonly reduces saliva production, which can make the mouth and throat feel dry. Drinking small amounts of water can ease this discomfort and help a person feel refreshed.
Staying hydrated may also be useful if someone has not had enough fluids during the day. Dehydration can cause headaches, dizziness, tiredness, and weakness. These symptoms may make an uncomfortable cannabis experience feel worse.
However, drinking water does not quickly remove THC from the bloodstream. THC is processed mainly by the liver and stored partly in body fat. Drinking extra water does not cause the body to break down THC much faster.
A person should also avoid drinking very large amounts of water in a short period. Too much water can disturb the body’s salt balance and may cause serious health problems. Small, regular amounts are usually enough for comfort.
Water should be viewed as a way to manage thirst and dry mouth rather than as a cure for being high.
Does Eating Help?
Eating may help someone feel more comfortable, especially if cannabis has increased their appetite. A light meal or snack can also help if the person has not eaten for several hours and feels weak, shaky, or nauseated.
Foods that are easy to digest may be more comfortable than very heavy meals. Eating slowly can also be useful because some people may feel dizzy or sick while high.
However, food does not instantly stop the effects of THC. Once THC has entered the bloodstream, eating afterward will not remove it. The body still needs time to process the substance.
The situation can be different with cannabis edibles. Edibles pass through the digestive system before THC reaches the bloodstream. Eating other food may affect how quickly some substances are absorbed, but this does not provide a reliable way to stop an edible high once it has started.
It is also important to remember that edible cannabis can take longer to produce effects. Someone may eat more because they think the first dose did not work. This can lead to much stronger effects later. If an edible has already been consumed, taking more cannabis should be avoided while waiting for the effects to develop.
Does Coffee Make You Sober?
Coffee is another common suggestion for someone who feels high. Caffeine can make a person feel more awake because it stimulates the nervous system. This increased alertness may make someone feel less tired or sluggish.
Feeling more awake, however, does not mean that cannabis impairment has ended. A person may still have slower reaction times, poor concentration, reduced coordination, or changes in judgment even after drinking coffee.
Caffeine may also make some cannabis side effects worse. Both cannabis and caffeine can increase heart rate in some people. Large amounts of caffeine can also cause shaking, restlessness, nervousness, or anxiety.
This can be especially uncomfortable for someone who is already feeling paranoid or anxious after using cannabis. Instead of calming the situation, strong coffee or energy drinks may make the person feel more tense.
For this reason, caffeine should not be treated as a way to become sober. Someone who normally drinks coffee may choose to have a small amount, but drinking large amounts in an attempt to cancel the effects of cannabis is unlikely to work.
Does Taking a Shower Help?
Taking a shower may help someone feel cleaner, cooler, and more refreshed. A warm shower can also provide a quiet environment where the person can relax.
If someone is feeling anxious, changing their surroundings may sometimes help them calm down. The sound and feeling of water may also be soothing for some people.
Still, a shower does not remove THC from the bloodstream. Feeling refreshed after a shower should not be confused with becoming sober.
Very hot showers should also be avoided if someone feels dizzy or lightheaded. Heat can cause blood vessels to widen, which may make dizziness worse. There is also a risk of slipping or falling if coordination has been affected by cannabis.
A person who feels very unsteady should avoid showering alone until their balance improves. Sitting somewhere safe and resting may be a better option.
Cold showers are sometimes suggested as a way to “shock” someone into sobriety. While cold water may briefly increase alertness, it does not reverse cannabis intoxication.
What Actually Helps a Cannabis High Wear Off?
The most reliable factor is time. The body must gradually process THC before its effects fully disappear.
Resting in a calm place can make the experience easier while this happens. Drinking reasonable amounts of water can help with dry mouth and general comfort. A light snack may help with hunger or mild nausea. Reducing noise, bright lights, and stressful situations may also help someone who feels anxious.
It is important not to take more cannabis while waiting for the effects to fade. Alcohol and other substances should also be avoided because combining them with cannabis can increase impairment.
Even if someone begins to feel better, they should not assume they are ready to drive, operate machinery, or perform another activity that requires fast reactions and good judgment. Feeling normal and being fully unimpaired are not always the same thing.
Food, water, coffee, and showers may help manage some uncomfortable parts of a cannabis high, but none of them can instantly make someone sober. Water can ease dry mouth and support hydration, while food may help with hunger, weakness, or mild nausea. Coffee may increase alertness, but it can also increase anxiety or a fast heartbeat. A shower may feel refreshing, but it does not remove THC from the body.
How Can You Come Down From a Cannabis High More Comfortably?
Cannabis can affect each person in a different way. Some people may feel calm and relaxed, while others may feel dizzy, anxious, confused, or uncomfortable. These effects can be stronger after using a high-THC product or taking more cannabis than expected. Edibles can also cause a stronger or longer-lasting high because they may take time to reach their full effect.
There is no proven way to instantly become sober after using cannabis. The body needs time to process THC, which is the main chemical in cannabis that causes the high. However, several simple steps may help make the experience more comfortable while the effects gradually wear off.
Stop Using More Cannabis
The first step is to avoid taking any more cannabis. It can be tempting to assume that another small amount will not make much difference, especially if the full effects have not appeared yet. However, taking more THC can increase the intensity of the high and make it last longer.
This is especially important with cannabis edibles. Edibles may take much longer to start working than smoked or vaped cannabis. A person may think the first dose did not work and take another dose too soon. When both doses begin working, the effects may become much stronger than expected.
If you already feel too high, stop consuming cannabis and give your body time to process what you have already taken. Avoid switching to another cannabis product in an attempt to balance the effects. Adding more THC is unlikely to make an uncomfortable high end faster.
It is also best to avoid alcohol or other recreational substances. Combining substances can make dizziness, nausea, confusion, and poor coordination worse. It may also become harder to tell which substance is causing a certain symptom.
Find a Calm Environment
Your surroundings can strongly affect how you feel while high. Loud music, bright lights, crowded rooms, and unfamiliar people may make anxiety or confusion feel worse. Moving to a quieter and more comfortable place can reduce some of this stress.
Sit or lie down somewhere safe. Lower the lights if they feel too bright. Reduce loud sounds, turn off unnecessary screens, and try to avoid stressful conversations. A familiar room may feel easier to manage than a busy public space.
If you are feeling anxious, remind yourself that cannabis effects are temporary. Concentrating on simple things around you can also help. For example, focus on slow breathing, a familiar object in the room, or the feeling of your feet resting on the floor.
Avoid putting yourself in situations that require fast reactions or complex decisions. Trying too hard to act completely normal may increase stress. Giving yourself permission to rest can make the experience easier to handle.
Hydrate and Eat Something Light
Drinking water can help with some uncomfortable effects of cannabis, especially dry mouth. Take small sips instead of drinking a large amount at once. Water does not remove THC from the body or make the high disappear, but staying hydrated may help you feel more comfortable.
A light snack may also help if you are hungry or slightly nauseous. Simple foods such as toast, crackers, fruit, or a small meal may feel easier to eat than heavy or greasy foods.
Eating food will not instantly make you sober. However, it may improve your general comfort and help you feel more settled.
Avoid drinking large amounts of caffeine in an attempt to become sober faster. Coffee and energy drinks may make you feel more awake, but they do not remove THC from your system. Too much caffeine can also increase a fast heartbeat, nervousness, or anxiety.
Rest and Give Your Body Time
Time is usually the most important factor when waiting for a cannabis high to fade. Your body must process the THC before the effects fully disappear.
If possible, sit quietly or lie down somewhere comfortable. Closing your eyes or sleeping may make the waiting period easier. Do not drive, cook with open flames, operate machinery, or perform other activities that require full attention and coordination.
The amount of time it takes to feel normal again depends on several factors. Smoking or vaping cannabis often causes effects within minutes, and the strongest effects may fade after a few hours. Edibles can last much longer because THC is processed differently when it passes through the digestive system.
Even when the strongest part of the high has passed, some people may continue to feel tired, slow, or less focused. It is safer to wait until you feel fully normal before returning to activities that require good judgment or fast reactions.
Have a Sober Person Nearby
If the high feels overwhelming, being around a trusted sober person may help. A calm person can provide reassurance, bring water, help reduce noise or stimulation, and make sure you remain in a safe place.
Tell them what you used and approximately how much you took if you know. This information may be useful if your symptoms become more serious and medical help is needed.
A sober person can also help prevent unsafe decisions. Someone who is very high may believe they are able to drive, walk somewhere alone, or perform another risky activity even when their coordination or judgment is affected.
Try to stay with someone who remains calm. Panic from other people may increase anxiety. Simple reassurance that the effects are temporary can often make the experience feel more manageable.
Remember That Most Cannabis Effects Improve With Time
An uncomfortable cannabis high can feel frightening, especially when anxiety or paranoia is involved. A few minutes may seem much longer because THC can affect the sense of time.
In many cases, the symptoms gradually become weaker as the body processes the cannabis. Staying calm, resting, and avoiding additional THC can help you manage this period.
However, not every serious symptom should be blamed on cannabis. Seek medical help if there is chest pain, severe trouble breathing, a seizure, loss of consciousness, severe confusion, or another symptom that appears dangerous. Persistent vomiting or extreme agitation may also require medical attention.
If someone has taken cannabis along with an unknown drug or other substance, extra caution is important because the effects may be harder to predict.
There is no reliable trick that can instantly end a cannabis high. The body needs time to process THC. If you feel too high, stop using cannabis and avoid adding alcohol or other substances. Move to a quiet and comfortable place, drink water, eat a light snack if needed, and allow yourself to rest.
Having a trusted sober person nearby may also make the situation safer and less stressful. Most uncomplicated cannabis effects gradually improve with time, but serious symptoms should not be ignored. If breathing problems, chest pain, loss of consciousness, seizures, or severe confusion occur, seek medical care. The main goal is not to force yourself to appear sober but to stay safe and comfortable until the effects have passed.
What Should You Avoid Doing While You Are High?
Being high can change the way you think, react, move, and make decisions. Even if you feel calm or believe you are acting normally, cannabis can still affect attention, coordination, memory, and reaction time. This is why some activities should be avoided until the effects have fully worn off.
The safest choice is to stay in a secure place, rest, and give your body time to process the THC. Trying to push through normal tasks can increase the chance of an accident, poor decision, or uncomfortable experience. This is especially important when the activity involves driving, machinery, alcohol, medications, money, or other people’s safety.
Avoid Driving
Driving while high can be dangerous because cannabis may slow reaction time and affect judgment. A driver may have more trouble noticing sudden changes in traffic, judging distance, staying focused, or reacting quickly to another vehicle.
Cannabis can also affect coordination and attention. A person may feel relaxed and confident while still responding more slowly than usual. This can make it harder to handle unexpected events, such as a car stopping suddenly, a pedestrian crossing the road, or a traffic light changing.
Feeling less high does not always mean that driving ability has returned to normal. The effects may continue after the strongest feeling has faded. This can be especially true after using strong cannabis products or eating edibles, which can last much longer than smoked or vaped cannabis.
If you have used cannabis, avoid driving until you are fully sober and no longer feel impaired. Use a sober driver, public transportation, a taxi, or a rideshare service if you need to travel.
Avoid Riding a Bicycle or Operating Machinery
Driving a car is not the only activity that requires quick reactions and good coordination. Riding a bicycle, using power tools, operating heavy equipment, or working around moving machinery can also be risky while high.
Cannabis may affect balance, depth perception, attention, and motor control. Even a small mistake can lead to a fall, cut, burn, or other injury. Tasks that normally feel simple may become harder when your timing and judgment are affected.
This also applies to household equipment. It is better to avoid using ladders, sharp tools, power saws, lawn equipment, or other devices that could cause injury. Waiting until you are fully sober reduces the risk of accidents.
If you are at work and your job involves machinery, driving, heights, electrical equipment, or other safety-sensitive duties, do not try to work through the effects. Impairment can affect both your safety and the safety of people around you.
Avoid Mixing Cannabis With Alcohol or Other Substances
Mixing cannabis with alcohol can increase impairment. The combination may cause stronger dizziness, nausea, poor balance, slower reaction time, and reduced judgment.
Some people may also feel more anxious, confused, or sleepy when substances are combined. This can make an uncomfortable high feel worse and may increase the chance of falling, vomiting, or making unsafe decisions.
Other drugs can also interact with cannabis in unpredictable ways. Sedating substances may increase drowsiness, while stimulants may raise heart rate or anxiety. Using several substances at the same time also makes it harder to know which substance is causing a certain symptom.
If you already feel too high, taking another substance is not a good way to cancel the effects. It may make the situation harder to manage. The safer approach is to stop using more substances, stay somewhere calm, drink water, and allow time for the effects to decrease.
Avoid Taking Important Medications Without Checking for Interactions
Cannabis can interact with some prescription and over-the-counter medicines. These interactions may increase side effects such as sleepiness, dizziness, confusion, or changes in alertness.
This does not mean you should suddenly stop a medicine that you take regularly. Stopping a prescribed drug without medical advice can also create problems. Instead, follow your normal medical instructions and speak with a doctor or pharmacist if you are unsure whether cannabis can interact with your medication.
Extra care may be needed with medicines that already cause drowsiness or affect the nervous system. Combining these with cannabis may make you feel more tired or less coordinated.
Do not take extra medicine in an attempt to make yourself sober faster unless a healthcare professional has told you to do so. There is no standard medicine that instantly reverses a cannabis high.
Avoid Making Major Decisions
Cannabis can affect short-term memory, judgment, and attention. This can make it harder to think through the results of an important decision.
Avoid making large purchases, signing legal documents, sending sensitive work messages, making major relationship decisions, or handling important financial matters while high. A decision that seems reasonable at the time may feel very different once you are sober.
The same rule applies to serious conversations. Cannabis can affect how you understand tone, remember details, or respond to emotional situations. If possible, delay important discussions until you feel fully clear and focused.
Writing down a thought for later can be useful if something feels important. You can review it when you are sober and decide whether it still makes sense.
Avoid Trying to Defeat Drug or Impairment Testing
Looking sober and actually being sober are not the same thing. Drinking coffee, using eye drops, changing clothes, chewing gum, or taking a shower may change how you feel or look, but these steps do not remove THC from the body.
They also do not guarantee that your coordination, attention, or reaction time has returned to normal.
Trying to hide clear impairment can create additional risks, especially in situations involving driving, workplace safety, or other responsibilities. If you are still affected by cannabis, the safer choice is to avoid safety-sensitive activities until the effects have passed.
Drug tests and impairment checks also work differently. Some tests look for cannabis compounds or their metabolites, while others focus on behavior or signs of impairment. There is no reliable quick method that makes THC immediately disappear from the body.
When you are high, the safest approach is to avoid activities that require fast reactions, clear judgment, or precise coordination. Do not drive, ride a bicycle in risky conditions, operate machinery, or use dangerous tools until you are fully sober. Avoid mixing cannabis with alcohol or other substances because the combination can increase impairment and unpleasant effects.
You should also be careful with medications, major decisions, and important conversations. Cannabis can affect attention, memory, and judgment even when you feel mostly normal. Trying to appear sober does not remove THC or guarantee that impairment has ended.
Give yourself time to recover in a safe setting. Rest, stay hydrated, avoid taking more cannabis, and wait until your thinking and coordination feel completely normal before returning to demanding or safety-sensitive activities.
When Is Being Too High a Medical Concern?
Cannabis affects each person in a different way. In many cases, the effects are uncomfortable but temporary. A person may feel anxious, sleepy, dizzy, confused, or sick to their stomach. These effects often improve as the body processes the THC.
However, there are times when being too high can become a medical concern. This is more likely after taking a very large dose, using a strong edible, combining cannabis with other substances, or using a product with an unknown strength. Some people may also be more sensitive to THC than others.
It is important to know the difference between common cannabis effects and symptoms that may need medical attention. When serious symptoms appear, trying to hide the fact that someone used cannabis can delay needed care. Safety should come first.
Symptoms That May Require Medical Help
Severe confusion can be a warning sign. A person who is very confused may not know where they are, what is happening, or who is around them. Mild forgetfulness can happen with cannabis, but severe confusion that makes it hard to communicate or stay safe should be taken seriously.
Extreme agitation is another concern. Some people can become very anxious or restless after using a large amount of THC. They may pace, panic, shout, or become difficult to calm. In severe cases, they may have frightening thoughts or lose touch with what is happening around them.
Persistent vomiting can also become a problem. Vomiting once may not always be an emergency, but repeated vomiting can cause dehydration. A person may lose fluids and important minerals, especially if they cannot keep water down. Ongoing vomiting can also be linked to cannabinoid hyperemesis syndrome in some frequent cannabis users.
Fainting should not be ignored. Cannabis can sometimes cause dizziness or changes in blood pressure. If a person loses consciousness, falls, or cannot stay awake, medical evaluation may be needed.
Trouble breathing is always a serious symptom. Cannabis itself does not usually cause dangerous breathing problems in most adults, but breathing trouble may point to another medical issue, an allergic reaction, or exposure to another substance. Chest pain should also be treated seriously, especially if it is strong, sudden, or paired with shortness of breath.
Seizure-like activity needs urgent medical attention. This may include uncontrolled shaking, loss of awareness, stiffening of the body, or unusual movements. Cannabis may not always be the direct cause, so it is important to seek medical help rather than assume the symptoms will pass.
Higher-Risk Situations
Children are at greater risk of serious effects from cannabis. Even a small amount of a high-dose edible may cause severe sleepiness, confusion, poor coordination, or other symptoms in a child. Cannabis edibles can look like candy, cookies, or other common foods, which increases the risk of accidental use.
Very high-dose edibles can also cause stronger and longer-lasting effects in adults. Edibles may take much longer to start working than smoked or vaped cannabis. Because of this delay, a person may take more before the first dose has fully taken effect. This can lead to much stronger intoxication than expected.
Combining cannabis with alcohol or other drugs can increase risk as well. Alcohol and cannabis together may cause more dizziness, nausea, poor coordination, and impaired judgment. Other substances can create additional risks depending on how they affect the brain, heart, or breathing.
Unknown or contaminated products are another concern. Products from unregulated sources may contain more THC than expected or may contain other chemicals. If a person has severe symptoms after using an unknown product, it is important to tell healthcare workers what was taken, if that information is available.
What to Do if Someone Is Too High
The first step is to keep the person in a safe place. Have them sit or lie down somewhere quiet. Remove objects that could cause injury if they become dizzy, confused, or unsteady.
Stay with the person if their symptoms are strong. Calm communication can help someone who is anxious or frightened. Speak in a simple and reassuring way. Remind them where they are and that help is available if needed.
Do not encourage them to take more cannabis, alcohol, or other drugs. Adding more substances can make symptoms worse and may make it harder to understand what is causing the reaction.
If the person is awake and able to swallow normally, small amounts of water may help with dry mouth and mild dehydration. However, do not force food or drinks on someone who is very sleepy, vomiting heavily, or having trouble staying awake.
If serious symptoms appear, contact emergency medical services or a poison information service. This is especially important if the person has trouble breathing, has chest pain, experiences seizure-like activity, loses consciousness, cannot be awakened, or has severe confusion.
Why Accurate Information Matters
Healthcare professionals can provide better care when they know what a person has taken. Hiding cannabis use from medical workers can make it harder for them to understand the symptoms and choose the right treatment.
If possible, provide details about the type of cannabis product, how much was used, when it was taken, and whether alcohol or other substances were involved. If the product package is available, it may also help medical staff understand the THC strength and ingredients.
Medical workers are focused on treating the person and keeping them safe. Giving clear information can help them respond faster and rule out other possible causes of the symptoms.
Most cannabis effects improve with time, rest, and a calm setting. Still, severe confusion, repeated vomiting, fainting, trouble breathing, chest pain, seizure-like activity, or an inability to stay awake can be signs that medical help is needed.
Children, people who consume very strong edibles, and those who mix cannabis with alcohol or other substances may face greater risks. Unknown or contaminated products can also cause unexpected reactions.
When symptoms become severe, the goal should not be to hide being high. The goal should be to protect the person from harm. Staying with them, keeping the area safe, and giving healthcare professionals accurate information can help prevent a serious situation from becoming worse.
Conclusion: Managing a High Safely
Being high from cannabis can affect the body and mind in many different ways. Some people may have red eyes, dry mouth, slower movement, or trouble paying attention. Others may feel very relaxed, laugh more than usual, become quiet, or have trouble following a conversation. In some cases, cannabis can also cause anxiety, fear, confusion, or a strong feeling that something is wrong. These effects can be mild for one person and much stronger for another.
Many people who feel too high want to know how to hide it or make the effects go away faster. However, there is no quick way to remove THC from the body once it has been absorbed. Drinking water, eating food, taking a shower, or drinking coffee may help a person feel more comfortable, but these steps do not make someone sober right away. The body still needs time to process THC.
For most people, the best approach is to stop using more cannabis and move to a safe and calm place. Sitting or lying down can help reduce the risk of falling or getting hurt. Drinking water can help with dry mouth and may improve general comfort. A light snack may help if the person feels hungry, weak, or slightly nauseous. Rest can also make the experience easier while the effects slowly become weaker.
A quiet setting may be especially helpful for someone who feels anxious or paranoid. Loud music, crowds, bright lights, and stressful conversations can make uncomfortable feelings seem stronger. Moving to a familiar room and reducing noise may help the person feel more in control. Slow breathing can also help with nervousness. Taking slow breaths in and out may reduce the feeling of panic.
If possible, staying with a trusted sober person can also help. A sober person can provide reassurance and watch for signs that the situation is becoming more serious. They can also prevent the affected person from driving, wandering into an unsafe area, or making choices they may later regret.
It is important to remember that feeling more normal does not always mean that all impairment is gone. Cannabis can affect reaction time, attention, coordination, memory, and judgment even when the strongest part of the high has passed. For this reason, driving should be avoided while a person is still feeling the effects of cannabis. The same rule applies to riding a bicycle in traffic, operating machinery, using dangerous tools, or doing other activities where slow reactions could cause an injury.
Important work or personal decisions should also be delayed when possible. Cannabis may make it harder to judge risks, remember details, or think through a situation clearly. Waiting until the effects have fully worn off can help reduce mistakes.
How long a cannabis high lasts depends on several factors. Smoking or vaping cannabis often causes effects quickly, and those effects may begin to fade within a few hours. Edibles can be different. They may take much longer to start working, and the effects may continue for several hours. Taking more cannabis because an edible seems slow to work can lead to a much stronger high later.
The amount of THC also matters. Products with a high THC level may cause stronger or longer-lasting effects. A person’s tolerance, body chemistry, food intake, and experience with cannabis may also affect how they respond. Because of these differences, there is no exact time when every person will feel completely sober.
Most uncomplicated cannabis highs improve with rest and time. However, some symptoms should not be ignored. Severe confusion, chest pain, trouble breathing, fainting, seizures, repeated vomiting, or extreme agitation may require medical attention. A person who cannot stay awake or respond normally may also need urgent help.
Extra care is needed when a child accidentally consumes cannabis or when someone uses a very large amount of an edible. Mixing cannabis with alcohol, prescription drugs, or other substances can also increase the risk of harmful effects. In these situations, getting medical advice may be the safest choice.
If medical care is needed, it is important to be clear about what was taken. Healthcare workers can give better care when they know the type of product, the amount used, when it was taken, and whether other substances were involved.
The main goal when someone is too high should be safety, not simply trying to look sober. Red eyes, dry mouth, nervous behavior, or tiredness may be uncomfortable or noticeable, but hiding these signs does not remove the effects of THC. Resting, drinking water, staying in a calm place, and waiting for the effects to pass are usually more useful than trying to force yourself to act normal.
Cannabis affects everyone differently, so paying attention to how the body feels is important. Avoid driving and other risky activities until you are fully unimpaired. If symptoms become severe or unusual, seek medical help. In most mild cases, staying calm, reducing stimulation, and giving the body enough time are the safest ways to manage an uncomfortable high.
Research Citation
Asbridge, M., Hayden, J. A., & Cartwright, J. L. (2012). Acute cannabis consumption and motor vehicle collision risk: Systematic review of observational studies and meta-analysis. BMJ, 344, e536. https://doi.org/10.1136/bmj.e536 BMJ
Bondallaz, P., Favrat, B., Chtioui, H., Fornari, E., Maeder, P., & Giroud, C. (2016). Cannabis and its effects on driving skills. Forensic Science International, 268, 92–102. https://doi.org/10.1016/j.forsciint.2016.09.007 PubMed
Bosker, W. M., Theunissen, E. L., Conen, S., Kuypers, K. P. C., Jeffery, W. K., Walls, H. C., Kauert, G. F., Toennes, S. W., Moeller, M. R., & Ramaekers, J. G. (2012). A placebo-controlled study to assess Standardized Field Sobriety Tests performance during alcohol and cannabis intoxication in heavy cannabis users and accuracy of point of collection testing devices for detecting THC in oral fluid. Psychopharmacology, 223(4), 439–446. https://doi.org/10.1007/s00213-012-2732-y PubMed
Broyd, S. J., van Hell, H. H., Beale, C., Yücel, M., & Solowij, N. (2016). Acute and chronic effects of cannabinoids on human cognition: A systematic review. Biological Psychiatry, 79(7), 557–567. https://doi.org/10.1016/j.biopsych.2015.12.002 PubMed
Burt, T. S., Brown, T. L., Milavetz, G., & McGehee, D. V. (2021). Mechanisms of cannabis impairment: Implications for modeling driving performance. Forensic Science International, 328, 110902. https://doi.org/10.1016/j.forsciint.2021.110902 PubMed
Hartman, R. L., & Huestis, M. A. (2013). Cannabis effects on driving skills. Clinical Chemistry, 59(3), 478–492. https://doi.org/10.1373/clinchem.2012.194381 PubMed
Kroon, E., Kuhns, L., & Cousijn, J. (2021). The short-term and long-term effects of cannabis on cognition: Recent advances in the field. Current Opinion in Psychology, 38, 49–55. https://doi.org/10.1016/j.copsyc.2020.07.005 ScienceDirect
McCartney, D., Arkell, T. R., Irwin, C., & McGregor, I. S. (2021). Determining the magnitude and duration of acute Δ9-tetrahydrocannabinol (Δ9-THC)-induced driving and cognitive impairment: A systematic and meta-analytic review. Neuroscience & Biobehavioral Reviews, 126, 175–193. https://doi.org/10.1016/j.neubiorev.2021.01.003 ScienceDirect
McCartney, D., Suraev, A., & McGregor, I. S. (2023). The “next day” effects of cannabis use: A systematic review. Cannabis and Cannabinoid Research, 8(1), 92–114. https://doi.org/10.1089/can.2022.0185 PubMed
Ramaekers, J. G., Moeller, M. R., van Ruitenbeek, P., Theunissen, E. L., Schneider, E., & Kauert, G. (2006). Cognition and motor control as a function of Δ9-THC concentration in serum and oral fluid: Limits of impairment. Drug and Alcohol Dependence, 85(2), 114–122. https://doi.org/10.1016/j.drugalcdep.2006.03.015 PubMed
Questions and Answers
Q1: Why do people look high after using cannabis?
Common signs include red eyes, dry mouth, slowed reactions, changes in speech, poor coordination, unusual laughter, increased appetite, and trouble focusing. These effects usually fade as the body processes THC.
Q2: Can you completely hide being high?
There is no reliable way to completely hide cannabis intoxication. Trying to appear sober does not restore judgment, coordination, reaction time, or driving ability.
Q3: What can help if my eyes are red after using cannabis?
Resting, staying hydrated, and giving the effects time to wear off may help. Red eyes are caused partly by changes in blood vessels and usually improve as the effects fade.
Q4: How can I manage dry mouth when I am high?
Sip water regularly and consider sugar-free gum or lozenges. Avoid excessive caffeine or alcohol because they may make dehydration or discomfort worse.
Q5: What should I do if I feel too high?
Move to a calm and familiar place, sit or lie down, drink some water, and remind yourself that the effects are temporary. Avoid taking more cannabis or mixing it with alcohol or other drugs.
Q6: How long does being high usually last?
The duration depends on the product, dose, THC strength, and method of use. Inhaled cannabis may produce noticeable effects for several hours, while edible cannabis can last much longer.
Q7: Does eating food make a cannabis high go away faster?
Food does not instantly remove THC from the body. A light meal may help someone feel more comfortable, but time is the main factor that reduces intoxication.
Q8: Can coffee make someone sober after using cannabis?
Coffee may make a person feel more awake, but it does not reverse cannabis intoxication or restore normal reaction time and judgment.
Q9: Is it safe to drive if I can act normal while high?
No. A person can still have slower reaction times, reduced attention, and impaired judgment even if they believe they appear normal. Wait until the effects have fully worn off before driving or operating machinery.
Q10: When should someone get medical help after using cannabis?
Seek medical help if there is severe confusion, chest pain, trouble breathing, repeated vomiting, fainting, seizures, extreme agitation, or difficulty waking the person. If symptoms feel frightening but are not severe, staying in a safe place with a trusted sober person can help.
