Cannabis depersonalization is a feeling of detachment from yourself that can occur after using marijuana, while derealization makes the surrounding world feel unreal, distant, or dreamlike. Teenagers experiencing these symptoms may feel disconnected from their bodies, emotions, thoughts, or surroundings, even when they understand that something about their perception feels unusual.
These experiences can occur during cannabis intoxication, particularly after exposure to THC, the primary intoxicating compound in cannabis. Many acute symptoms improve as the effects of cannabis wear off, but some people experience persistent or recurring symptoms that need professional evaluation. Clinical reports have documented prolonged depersonalization in adolescents following cannabis use, although these reports do not establish how commonly this occurs.[1][2]
Feeling unreal after weed can be frightening, especially for a teenager who has never experienced it before. Understanding the symptoms, recognizing when medical help is needed, and avoiding further cannabis use while symptoms are active are important steps toward safety.
What Is Cannabis Depersonalization?
Cannabis depersonalization is a sense of being detached from yourself after using cannabis. A person may feel as though they are observing their own actions from outside their body, watching their life like a movie, or experiencing their thoughts and emotions as unfamiliar.
Depersonalization is different from simply feeling high, tired, or distracted. It involves a disturbing sense of disconnection from one’s usual experience of self.
For example, a teenager might recognize their reflection in a mirror but feel as though the person looking back does not seem familiar. They may know they are speaking or moving but feel disconnected from those actions.
What Is Derealization?
Derealization is a related experience in which the external world feels unreal or unfamiliar. A teenager may describe their surroundings as dreamlike, artificial, distant, flat, or strangely unfamiliar.
Everyday activities can feel unusual. Familiar rooms may seem different, conversations may feel distant, and time may seem to move unusually slowly or quickly.
Depersonalization and derealization often occur together. Both are forms of dissociative experiences, which involve a disruption in the usual sense of connection to oneself or the surrounding environment.[3]
An important distinction is that people experiencing depersonalization or derealization often recognize that the feeling is unusual, even though it seems convincing. However, symptoms can overlap with other conditions, so this distinction alone cannot establish a diagnosis.
Can Weed Make Everything Feel Unreal?
Yes. Cannabis can trigger depersonalization and derealization in some people. THC affects brain systems involved in perception, attention, memory, and emotion, and its effects can include disorientation, anxiety, paranoia, and changes in the perception of time or surroundings.[3][4][7]
Research and clinical reports support a connection between cannabis exposure and depersonalization. A published case series described six patients who developed persistent depersonalization disorder during adolescence after cannabis use. Some experienced substantial disruption to their daily functioning.[1]
However, these findings should be interpreted carefully. A small case series cannot show how frequently the symptoms occur or prove that cannabis is the only factor involved in every case.
Why Can THC Trigger These Feelings?
Several factors may contribute to an episode:
- THC exposure: THC can alter perception and emotional processing, sometimes producing disorientation or a sense of detachment.
- Anxiety or panic: Intense fear during intoxication may make a teenager more aware of unusual sensations and increase distress about them.
- Cannabis potency and amount: Higher THC exposure may increase the likelihood of unpleasant psychological effects.
- Individual vulnerability: Previous anxiety, panic symptoms, or other mental health concerns may influence how a person responds to cannabis.
- Sleep loss and stress: These can worsen emotional distress and make it harder to cope with unusual perceptions.
These factors do not mean that every teenager who uses cannabis will experience depersonalization. They also do not allow anyone to predict with certainty who will develop persistent symptoms.
What Does Depersonalization After Weed Feel Like?
The experience varies from person to person. Some teenagers mainly notice changes in their sense of self, while others feel that their surroundings have become unfamiliar.
| Symptom | How a teenager might describe it |
|---|---|
| Feeling detached from the body | “It feels like I am watching myself from outside.” |
| Emotional numbness | “I know I should feel something, but everything feels distant.” |
| Dreamlike surroundings | “Everything looks like a dream or a movie.” |
| Unfamiliar surroundings | “My room looks normal, but it does not feel real.” |
| Altered time perception | “A few minutes feel much longer than usual.” |
| Anxiety or panic | “I am scared that I will never feel normal again.” |
| Difficulty concentrating | “I cannot focus because everything feels strange.” |
How Long Does Cannabis Depersonalization Last?
There is no single timeline for cannabis depersonalization. Symptoms that occur during intoxication may improve as the effects of cannabis wear off. However, persistent or recurring symptoms have also been documented after cannabis use.[1][2]
The duration depends on several factors, including the amount and potency of THC, the product used, individual sensitivity, other substances taken, and whether another medical or mental health condition is contributing.
It is important not to assume that symptoms will disappear within a specific number of hours or days. Research on persistent cannabis-associated depersonalization is limited, and published case reports cannot predict the course for an individual teenager.
A teenager should receive professional evaluation if feelings of unreality persist after intoxication, return repeatedly, worsen, or interfere with school, sleep, relationships, or everyday activities. Severe symptoms should not be ignored while waiting for them to pass.
Is Cannabis Depersonalization the Same as Psychosis?
No. Depersonalization and derealization are not the same as psychosis, although some symptoms can overlap and a professional assessment may be needed to distinguish them.
With depersonalization or derealization, a person often recognizes that the feeling of unreality is a change in their experience rather than proof that the world has actually changed.
Psychosis can involve losing contact with reality, including hallucinations, fixed false beliefs, or severe difficulty distinguishing what is real from what is not. Cannabis can also be associated with psychotic symptoms, including paranoia and hallucinations, particularly in vulnerable individuals.[4]
The distinction is important, but parents should not try to diagnose the condition based on a teenager’s description alone.
When Is Immediate Medical Help Necessary?
Seek emergency medical care if a teenager experiences:
- Severe confusion or inability to recognize what is happening around them [7][8]
- Hallucinations, extreme paranoia, or behavior that makes them unsafe [7]
- Thoughts of suicide, self-harm, or harming another person [9]
- Loss of consciousness, a seizure, or difficulty breathing [8]
- Severe agitation or an inability to remain safe [7]
Stay with the teenager if it is safe to do so, reduce stimulation, and do not allow them to drive or use more substances. If there is an immediate risk of harm, contact emergency services.
What Should a Teen Do If Everything Feels Unreal After Weed?
If feelings of unreality begin after cannabis use, the immediate priorities are safety, reducing further exposure, and seeking help when needed.
- Do not use more cannabis. Avoid additional THC while symptoms are active. Other intoxicating substances may make the situation harder to assess.
- Move to a calm, safe environment. Reduce noise, bright lights, and other sources of stimulation if they increase distress.
- Stay with a trusted person. A supportive adult can help monitor symptoms and arrange medical care if the teenager becomes more confused or distressed.
- Try a simple grounding exercise if it feels comfortable. Name objects in the room, notice the feet touching the floor, or describe a few things that can be seen and heard. These techniques may help some people focus on their immediate surroundings, but they are not a substitute for medical evaluation.
- Protect sleep and basic needs. Rest, regular meals, and hydration can support general well-being while the effects wear off.
- Seek professional guidance. Contact a healthcare professional if symptoms persist, recur, become distressing, or interfere with daily life.
If the teenager has used an unknown product, taken other substances, or developed severe symptoms, medical assessment is particularly important. Be honest with healthcare professionals about what may have been used and when; this information helps them assess possible causes and provide appropriate care.
Can Cannabis Depersonalization Become Long-Lasting?
Persistent depersonalization after cannabis use has been described in medical literature, including reports involving adolescents. However, the available evidence is limited, and it does not mean that every episode will become a long-term condition.[1][2][6]
When symptoms continue, clinicians need to assess whether they are related to cannabis intoxication, another substance, anxiety, trauma, depression, a dissociative disorder, or another medical or psychiatric condition.
The term depersonalization-derealization disorder refers to a clinical condition involving persistent or recurrent depersonalization or derealization that causes significant distress or impairment. A temporary feeling of unreality after using cannabis does not, by itself, establish this diagnosis.
A qualified clinician can assess the timing of symptoms, substance-use history, mental health, sleep, and other possible causes. Early evaluation is appropriate when symptoms continue or significantly affect a teenager’s functioning.
How Can Parents Help a Teen Experiencing Depersonalization?
Parents may feel alarmed when a teenager says they do not feel real or that their surroundings seem like a dream. A calm, nonjudgmental response can make it easier for the teen to describe what is happening and accept help.
Parents can:
- Listen without dismissing the experience or immediately blaming the teenager.
- Ask when the symptoms began, whether cannabis or another substance was used, and whether symptoms are improving or worsening.
- Watch for changes in sleep, school performance, mood, relationships, or everyday functioning.
- Arrange an evaluation with a pediatrician or qualified mental health professional if symptoms persist or recur.
- Seek emergency help if the teenager is severely confused, experiencing psychotic symptoms, expressing suicidal thoughts, or unable to stay safe.
A single episode does not automatically mean a teenager has a substance use disorder or a chronic psychiatric condition. However, repeated cannabis use, difficulty stopping, using cannabis to manage emotional distress, or continued use despite negative consequences may warrant an assessment for problematic substance use.
How Clearfork Academy Can Help Teens With Cannabis and Mental Health Concerns
When a teenager experiences distressing psychological symptoms after cannabis use, professional support can help assess both substance use and possible co-occurring mental health concerns.
Clearfork Academy provides substance use and mental health treatment for adolescents ages 13–17, including teens with co-occurring behavioral or mental health concerns. Treatment options include residential treatment, Partial Hospitalization Programs (PHP), Intensive Outpatient Programs (IOP), and Virtual IOP. The appropriate level of care depends on an individual clinical assessment.
Treatment may include individual, group, and family therapy, with approaches such as Cognitive Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT). A treatment plan can address substance use, emotional regulation, anxiety, coping skills, and family concerns as clinically appropriate.
Families can contact Clearfork Academy to discuss assessment and treatment options. Insurance coverage and out-of-pocket costs depend on the individual plan, benefits, and recommended level of care, so coverage should be verified directly.
A teenager who feels unreal after using cannabis does not need to manage the experience alone. Persistent, recurring, or severe symptoms deserve professional attention, and timely support can help clarify what is happening and what care may be appropriate.
Frequently Asked Questions
- Can weed cause depersonalization in teens?
Yes. Cannabis can trigger depersonalization in some people, including adolescents. Clinical reports describe persistent cases following cannabis use, although the available evidence does not establish how often this happens.[1]
- Why do I feel unreal after smoking weed?
THC can alter perception, attention, and emotional processing. In some people, these effects may include feeling detached from themselves or experiencing their surroundings as dreamlike. Anxiety or panic during intoxication may add to the distress.[3][4]
- What is the difference between depersonalization and derealization?
Depersonalization is a feeling of detachment from oneself, thoughts, emotions, or body. Derealization is a feeling that the outside world is unreal, distant, or dreamlike. They can occur together.[3]
- How long does derealization after weed last?
There is no reliable timeline that applies to everyone. Symptoms during intoxication may improve as the effects wear off, but persistent or recurring symptoms have been reported. Symptoms that continue, worsen, or disrupt daily life should be assessed by a healthcare professional.[1][2]
- Does feeling unreal after weed mean psychosis?
Not necessarily. Depersonalization and derealization often involve awareness that the experience feels unusual. Psychosis may involve hallucinations, delusions, or difficulty distinguishing reality. Because symptoms can overlap, severe confusion, hallucinations, or unsafe behavior requires prompt medical evaluation.[4]
- Can cannabis depersonalization become permanent?
Persistent symptoms have been described in case reports, but current evidence cannot predict whether an individual teenager’s symptoms will continue long term. Persistent or recurring symptoms should be evaluated rather than assumed to be permanent.
- What should parents do if their teen feels disconnected after using cannabis?
Parents should respond calmly, help the teen remain in a safe environment, and arrange medical or mental health evaluation if symptoms persist or recur. Severe confusion, hallucinations, suicidal thoughts, or an immediate safety risk requires emergency assistance.
- Can therapy help with persistent depersonalization?
A clinician can assess the symptoms and recommend care based on the underlying cause. Psychotherapy may be part of treatment, particularly when anxiety, distress, or substance-use concerns are also present. Treatment should be individualized rather than based on an assumed diagnosis.
Medical Disclaimer: This article is for educational purposes only and does not replace professional medical advice, diagnosis, or treatment. Cannabis-related feelings of unreality can have several causes. Persistent, severe, or recurring symptoms should be evaluated by a qualified healthcare professional. Seek emergency care if a teenager is severely confused, experiencing hallucinations with unsafe behavior, expressing thoughts of self-harm, or otherwise unable to remain safe.
References
- Hürlimann F, Kupferschmid S, Simon AE. Cannabis-induced depersonalization disorder in adolescence. Neuropsychobiology. 2012;65(3):141–146. PubMed
- Szymanski HV. Prolonged depersonalization after marijuana use. The American Journal of Psychiatry. 1981;138(2):231–233. PubMed
- Sierra M, David AS. Depersonalisation and derealisation: assessment and management. BMJ. 2017;356. BMJ
- Centers for Disease Control and Prevention. Cannabis and Mental Health. CDC
- Centers for Disease Control and Prevention. Cannabis and Teens. CDC
- Madden SP, Einhorn PM. Cannabis-Induced Depersonalization-Derealization Disorder. American Journal of Psychiatry Residents’ Journal. 2018;13(2). American Psychiatric Association Publishing
- Centers for Disease Control and Prevention. Cannabis Frequently Asked Questions. https://www.cdc.gov/cannabis/faq/
- Centers for Disease Control and Prevention. Cannabis and Poisoning. https://www.cdc.gov/cannabis/health-effects/poisoning.html
- National Institute of Mental Health. Frequently Asked Questions About Suicide. https://www.nimh.nih.gov/health/publications/suicide-faq
Shelby Hartman is a Licensed Master Social Worker with specialized training in EMDR (Eye Movement Desensitization and Reprocessing). She brings over a decade of experience in behavioral health, beginning her career as a Behavioral Health Technician at John Peter Smith Hospital’s Psychiatric Emergency Center, where she served for nine years supporting individuals in acute crisis.
She has also contributed to the community through volunteer work with Safe Haven in the Dallas–Fort Worth area, supporting survivors of domestic violence. She earned her Master of Social Work degree from Chamberlain University and went on to work as an inpatient program therapist for over two years, providing intensive therapeutic care to adolescents. Currently serving at Clearfork Academy, Shelby continues her work with teens navigating mental health challenges and substance use.
