National Institute on Drug Abuse. Updated April Bey T, Patel A. Phencyclidine intoxication and adverse effects: A clinical and pharmacological review of an illicit drug. Cal J Emerg Med. Hallucinogens and Dissociative Drugs Research Report. Updated February Partnership for Drug-Free Kids. PCP Phencyclidine. Phencyclidine overdose. Updated June 2, American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. Washington, DC; Your Privacy Rights.
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Addiction and Withdrawal. How to Get Help. Phencyclidine Use Disorder Symptoms and Dangers. Was this page helpful? Thanks for your feedback! Sign Up. What are your concerns? Verywell Mind uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. A drug that has been around for years even decades. Such drugs as:. Both hallucinogens and dissociative drugs can cause hallucinations or sensations and images that seem real though they are not.
But, dissociative drugs, such as PCP, can cause users to feel out of control or disconnected from their body and environment, which can make them dangerous to the user and to those around them. According to the National Institute on Drug Abuse NIH , PCP Phencyclidine was developed in the s as a general anesthetic for surgery, but it is no longer used for this purpose due to the serious side effects. PCP can be found in a variety of forms, including tablets or capsules; however, liquid and white crystal powder are the most common.
After the word got around town that PCP had some serious side effects and psychotic reactions production of it stopped and was only made illegally after the s. It is still made but nearly all PCP production is illegal and there is no standard for purity or dosage. As a result, there is no way to know how much is being taken, making its use particularly dangerous. When a person uses PCP, whether by smoking, injected, drank or eaten, they expect to feel a pleasant high and hallucinate.
At first, the individual might feel happy, and how they see their surroundings may not be extreme hallucinations but there are changes to light, color, sound, and touch. The individual may lose the sense of time, either slowing down or speeding up, or they can feel out of or above their bodies. Any effects of PCP begin within minutes after it has been ingested orally, or a few minutes if smoked or injected.
PCP affects the user's memory, ability to process emotion, and learning ability. At lower doses, the effects of PCP can be similar to alcohol intoxication. PCP can make users feel detached from their bodies and their surroundings. It can also distort a user's perceptions of sight, sound, and reality — the drug is known for giving users a false sense of strength, power, and invincibility.
Higher doses of PCP can cause hallucinations and symptoms similar to the effects of mental illnesses like schizophrenia. These include anxiety, delusions, paranoia, trouble forming coherent thoughts, suicidal thoughts, and bizarre behavior. PCP users can get violent. Depending on the dose and way the PCP was taken injected, smoked, or swallowed , the drug's effects can be felt in 2—5 minutes and last anywhere from 6—24 hours. PCP is addictive.
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