A hallucinogen in certain types of mushrooms that grow in parts of South America, Mexico, and the United States.i
Common Commercial NamesStreet NamesCommon FormsCommon Ways TakenDEA Schedule / Legal Status
No commercial usesLittle Smoke, Magic Mushrooms, Purple Passion, ShroomsFresh or dried mushrooms with long, slender stems topped by caps with dark gillsIngested (eaten, brewed as tea, or added to other foods)Schedule I / Illegal
Uses & Possible Health Effectsii
Short-term Symptoms of UseHallucinations, altered perception of time, inability to tell fantasy from reality, panic, muscle relaxation or weakness, loss of coordination, enlarged pupils, nausea, vomiting, and drowsiness.
Long-term Consequences of Use and Health EffectsRisk of flashbacks, psychosis, and memory problems.
Other Health-related IssuesRisk of poisoning if a poisonous mushroom is accidentally used.
In Combination with AlcoholMay decrease the perceived effects of alcohol.
Withdrawal SymptomsUnknown.
Treatment Optionsiii
MedicationsIt is not known whether psilocybin is addictive. There are no FDA-approved medications to treat addiction to psilocybin or other hallucinogens.
Behavioral TherapiesMore research is needed to determine if psilocybin is addictive and whether behavioral therapies can be used to treat addiction to this or other hallucinogens.
Statistics as of 2014iv
PrevalenceLifetime: 22.8 million persons (8.5%) aged 12 or older have used psilocybin in their lifetime.
Past Year: Data not collected.
Average Age of InitiationHallucinogens in general: 19.6

Source: NIDA, (2016).


Sources: NIDA, (2016) & DEA, (2015).


Source: NIDA, (2016).


Source: CBHSQ, (2016).


Cover of Facing Addiction in America
Facing Addiction in America: The Surgeon General's Report on Alcohol, Drugs, and Health [Internet].
Substance Abuse and Mental Health Services Administration (US); Office of the Surgeon General (US).
Washington (DC): US Department of Health and Human Services; 2016 Nov.

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