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Hallucinogens and Dissociatives 

Hallucinogens and Dissociatives
Chapter:
Hallucinogens and Dissociatives
Author(s):

Darius A. Rastegar

and Michael I. Fingerhood

DOI:
10.1093/med/9780190214647.003.0009
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date: 09 April 2020

Hallucinogens, also known as psychedelics, are a broad range of agents that alter perception in different ways. These include phenylethylamines (e.g., ecstasy), ergot alkaloids (e.g., lysergic acid diethylamide, or LSD), tryptamines (e.g., psilocybin), anticholinergics (e.g., jimsonweed), and terpenoids (e.g., salvinorin). Dissociative anesthetics—including phencyclidine (PCP) and ketamine—are a related class of drugs that share many characteristics. Hallucinogen use is highest among young adults; MDMA is the most commonly used agent, followed by LSD and PCP. There appear to be few serious lasting complications associated with hallucinogen use. There are few data on treatment of individuals who use hallucinogens or dissociatives.

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