Hallucinogen Intoxication

A. Recent use of a hallucinogen. 

B. Clinically significant maladaptive behavioral or psychological changes (e.g., marked anxiety or depression, ideas of reference, fear of losing one's mind,paranoid ideation, impaired judgment, or impaired social or occupational functioning) that developed during, or shortly after, hallucinogen use. 

C. Perceptual changes occurring in a state of full wakefulness and alertness (e.g., subjective intensification of perceptions, depersonalization, derealization,illusions, hallucinations, synesthesias) that developed during, or shortly after, hallucinogen use. 

D. Two (or more) of the following signs, developing during, or shortly after, hallucinogen use: 

(1) pupillary dilation 
(2) tachycardia 
(3) sweating 
(4) palpitations 
(5) blurring of vision 
(6) tremors 
(7) incoordination 

E. The symptoms are not due to a general medical condition and are not better accounted for by another mental disorder.

Reprinted with permission from the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision. Copyright 2000 American Psychiatric Association