Phencyclidine Intoxication

A. Recent use of phencyclidine (or a related substance). 

B. Clinically significant maladaptive behavioral changes (e.g., belligerence, assaultiveness, impulsiveness, unpredictability, psychomotor agitation, impaired judgment, or impaired social or occupational functioning) that developed during, or shortly after, phencyclidine use. 

C. Within an hour (less when smoked, "snorted," or used intravenously), two (or more) of the following signs: 

(1) vertical or horizontal nystagmus 
(2) hypertension or tachycardia 
(3) numbness or diminished responsiveness to pain 
(4) ataxia 
(5) dysarthria 
(6) muscle rigidity 
(7) seizures or coma 
(8) hyperacusis 

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

Specify if: 
With Perceptual Disturbances

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