Psychotherapy High Wycombe Psychotherapy High Wycombe - Last updated 07 January 2026

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DSM-IV and DSM-IV-TR:

Hallucinogen Intoxication

Dysfunctional changes in physiological functioning, psychological functioning, mood state, cognitive process, or all of these, as a consequence of consumption of a [hallucinogen]; usually disruptive, and often stemming from central nervous system impairment.*

Diagnostic criteria for 292.89 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.

Based on the Diagnostic & Statistical Manual of Mental Disorders, 4th edition APA

Associated with these drugs: alcohol (drunk, tipsy), amphetamine-like (amped, speeding), caffeine (wired), cannabis (stoned), cocaine (coked up), hallucinogens (tripping), inhalants, opioids, phencyclidine, sedatives, hypnotics

Also: high, intoxicated, tight

The online Diagnostic & Statistical Manual of Mental Disorders lists most of the major psychological disorders and illnesses and lists the criteria that must be fulfilled in order for a diagnosis to be made. This resource is not a substitute for proper professional psychiatric diagnosis.