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

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DSM-IV: Caffeine Intoxication

Consumption of excessive amounts of caffeine can cause uncomfortable symptoms of stimulation.

Diagnostic criteria for 305.90 Caffeine Intoxication

A. Recent consumption of caffeine, usually in excess of 250 mg (e.g. more than 2-3 cups of brewed coffee).

B. Five (or more) of the following signs, developing during, or shortly after, caffeine use:

(1) restlessness
(2) nervousness
(3) excitement
(4) Insomnia
(5) flushed face
(6) diuresis
(7) gastrointestinal disturbance
(8) muscle twitching
(9) rambling flow of thought and speech
(10) tachycardia or cardiac arrhythmia
(11) periods of inexhaustibility
(12) psychomotor agitation

C. The symptoms in Criterion B cause clinically significant distress or impairment in social, occupational, or other important areas of functioning.

D. The symptoms are not due to a general medical condition and are not better accounted for by another mental disorder (e.g. an Anxiety Disorder).

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

Also: wired

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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.