caffeine intoxication
in DSM–IV–TR and DSM–5, intoxication due to recent consumption of large amounts of caffeine (typically over 250 mg), in the form of coffee, tea, cola, or medications, and involving at least five of the following symptoms: restlessness, nervousness, excitement, insomnia, flushed face, diuresis (increased urination), gastrointestinal complaints, muscle twitching, rambling thought and speech, rapid or irregular heart rhythm, periods of inexhaustibility, or psychomotor agitation. Also called caffeinism.