Medical Dictionary

caffeinism

noun caf·fein·ism \ -ˌiz-əm \

medical Definition of caffeinism

: an abnormal condition caused by the consumption of large amounts of caffeine and marked by restlessness, nervousness, irritability, insomnia, diuresis, tremors, and tachycardia
  • In general, more than 1.5 grams of caffeine a day can cause the typical symptoms of caffeinism: anxiety, insomnia, irritability and palpitations.
  • —Richard A. FriedmanThe New York Times6 Apr. 2004
  • I ran in to find her pale, in a cold sweat, with her heart racing. She had had four cups of coffee in two hours and was suffering from caffeinism.
  • People Weekly10 Sept. 1984

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