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PEDIATRICS Vol. 101 No. 6 June 1998, p. e4

ELECTRONIC ARTICLE:
Childhood Caffeine Tic Syndrome

Received Oct 20, 1997; accepted Feb 9, 1998.

Richard E. Davis

Ivan Osorio

University of Kansas Medical Center Comprehensive Epilepsy Center Kansas City, KS 66160

Objective.  To determine whether caffeine ingestion was temporally correlated with tics in 2 healthy children.

Methods.  Two first-degree cousins were observed over a period of ~3 years, and the presence and absence of tics was recorded and correlated with consumption of or abstinence from caffeinated foods or beverages.

Results.  Appearance and disappearance of tics were closely and clearly temporally correlated with ingestion and elimination of caffeine in the cousins' diets.

Conclusions.  Our observations suggest that caffeine may precipitate tics in susceptible children.

Key words: caffeine, tics.


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