How Green Tea interacts with phenytoin

Interaction type: Interactions

Interaction rating: Potential/Theoritical

If the green tea product is not decaffeinated, the caffeine may alter the effects of these medications and possibly the dose needed for treatment. Use with caution. (1)


  1. View Abstract: Czuczwar SJ, Gasior M, Janusz W, Szczepanik B, Wlodarczyk D, Kleinrok Z. Influence of different methylxanthines on the anticonvulsant action of common antiepileptic drugs in mice. Epilepsia. May1990;31(3):318-23.