How Cayenne interacts with theophylline

Interaction type: Interactions

Interaction rating: Study Supported

An animal study reported that cayenne may increase the effects of the theophylline and possibly the dose needed for treatment. Use with caution. (1)


  1. View Abstract: Bouraoui A, Toumi A, Ben Mustapha H, et al. Effects of Capsicum Fruit on Theophylline Absorption and Bioavailability in Rabbits. Drug Nutr Interact. 1988;5(4):345-50.