Does benadryl have rifampin in it?


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Benadryl No, Benadryl does not contain rifampin. Benadryl is diphenhydramine hydrochloride. However, you may have a pill that includes both Benadryl and Rifampin. If it's just over the counter Benadryl, it shouldn't have any rifampin in it. -ChaCha again soon!

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