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A member asked:
When does benadryl (diphenhydramine) drowsiness wear off?
A doctor has provided 1 answer
Benadryl (diphenhydramine): Depending on age, weight, how much you take the effect of drowsiness can wear off at different intervals. Also depends on what other meds you take, including other otc such as coffee.
Answered 5/28/2016
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