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A member asked:
Rexall sleep aid 25mg rapid release caplets. will it help you fall asleep or will it hurt?
A doctor has provided 1 answer
Sleep: The active ingredient in rexall sleep aid is Diphenhydramine (benadryl). Benadryl (diphenhydramine) is an anti-histamine and, as the name implies, the counteract the effect of histamines. Histamine is a neurotransmitter associated with wakefulness and vigilance. If you counteract it, it causes drowsiness and sleep. I would use it only as needed, though.
Answered 6/25/2014
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