Diphenhydramine is generic for Benadryl which is an allergy medicine. It is also the ingredient in the PM medicines, like Tylenol PM and Advil PM, that helps you sleep. I hope this helps you.
- Diphenhydramine Information for Consumers
- Diphenhydramine Information for Healthcare Professionals (includes dosage details)
- Side Effects of Diphenhydramine (detailed)
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