Posted 9/17/2025 22:44 (#11369473 - in reply to #11369318) Subject: RE: developed allergies to Tylenol and aspirin,
SEIL
I believe Tylenol PM has diphenhydramine (benadryl) in it, that is what causes you to be drowsy, so that should counter act any allergic reaction you would have to Tylenol. I am not aDoctor though.