Tylenol PM - what is the meaning of "PM" that is written with Tylenol?
Question posted by mohammed_rami87 on 4 Sep 2018
Last updated on 4 September 2018 by masso
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Answers
masso
4 Sep 2018
Drugs with “PM” in the name usually contain an old-school antihistamine such as diphenhydramine (commonly found in Benadryl Allergy) or doxylamine, which can make you sleepy as a side effect.
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