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A member asked:
Why does medicine (e.g. tylenol (acetaminophen) pm) make some people tired when they take it?
3 doctors weighed in across 2 answers
Side effects: not everyone responds to medications in the same way. google the medication to see side effects
Answered 1/4/2016
1.8k views
Tylenol (acetaminophen) PM: Contains a sedating antihistamine known as diphenhydramine (aka Benadryl) and the purpose is to help people fall asleep. So it's not unexpected that a sleep aid would cause people to be sleepy. On the other hand, in some people it can cause insomnia. Drugs do tend to have the desired effect in most, but not all people. If you want a drug that doesn't make you sleepy, use regular Tylenol (acetaminophen).
Answered 1/4/2016
1.8k views
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