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A 33-year-old member asked:

How long before benadryl (diphenhydramine) sleepiness wears off?

1 doctor answer3 doctors weighed in
Dr. Michelle Zetoony
Sleep Medicine 20 years experience
Hangover: So this depends on a lot of things. Typically i tell people between 12-18 hours if they are overall healthy (remember it is a medication that could be dosed every 6 hours!). Realistically may be more like 24+ hours especially if other medications are being used or someone is older.
Created for people with ongoing healthcare needs but benefits everyone.

Similar questions

A 35-year-old member asked:

When does Benadryl (diphenhydramine) drowsiness wear off?

1 doctor answer3 doctors weighed in
Dr. Randy Sussmane Stubbs
Internal Medicine - Sleep Medicine 37 years experience
Benadryl (diphenhydramine): Depending on age, weight, how much you take the effect of drowsiness can wear off at different intervals. Also depends on what other meds you take, including other otc such as coffee.
Created for people with ongoing healthcare needs but benefits everyone.

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Last updated Oct 23, 2018
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