A 49-year-old female asked:
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how much benadryl (diphenhydramine) can you take at one?

1 doctor answer
Dr. Al Hegab
Dr. Al Hegab answered
40 years experience Allergy and Immunology
Benadryl (diphenhydramine): mind you, you're already on other medications as mentioned in your profile, valium (diazepam) can interact with diphenhydramine (benadryl) and cause CNS depression or psychomotor impairment, be careful with multiple medications, read the labels well on OTC medicines
Answered on Aug 14, 2017
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Not recommended: that is above the usual dose and will likely produce significant sleepiness. Even one might be a problem with driving. Furthermore, it is very unlikel ... Read More
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A 36-year-old member asked:
Dr. Alan Ali
Dr. Alan Ali answered
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Benadryl (diphenhydramine): Unless otherwise advised by your doctor, yes it is.
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