A member asked:

How many? mg of benedryl is too much for one day?

A doctor has provided 1 answer

300mg over 24 hours: Usual dosage is 25-50mg every 4-6 hours as needed and so the max dose comes out to be about 300mg. I am not sure what you are using the medication for--it is often used for allergies, insomnia, motion sickness, cough, and even parkinsonism. This is an older antihistamine and can cause quite a bit of sedation/grogginess. Consult doc if you have trouble. Good luck.

Answered 3/26/2013

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