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A member asked:
Had 100mg of diphenhydramine last night at 10pm. is it normally safe to take that dose two nights in a row?
2 doctors weighed in across 2 answers
Yes, if needed: Diphenhydramine is a PRN or as needed medicine. only take if needed for your symptoms. It can make you drowsy for several hours.
Answered 11/22/2017
3.2k views
Yes: THe maximum daily dosage of diphenhydramine is 400mg/day However, the recommended dosage of the medication for insomnia is 50mg at night. Would recommend to reduce the dosage to 50mg at night Please see your doctor if still have issues with insomnia.
Answered 11/22/2017
3.2k views
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