A 40-year-old member asked:
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how many 50 mg diphenhydramine is too much?

1 doctor answer
Dr. Susumu Inoue
53 years experience Pediatric Hematology and Oncology
More than two: Do not take more than 100 mg.
Answered on Apr 5, 2020

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A 38-year-old member asked:
Dr. Susumu Inoue
53 years experience Pediatric Hematology and Oncology
Over 100 mg: Like any other drugs, you may develop tolerance to this drug, but, ordinarily, i would say do not take more than 100 mg.
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