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What is the max amount of Benadryl (diphenhydramine) I can take in a day?
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Dr. Thomas Seck
Pediatrics
In brief: Technically, 300mg
I don't recommend taking more than 100mg (25mg every 6 hours) without physician input, as that can be extremely sedating.
That said, technically the dose is 25-50mg every 4-6 hours. If you take 50mg every 4 hours that makes 300 mg.

In brief: Technically, 300mg
I don't recommend taking more than 100mg (25mg every 6 hours) without physician input, as that can be extremely sedating.
That said, technically the dose is 25-50mg every 4-6 hours. If you take 50mg every 4 hours that makes 300 mg.
Dr. Thomas Seck
Dr. Thomas Seck
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