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Benadryl (diphenhydramine)

Is stomach pain 48 hours later from overdose of benadryl serious?

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Wiki User
October 24, 2007 1:01AM

Don't ask that here. People can't reply fast enough. Read the warnings on the bottle and call a doctor or poison control center to find the answer. But yes. If you've taken more than ten 25mg pills, you might be developing a stomach ulcer, or internal stomach bleeding. It's not usually life-threatening though, but have a doctor look at you right away.