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I have high blood pressure can I take diphenhydramine for stuffy nose and cold?

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2 Sep 2013

I am a layman..but I know that diphenhydramine is an antihistamine..should not affect blood pressure adversely..its sedative effect may lower blood pressure

Votes: +0
yellowlabs 2 Sep 2013

Agree. I believe it's decongestants that can increase blood pressure.

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