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A 47-year-old female asked:

Just took sudafed(nondrowsy small round red pill). i meant to take benadryl (diphenhydramine) (pink oblong pill) for relief from an itchy rash. can i stil take benadryl (diphenhydramine)?

1 doctor answer2 doctors weighed in
Dr. Al Hegab
Dr. Al Hegabanswered
Allergy and Immunology 42 years experience
Yes you can: plain sudafed doesn't contain an antihistaminic, just a decongestant, but mind you if have elevated blood pressure be cautious with decongestants in general including sudafed, good luck
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Last updated Oct 7, 2017

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