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Portland, ME
A 25-year-old female asked:

I had a bad allergic reaction to something last friday been taking benadryl (diphenhydramine) allergy.can the reaction delay your period?

1 doctor answer1 doctor weighed in
Dr. Kaveh Karandish
Internal Medicine 17 years experience
No : It is unlikely. Your sex hormones in general will not be affected by allergic reactions . Although stress may in some cases ...
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Last updated Sep 29, 2016


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