A member asked:

I read a side effect of allegra (fexofenadine) is dysmenorrhea. is that only if it's taken during one's period? what if i take it only during the rest of the month?

A doctor has provided 1 answer
Dr. Justin Greiwe answered

Specializes in Allergy and Immunology

Not a Side Effect: Allegra (fexofenadine) is usually well tolerated with minimal/benign side effects. While Allegra (fexofenadine) does have some side effects, I've never heard of anyone experiencing dysmenorrhea while on this medication.

Answered 4/30/2015

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Could fexofenadine make one skip their periods?

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