Claritin and Allegra DifferencesAllergiesAsk a Pharmacist Health. Allegra (fexofenadine) is an antihistamine that reduces the effects of natural chemical histamine in the body. Question. How do Claritin-D and Claritin, and Allegra-D and Allegra differ from each other? Answer. The bgest difference between Claritin-D® and Claritin® is that.
Difference between allegra and zyrtec - MedHelp Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Difference between allegra and zyrtec. Also, can someone tell the difference between food allergy symptoms verses seasonal allergies?
Compare Allegra vs Allegra D - Allegra is a brand name for the drug fexofenadine and Zyrtec is a brand name for the drug cetirizine. Allegra (fexofenadine) and Zyrtec (cetirizine) are second-generation antihistamines. Compare Allegra vs. Allegra D Head-to-head comparisons of medication uses, side effects, ratings, and more. Allegra Fexofenadine.
Difference in allegra:
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