Types of Allegra

The tables below list examples of side effects of Allegra and Zyrtec. Both Allegra and Zyrtec can cause similar side effects. The main difference is that Zyrtec is more likely to cause drowsiness than Allegra.

New antihistamine: Clarinex is the brand name for desloratadine, the major metabolite of Loratadine . This makes it a new generation antihistamine. Desloratadine is approved for treatment of seasonal and perennial allergic rhinitis as well as chronic hives.

Fexofenadine (Allegra, Allegra Allergy, Children's Allegra, Allergy 24-HR, Mucinex Allergy) is a medication prescribed for the treatment of allergy and hives. Side effects, drug interactions, and pregnancy safety should be reviewed prior to taking this medication.

Xyzal (levocetirizine dihydrochloride) and Allegra (fexofenadine hydrochloride) are antihistamines used to treat allergic symptoms of seasonal allergic rhinitis (sneezing, runny nose, itchy or watery eyes), and hives. Both Xyzal and Allegra are available over-the-counter .

Compare Allegra vs. Loratadine, which is better for uses like: Allergy, Itching and Seasonal Allergies. Compare head-to-head ratings, side effects, warnings, dosages, interactions and patient reviews. Patients rated Loratadine 3.9/5 over Allegra 3.4/5 in overall satisfaction.