Allergies Home > Allegra Oral

Allegra® (fexofenadine hydrochloride) is an antihistamine often used for treating seasonal allergies and chronic hives.
It is available without a prescription and comes in several different forms and strengths, including:
Allegra works by blocking the effects of histamine, chemicals in the body that can cause sneezing, itching, and irritation. The medication has been shown to be effective at relieving symptoms of hay fever and alleviating itching due to hives.
(Click Allegra for more information about this medication, including who makes it, how it works, what side effects may occur, and what you should discuss with your healthcare provider before starting treatment.)
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Last reviewed by: Kristi Monson, PharmD;
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