variants:
also fexofenadine hydrochloride
Medical Definition of fexofenadine
: a nonsedating H1 antagonist administered orally in the form of its hydrochloride C32H39NO4·HCl to relieve symptoms of seasonal allergic rhinitis and chronic hives
Note: Fexofenadine is marketed under the trademark Allegra.
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Merriam-Webster unabridged
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