Fexofenadine

Fexofenadine Uses

Fexofenadine is used for Seasonal Allergic Rhinitis, Chronic Idiopathic Urticaria

How Fexofenadine Works

Fexofenadine works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction.

Common side effects of Fexofenadine

Drowsiness, Headache, Fatigue, Nausea, Vomiting, Abdominal Distress, Dysmenorrhea

Interaction

Drug :Aluminum- and magnesiumcontaining antacids may decrease absorption if given within 15 min of fexofenadine. May increase concentrations of erythromycin, ketoconazole.

Herbs :St. John's wort may decrease concentration.

Food :Fruit juices may decrease bioavailability.

Lab Values :May suppress wheal, flare reactions to antigen skin testing unless drug is discontinued at least 4 days before testing.

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