Allegra , also known as fexofenadine, is an antihistamine used to relieve hay fever and allergy symptoms, such as sneezing, runny or itchy nose, red or watery eyes and itchy throat. It is also used to treat symptoms of itching or rash hives.

Allegra works by blocking the histamine that exists in the body and causes allergic symptoms. This medicine is usually taken by mouth once or twice daily, as suggested by your doctor.

This drug may cause some common side effects like headache, drowsiness, dizziness, cough and back pain.

Allegra may also be taken to treat other conditions, as prescribed by your doctor.

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