"Since seasonal allergic rhinitis symptoms are largely mediated through histamine H1-receptors, H1-receptor antagonists such as Allegra have become the therapy of choice for people suffering from seasonal allergic rhinitis, " said Peter H. Howarth, DM, of the Respiratory Cell and Molecular Biology Division at Southampton General Hospital in Southampton, United Kingdom.

DESCRIPTION | CLINICAL PHARMACOLOGY | INDICATIONS DOSAGE AND ADMINISTRATION HOW SUPPLIED | WARNINGS CONTRAINDICATIONS PRECAUTIONS | ADVERSE REACTIONS DRUG INTERACTIONS | OVERDOSAGE | PATIENT INFORMATION | RxList