Allegra – An Overview of an Effective Over-the-Counter Antihistamine for Seasonal Allergies
General Description of Allegra Allegra is an antihistamine medication that is widely used to provide relief from symptoms of seasonal allergies. It effectively alleviates common allergic reactions such as sneezing, runny nose, itchy throat, and watery eyes. The active ingredient in Allegra is fexofenadine hydrochloride, which works by blocking the action of histamine in the…