Safety and efficacy of the extended-release fixed-combination preparation containing 60 mg of fexofenadine hydrochloride and 120 mg of pseudoephedrine hydrochloride were established in a 2-week randomized, double-blind, active-controlled study in patients 12-65 years of age with seasonal allergic rhinitis. [77][82] In this study, treatment with the fixed-combination tablets twice daily was more effective than treatment with either drug alone in reducing the intensity of sneezing, rhinorrhea ... Detailed Fexofenadine dosage information for adults and children. Includes dosages for Allergic Rhinitis and Urticaria; plus renal, liver and dialysis adjustments. Fexofenadine is used to relieve runny nose; sneezing; red, itchy, or watery eyes; or itching of the nose or throat from allergies. It is also used to relieve symptoms of urticaria (hives; red, itchy raised areas of the skin). Fexofenadine is in a class of medications called antihistamines. It works by blocking the effects of histamine, a substance in the body that causes allergy symptoms.
