Medscape - Seasonal allergic rhinitis, chronic idiopathic urticaria-specific dosing for Allegra (fexofenadine), frequency-based adverse effects, comprehensive interactions, contraindications. Allegra 180mg Tablet is used in the treatment of Allergic conditions, Sneezing and runny nose due to allergies. Find Allegra 180mg Tablet uses, composition, side-effects, price, substitutes, drug interactions, precautions, warnings, and expert advice. Fexofenadine is an antihistamine. It is used to relieve the symptoms of hay fever (seasonal allergic rhinitis) and hives of the skin (chronic idiopathic urticaria). Allegra 180 MG Tablet is an effective and potent anti-allergic medicine consists of Fexofenadine. It is used to treat allergic symptoms like runny nose, watery eyes, sneezing, itching, hives, etc., associated with Rhinitis (hey fever) and Urticaria (skin allergy). Allegra allergy relief medicine starts working in one hour for relief from sneezing, runny nose, itchy and watery eyes, and itchy nose or throat. One pill provides 24-hour allergy relief that doesn’t make you drowsy and affect your normal brain function. Formulated with active ingredient fexofenadine, Allegra Non-Drowsy Allergy Medicine provides powerful relief from indoor and outdoor allergies, including seasonal allergies and pet allergies. Allegra 180 mg Tablet 10's is used to treat allergic conditions such as hay fever (an allergy caused by pollen or dust), conjunctivitis (red, itchy eye), eczema (dermatitis), hives (red, raised patches or dots), reactions to insect bites and stings and some food allergies. Allegra (fexofenadine) is a second-generation antihistamine designed to relieve allergies without causing drowsiness. It doesn't easily enter the brain, so it's less likely to make you sleepy than older antihistamines. Allegra allergy relief medicine starts working in one hour for relief from sneezing, runny nose, itchy and watery eyes, and itchy nose or throat. One pill provides 24-hour allergy relief that doesn’t make you drowsy and affect your normal brain function. Overview: Fexofenadine is an antihistamine that is taken to help treat allergy symptoms, such as a runny nose, itchy or watery eyes, sneezing, or an itchy nose or throat. Common side effects may.