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 (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. 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. 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. Adults as well as Children aged 12 and above can take one 180 mg tablet with water each day. For children under 12, you can use a pediatric product such as Allegra Kids. It’s not advisable to take more than one tablet of 180 mg fexofenadine in 24 hours. Fexofenadine is an antihistamine that may be used to treat allergy symptoms (including hay fever) in adults and children. Fexofenadine is also used to treat skin itching and hives caused by a condition called chronic idiopathic urticaria in adults and children who are at least 6 years old. Allegra 180mg Tablet is used to treat chronic idiopathic urticaria, a condition that causes persistent hives, itching, and skin redness without a known cause. It works by blocking histamine, a chemical that causes allergic skin reactions. This helps reduce itching, swelling, and hives. 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). Shop for Allegra in Allergy Medicine. Buy products such as Allegra Adult 24-Hour Allergy Relief Tablets, Non-Drowsy Indoor and Outdoor Allergy Medicine, 180 mg Fexofenadine HCI Antihistamine Pill, 40-Count at Walmart and save. 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.