Alrin 120mg Tablet is an antihistamine used to relieve symptoms of allergies such as sneezing, runny nose, itching, and watery eyes caused by hay fever, allergic rhinitis, or urticaria (hives). The active ingredient, Desloratadine, works by blocking histamine, a substance in the body that causes allergic reactions. It provides long-lasting relief with once-daily dosing. This pack contains 100 tablets. Always follow the prescribed dosage and consult a healthcare provider for proper use.