Alrin 180mg Tablet is an antihistamine used to treat allergy symptoms 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 triggers 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.