Allermine 4mg Tablet is an antihistamine used to treat allergic conditions such as hay fever, allergic rhinitis, and urticaria (hives). The active ingredient, Chlorpheniramine, works by blocking histamine, a substance in the body that causes allergy symptoms like sneezing, runny nose, itching, and watery eyes. This pack contains 500 tablets. Always follow the prescribed dosage and consult a healthcare provider for proper use.