Peritol 4mg Tablet is an antihistamine used to treat allergic conditions such as hay fever, allergic rhinitis, and urticaria (hives). The active ingredient, Cyproheptadine, works by blocking histamine, a substance in the body that triggers allergic reactions. It also has appetite-stimulating effects and is sometimes used to help with weight gain in certain medical conditions. This pack contains 250 tablets. Always follow the prescribed dosage and consult a healthcare provider for proper use.