Periactin 4 mg tablets contain Cyproheptadine, an antihistamine that works by blocking the effects of histamine, a substance in the body responsible for allergic reactions. These tablets are commonly used to treat allergy symptoms such as sneezing, itching, runny nose, and watery eyes. Periactin can also be used to stimulate appetite in people experiencing unexplained weight loss. It may help increase food intake in patients who are underweight or have poor appetite. The medication can also be effective in treating conditions like hay fever or urticaria. The recommended dosage is determined by your doctor based on your individual condition. Periactin should be taken as directed to achieve the best results. . Please Note that product description, color, ingredients, package and other information maybe different from the original pack kindly check the product for more accurate details.