Cyproheptadine HCI is an antihistamine prescribed to help relieve symptoms caused by seasonal, food and plant allergies, including mild and uncomplicated allergic skin reactions, such as hives or swollen tissue. This medication may also be used to help treat asthma. Customers may receive this drug under the name Periactin.**We directly source prescription medications from manufacturers and wholesale distributors registered with the FDA and licensed by applicable state boards. Guaranteed genuine, and where applicable, backed by the manufacturer.**