Mosegor is a brand name for a syrup medication that contains the active ingredient pizotifen. It is primarily used to prevent migraines and reduce the frequency and severity of their symptoms. Pizotifen works by blocking the action of serotonin and histamine, two substances in the body that can cause migraines. It is not a pain reliever, and it should not be used to treat a migraine attack that has already begun. Mosegor syrup is usually taken orally, with or without food, as directed by a doctor or pharmacist. The recommended dose varies depending on the patient's age, weight, and medical condition. Side effects of Mosegor syrup may include drowsiness, dry mouth, dizziness, increased appetite, and weight gain. It may also interact with other medications, so it is important to inform the doctor about any other medications being taken.