Imitrex is the brand name for sumatriptan, a prescription medicine used to treat migraine headaches in adults. Imitrex is best taken as soon as the headache pain begins - not before, even if there. Imitrex (sumatriptan) is a selective serotonin receptor agonist used in oral, intranasal or injectable dosage form to treat migraine headaches. Imitrex is available as a generic drug. A few final notes … Imitrex should not be the only tool in your arsenal. Migraine requires a detailed management plan, including prevention, a balanced lifestyle, pain relief coping mechanisms, and self-care. Consumer drug information about the prescription drug sumatriptan ( Imitrex, Alsuma, Imitrex STATdose System, Sumavel DosePro) used to treat migraine and cluster headaches. Side effects, drug interactions, and pregnancy efficacy information is provided. Sumatriptan is indicated for the acute treatment of migraine, with or without aura, and the acute treatment of cluster headache. Sumatriptan is available under the following different brand names: Imitrex, Imitrex Statdose, Sumavel DosePro, Alsuma, and Zembrace SymTouch. Imitrex is the brand name for sumatriptan succinate, a prescription medication used to treat acute migraine headaches. It is not a controlled substance, and no risk of dependency has been observed. Imitrex (sumatriptan) is a headache medicine that narrows blood vessels around the brain. Sumatriptan also reduces substances in the body that can trigger headache pain, nausea, sensitivity to light and sound, and other migraine symptoms. About Cluster Headaches: A term used to describe a headache that is typified by constant, unilateral pain around the eye, with onset usually within 2-3 hours of falling asleep. Back. The key below explains what each icon means. Scroll down to find all drugs and dosages that can offer savings or information by clicking on the drug name then click on the icon: Find patient medical information for Imitrex Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.