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.
Imitrex is available as oral tablets, a nasal spray, and as an injection. It used to treat migraine headaches in adults. Imitrex will only treat a headache. It will not prevent headaches or reduce the number of attacks.
Imitrex should not be used to treat a common tension headache or a headache that causes loss of movement on one side of your body. Use this medicine only if your condition has been confirmed by a doctor as migraine headaches.
