Imitrex, chemically called sumatriptan, is a cerebral vasoconstrictor used to treat severe symptoms associated with migraine headaches. It also helps relieve other symptoms associated with migraines, including sensitivity to light or sound, nausea, and vomiting.

This type of medicine is available as an oral tablet and a nasal spray. Take Imitrex as soon as your headache begins. Your doctor may increase your dose gradually, as needed.

Imitrex contains several side effects. Patients who are taking Imitrex may experience dizziness, drowsiness, nausea, vomiting, muscle aches, or discomfort in the nose.

Imitrex may also be prescribed to treat other conditions, as suggested by your doctor.

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