What is the definition or description of: imitrex (sumatriptan)?

Sumatriptan: It is a headache medicine that narrows blood vessels around the brain. Imitrex (sumatriptan) also reduces substances in the body that can trigger headache pain, nausea, sensitivity to light and sound, and other migraine symptoms.

Migraine medication: Imitrex (sumatriptan) is a medication that belongs to the triptan catergory. These medications were specificaly formulated to treat migraine headache. They will bind to receptors on the blood vessels and brain lining and control serotonin distribution. They do not cause constriction of blood vessels as once thought. The medication comes in a pill, nasal spray and injectable formulation.

See below: Imitrex (sumatriptan) is a headache medicine that narrows blood vessels around the brain. Imitrex also reduces substances in the body that can trigger headache pain, nausea, sensitivity to light and sound, and other migraine symptoms. Imitrex is used to treat migraine headaches. Imitrex will only treat a headache that has already begun. It will not prevent headaches.