Buy Imitrex no Prescription Imitrex (generic name: Sumatriptan; brand name: Imigran) belongs to a group of medicines called serotonin agonists.Imitrex is used to relieve migraine headache, with or without what is known as 'aura' (eg seeing dots or flickering lights, weakness or numbness of limbs). It also relieves other symptoms of a migraine attack like nausea, vomiting or sensitivity to light and sound. It is thought that migraine headache is due to widening of certain blood vessels in the head. Imitrex works by making those vessels normal again and ease the symptoms of migraine. Imitrex is not addictive. |