Imitrex (sumatriptan) is a brand-name drug that’s prescribed for migraine and cluster headaches in adults. As with other drugs, Imitrex can cause side effects, such as dizzy spells. Imitrex is ...

It’s important to note that Imitrex is not approved to help prevent migraine or cluster headaches. The active drug in Imitrex is sumatriptan. And Imitrex is available as the generic drug sumatriptan.

In addition to an injection given under your skin, Imitrex is also available as an oral tablet and a nasal spray. Imitrex belongs to a group of drugs called triptans. This article describes the ...

Imitrex (sumatriptan) is a prescription drug that’s used to treat migraine and cluster headaches. Imitrex can cause side effects that range from mild to serious. Examples include dizziness, tingling, ...