Imitrex (sumatriptan) is a prescription drug that’s used to treat migraine with or without an aura. It’s not known whether Imitrex may be safe to use while pregnant or breastfeeding. If you can become ...

Sumatriptan 5mg, 20mg; per spray. The vascular 5-HT 1 receptor subtype to which sumatriptan binds selectively, and through which it presumably exerts its antimigrainous effect, is present on cranial ...