Tosymra Nasal Spray 10 mg is a Proprietary Acute Migraine Treatment Approved Under the 505(b)2 Pathway Based on Bioequivalence to Imitrex (sumatriptan) Injection 4 mg GlaxoSmithKline Recently Notified ...
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 ...