Dexisometheptene mucate is under investigation in clinical trial NCT02423408 (Safety and Efficacy Study of TNX-201 Capsules for Treatment of Single Tension-type Headache).

Dichloralphenazone is a sedative composed of chloral hydrate and phenazone. It is typically found in combination products Nodolor and Midrin containing [isometheptene] and [acetaminophen] used for the relief of tension and vascular headaches. It is a US Sched…

Isometheptene is a sympathomimetic drug that causes vasoconstriction. It is used for treating migraines and tension headaches.