What is Ergotamine? Ergotamine is a medication derived from a fungus called ergot.
This drug belongs to a class of medications known as ergot alkaloids and has been in use for several decades to treat acute migraine headaches. Mechanism of Action: Ergotamine works by constricting blood vessels in the brain.
Migraines are believed to be caused by a widening of blood vessels in the brain, and ergo.....
