Migraine abortive medications are those medications that work to stop the Migrainous process, which also stops the symptoms. The most widely used abortive medicaitons are the triptans - Imitrex, Maxalt, Zomig, Amerge, Relpax, Axert, and Frova; plus Treximet, which is a combination of sumatriptan (Imitrex) and naproxen sodium (Aleve). These medications work best when taken early in a Migraine attack.
Rescue medications are medications to be used if our abortives fail, or if we can't take the abortive medications. They can't stop a Migraine; they only mask the pain for a few hours, during which the Migraine will, hopefully, run its course and stop.
No, Fioricet isn't an abortive. It's sometimes used as a rescue medication.
You can find more about these medications in Preventive, Abortive, and Rescue Medications - What's the Difference?
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