Migraine Meds Flashcards
Name the triptans
Sumatriptan
Zolmitriptan
Rizatriptan
Naratriptan
What is the mechanism of action of triptans?
5-HT agonists
Bind 5-HT receptors –> inhibit release of mediators of inflammation (prostaglandins, histamine, substance P) –> decreased inflammation and prevention of vasodilation
At what point will triptans not be effective in treating a migraine?
Once cutaneous allodynia has occurred
migraine treatment is a race to prevent cutaneous allodynia
Which triptan is longer acting and better for use when recurrence is a problem?
Naratriptan
What drug has a similar mechanism of action as Triptans and is also used to treat migraines?
Dihydroergotamine
5-HT agonist similar to triptans
Also interacts with dopaminergic and adrenergic receptors