Drug	Availability (how supplied)	Initial dose per attack	Interval time (hours) for repeated dose	Maximum dose per 24 hours	Cost per initial dose*
DHE nasal spray (Migranal)11	4 mg per ampule (4 ampules per tray)	2 mg	NR	3 mg	$17
Sumatriptan nasal (Imitrex Nasal)12	5 mg, 20 mg (box of 6)	5, 10 or 20 mg	2	40 mg	19
Sumatriptan tablets (Imitrex)13	25 mg, 50 mg (blister pack of 9 tablets)	25, 50 or 100 mg	2	200 mg	15
Sumatriptan injection (Imitrex Statdose)14	6-mg syringes (box of 2)	6 mg	1	12 mg	45
Naratriptan tablets (Amerge)15	1 mg, 2.5 mg (blister pack of 9 tablets)	1 or 2.5 mg	4	5 mg	15
Rizatriptan tablets (Maxalt)16	5 mg, 10 mg (blister pack of 6 tablets)	5 or 10 mg	2	10 mg	14
Zolmitriptan (Zomig)17	2.5 mg, 5 mg (blister pack of 6 tablets: 2.5 mg; blister pack of 3 tablets: 5 mg)	1.25†, 2.5 or 5 mg	2	10 mg	14 to 15