Drug	Route	24-hour recurrence rate (%)	Half-life (hours)
DHE (Migranal), 2 mg19	Nasal	14	10
Sumatriptan (Imitrex nasal), 5 mg22	Nasal	34	2
Sumatriptan, 20 mg21,22	Nasal	32 to 34	—
Sumatriptan (Imitrex), 100 mg23	Oral	22 to 25	—
Sumatriptan (Imitrex Statdose), 6 mg4	Injectable	38	—
Naratriptan (Amerge), 1 mg24,25	Oral	33 to 39	6
Naratriptan, 2.5 mg24,25	Oral	27 to 28	—
Rizatriptan (Maxalt), 5 mg and 10 mg*	Oral	30 to 45	2 to 3
Zolmitriptan (Zomig), 2.5 mg26	Oral	37	2
Zolmitriptan, 5 mg26	Oral	32	—