Migraine attack Sumatriptan Caffeine/ergotamine Relief p = 55.8% No relief p=44.2% Relief p = 37.9% No relief p = 62.1% No recurrence p=59.4% Recurrence p=40.6% Endures attack p = 92% Emergency department p=8% No recurrence p = 70.3% Recurrence p=29.7% Endures attack p=92% Emergency department p=8% Relieved with a 2nd dose of sumatriptan cost = $Can16.10 Relief p=99.8% Hospitalisation p = 0.2% cost = $Can1093 Relieved with a 2nd dose of caffeine/ergotamine: cost $Can1.32- Relief p=99.8% Hospitalisation p=0.2% cost $Can1093