Fig. 2
From: What can be learned from the history of recurrence in migraine? A comment
Comparison of rectal sumatriptan 25Â mg with ergotamine tartrate 2Â +Â 200Â mg caffeine in the treatment of migraine attacks. Percentage headache relief (a decrease from moderate or severe headache to none or mild headache) after the two drugs are given. Note that in the first hour sumatriptan was superior to ergotamine whereas after 2Â h ergotamine (73% relief) was superior to sumatriptan (*PÂ <Â 0.05) [20]