an alkaloid derived from ergot that is less toxic than ergot; causes constriction of blood vessels and is used to treat migraine
例句
Patients of migraine were treated with magnesium sulfate injection ergotamine caffeine and cibelium capsules. 硫酸镁联合麦角胺咖啡因、西比灵治疗偏头痛。
Examples of drugs in this group are Ergotamine, Sumatriptan, Rizatriptan and Zolmitriptan.These medicines are available only with a physician's prescription and come in several forms. 偏头痛的治疗开始只能用一些平常的止痛药来缓解疼痛，或者是一些止吐药。
Researching of effect on hemei leaven and ergotinine enzyme to performance of meat - duck fed wheat - based diets added hemei leaven and ergotamine enzyme 小麦型日粮添加和美酵素及麦质素酶对肉鸭生产性能影响的调查与研究
