MedlinePlus: Ergotamine and Caffeine - Provides information on usage, precautions, side effects and brand names when available. Data provided by various government agencies and health-related organizations - http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a601048.html
Ergotamine and Caffeine - Full prescribing information from RxList. - http://www.rxlist.com/cgi/generic2/ergot.htm