D H E 45 Full prescribing information from RxList. http://www.rxlist.com/cgi/generic2/dihyergmes.htm
Dihydroergotamine - FamilyDoctor.org Information for patients in English or Spanish. http://www.familydoctor.org/cgi-bin/multum.pl?op=GetLeaflet&id=12141&name=dihydroergotamine
