title: Use of dihydroergotamine (DHE) should be restricted to no more than twice a week.
authors.affiliation: Danish Headache Center, Department of Neurology, Glostrup Hospital, Glostrup, Denmark.
authors.forename: Peer C
authors.initials: PC
authors.lastname: Tfelt-Hansen
authors.forename: Hans-Christoph
authors.initials: HC
authors.lastname: Diener
mesh_terms: D018712:Analgesics, Non-Narcotic / Q000008:administration & dosage* / Q000009:adverse effects*; D004087:Dihydroergotamine / Q000008:administration & dosage* / Q000009:adverse effects*; D051271:Headache Disorders, Secondary / Q000209:etiology / Q000517:prevention & control; D006801:Humans; D008881:Migraine Disorders / Q000188:drug therapy*
chemical_list: D018712:Analgesics, Non-Narcotic; D004087:Dihydroergotamine