The cluster headache.
D003937:Diagnosis, Differential; D004878:Ergotamine / Q000008:administration & dosage / Q000627:therapeutic use; D007839:Functional Laterality; D006261:Headache / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D006801:Humans; D008784:Methysergide / Q000008:administration & dosage / Q000627:therapeutic use; D008881:Migraine Disorders / Q000145:classification / Q000175:diagnosis; D010551:Personality; D011613:Psychotherapy; D012008:Recurrence; D013315:Stress, Psychological; D009626:Terminology as Topic; D013997:Time Factors
D004878:Ergotamine; D008784:Methysergide