Cluster headache.
D000293:Adolescent; D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004878:Ergotamine / Q000627:therapeutic use; D005260:Female; D006261:Headache / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008784:Methysergide / Q000627:therapeutic use; D008875:Middle Aged; D008881:Migraine Disorders / Q000175:diagnosis; D014653:Vascular Headaches / Q000175:diagnosis* / Q000188:drug therapy
D000305:Adrenal Cortex Hormones; D004878:Ergotamine; D008784:Methysergide