title: Headache.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000700:Analgesics / Q000627:therapeutic use; D002648:Child; D003937:Diagnosis, Differential; D004878:Ergotamine / Q000008:administration & dosage / Q000627:therapeutic use; D005260:Female; D006261:Headache / Q000175:diagnosis / Q000188:drug therapy / Q000503:physiopathology; D006801:Humans; D008297:Male; D008784:Methysergide / Q000627:therapeutic use; D008875:Middle Aged; D008881:Migraine Disorders / Q000145:classification / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology / Q000503:physiopathology; D009119:Muscle Contraction; D009125:Muscle Relaxants, Central / Q000627:therapeutic use; D011602:Psychophysiologic Disorders; D011613:Psychotherapy
chemical_list: D000700:Analgesics; D009125:Muscle Relaxants, Central; D004878:Ergotamine; D008784:Methysergide