title: Evaluation and treatment of headache.
mesh_terms: D000368:Aged; D003027:Cluster Headache / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006261:Headache / Q000175:diagnosis* / Q000188:drug therapy; D006801:Humans; D008297:Male; D008784:Methysergide / Q000627:therapeutic use; D008875:Middle Aged; D008881:Migraine Disorders / Q000175:diagnosis; D010148:Intractable Pain; D010808:Physical Examination; D012008:Recurrence; D013256:Steroids / Q000627:therapeutic use
chemical_list: D013256:Steroids; D008784:Methysergide