When your patient complains of headaches.
D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000368:Aged; D001927:Brain Diseases / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D003937:Diagnosis, Differential; D005260:Female; D006261:Headache / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D006973:Hypertension / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000209:etiology; D013315:Stress, Psychological