title: Recognizing a headache that's truly dangerous.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000009:adverse effects / Q000627:therapeutic use; D000784:Aortic Dissection / Q000209:etiology; D017545:Aortic Aneurysm, Thoracic / Q000209:etiology; D001766:Blindness / Q000209:etiology; D013700:Giant Cell Arteritis / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy; D006261:Headache / Q000209:etiology; D006801:Humans
chemical_list: D000305:Adrenal Cortex Hormones