Headache and eye pain.
D001932:Brain Neoplasms / Q000150:complications / Q000175:diagnosis; D002561:Cerebrovascular Disorders / Q000150:complications; D005128:Eye Diseases / Q000209:etiology*; D005156:Facial Neuralgia / Q000175:diagnosis; D013700:Giant Cell Arteritis / Q000150:complications; D006261:Headache / Q000209:etiology*; D006632:Histamine; D006732:Horner Syndrome / Q000150:complications; D006801:Humans; D006973:Hypertension / Q000150:complications / Q000175:diagnosis; D002532:Intracranial Aneurysm / Q000150:complications / Q000175:diagnosis; D008875:Middle Aged; D008881:Migraine Disorders / Q000209:etiology; D009303:Nasopharyngeal Neoplasms / Q000150:complications / Q000175:diagnosis; D010146:Pain; D012852:Sinusitis / Q000150:complications / Q000175:diagnosis; D013312:Stress, Physiological; D014277:Trigeminal Neuralgia / Q000175:diagnosis
D006632:Histamine