Other Causes of headache:
o Brain Tumor (Cancer)
o Giant Cell Arteritis (Temporal Arteritis)
o Intracranial Hemorrhage
o Meningitis
o Spinal Tap or Injection
o Brain Aneurysm:
An abnormal blood-filled dilatation of a blood vessel inthe brain.
o Meningococcemia:
The presence of meningococcus, a bacterium of the genus Neisseria, in the blood.
o Paget's Disease of the bone:
A chronic bone disease marked by enlargement and rarefaction and bowing of the long bones and deformation of the flat bones;called also Osteitis Deformans, Osteodystrophia Deformans.
o Sarcoidosis:
A chronic disease of unknown cause that is characterized by the formation of nodules resembling true tubercles especially in the lymph nodes, lungs, bones, and skin.
o Vasculitis:
Inflammation of a blood or lymph vessel;called also Angiitis.
o Systemic Lupus Erythematosus:
A connective tissue disease of unknown cause that occurs chiefly in women characterized by fever, skin rash, arthritis,acute hemolytic anemia,small hemorrhages in the skin and mucous membranes,inflammation of the pericardium, and in serious cases by involvement of the kidneys and central nervous system.
o MELAS Syndrome:
A group of rare muscular disorders, called also mitochondrial encephalomyopathies.