Causes
- Brain Tumors.
- Infections ( Meningitis, brain Abscess or granulomatous legions).
- Brain Stroke ( Intracerebral Hemorrhage, Sub Arachnoid Hemorrhage, Ischemic Stroke , Subdural Hematoma, Extradural Hematoma, Large Ischemic Stroke, etc.)
- Head Injury.
- Migraine.
- Muscle Contraction Headache.
- Cluster Headache.
- Benign Intracranial Headache.
- Glaucoma.
- Optic Neuritis.