What abnormalities could be causing migraines and headaches?
Neurological tests focus on ruling out diseases of the brain or nerves that may also cause headaches and migraines. The majority of headaches turn out to be benign in nature. Some of the tests look for a physical or structural abnormality in the brain that may cause your headache, such as:
- Brain abscess (an infection of the brain)
- Hemorrhage (bleeding within the brain)
- Bacterial or viral meningitis (an infection or inflammation of the membrane that covers the brain and spinal cord)
- Pseudotumor cerebri (increased intracranial pressure)
- Hydrocephalus (abnormal build-up of fluid in the brain)
- Infection of the brain such as meningitis or Lyme disease
- Encephalitis (inflammation and swelling of the brain)
- Blood clots
- Head trauma
- Sinus blockage or disease
- Blood vessel abnormalities
- Aneurysm (a "bubble" in the wall of a blood vessel that can leak or rupture)
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