Trigeminal Neuralgia To reach staff, make an appointment, get directions. The trigeminal nerve supplies the face with sensation.
Trigeminal neuralgia is due to abnormal transmission in the trigeminal nerve.
Most cases of trigeminal neuralgia are without an assignable cause. However, compression of the trigeminal nerve by a neighboring blood vessel - most commonly the superior cerebellar artery, which is proposed to initiate the abnormal transmission. A cerebral aneurysm compressing the nerve. A tumor in certain areas of the brain can also cause compression of the trigeminal nerve. Finally, multiple sclerosis can produce a lesion in the brainstem that may cause trigeminal neuralgia.