Trigeminal neuralgia is an uncommon facial pain syndrome affecting a nerve in the head called the trigeminal nerve. It causes repeated episodes of sudden, extreme, electric-shock–like pain on the side ...

Trigeminal neuralgia (TN) is a headache disorder that causes severe, one-sided facial pain. The pain occurs when the trigeminal nerve root is activated and can be triggered by touch or movement.

Trigeminal neuralgia can be clinically diagnosed based on a complete medical history and neurosensory examination of the patient. The neurologic examination should demonstrate the classic reproducible ...

While the Food and Drug Administration (FDA) hasn’t approved Botox for trigeminal neuralgia, doctors may prescribe the drug off-label for this use. Several studies have looked into the effectiveness ...