Sufferers say the pain caused by the nerve disorder is so debilitating that they can’t smile, laugh or even make eye contact with another person.

Trigeminal neuralgia is a facial pain condition caused by the trigeminal nerve, a cranial nerve that starts at the ear and runs along both sides of the face in three branches: The nerve sends ...

SAN DIEGO — Intravenous (IV) administration of the anticonvulsant fosphenytoin is effective as a fast-acting treatment for acute trigeminal neuralgia ... disabling facial pain disorder that ...

Treatment options are limited for patients with postherpetic neuralgia (PHN), a chronic pain disorder caused by reactivation of the varicella zoster virus. Topical application of capsaicin ...