Trigeminal Neuralgia- symptoms, causes & treatment What is Trigeminal Neuralgia? Trigeminal Neuralgia is a chronic pain condition affecting the Trigeminal Nerve The Trigeminal Nerve is responsible for sensation in the face. It also supplies certain muscles involved in biting and chewing. Trigeminal Neuralgia causes bouts of severe stabbing nerve (neuropathic) pain, often described [...]