Trigeminal Neuralgia: Relief Technique, Trigeminal Neuralgia (TN) is a chronic pain disorder that affects the trigeminal nerve, which carries sensation from the face to the brain. Often described as What are the Options for Trigeminal Neuralgia Facial Pain? Regenexx at New Regeneration Orthopedics Trigeminal neuralgia Nature Reviews Disease Primers Injection of botulinum toxin type A (BOTOX) into path of trigeminal nerve to control the pain Vitamin B12 Injections Specialist in Langhorne, PA Trigeminal Neuralgia Expert Surgeon Aaron Cohen Gadol, MD