
Trigeminal neuralgia is a severely painful condition that causes sudden attacks of pain on one side of the face triggered by simple actions such as talking, eating, or even hair brushing. Trigeminal neuralgia can be caused by brain tumors, multiple sclerosis, or injury to the nerve from head, sinus or dental trauma. A trigeminal nerve block uses steroids with a local anesthetic to directly surround the trigeminal nerve root to reduce inflammation and provide pain relief.