Trigeminal neuralgia: Symptoms, causes, and treatment

Trigeminal neuralgia is a nerve disorder of the face. It causes abrupt, searing facial pain, especially in the lower face and jaw and around the nose, ears, eyes, or lips.

Also known as tic douloureaux,it is thought to be one of the most painfulhuman conditions.

Neuralgia refers to severe pain along the course of a nerve, due to nerve irritation or damage. Trigeminal neuralgia affects the trigeminal nerve, one of the most wide-reaching nerves in the head.

In the United States (U.S.), approximately 14,000 people develop the condition annually, and 140,000 people currently live with the condition. It is thought to affect about one million people worldwide.

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