Related to: Tic Douloureux, Prosopalgia, Fothergill’s disease, suicide disease, neurosurgery
The physicians at the physician's practice of UT Health San Antonio's Neurosurgery have a comprehensive understanding of this rare and complex nerve condition.
Trigeminal neuralgia (TN) is a condition that affects one of the largest nerves in the head, the trigeminal nerve. TN is a chronic-pain condition and has been called one of the most painful conditions known to humans.
As the name suggests, the trigeminal nerve has three branches. More than one news branch can be impacted by trigeminal neuralgia and both sides of the face can be affected either at the same time or at different times. The upper (ophthalmic), middle (maxillary), and lower (mandibular) portions of the face carry sensations from the trigeminal nerve to the brain. The upper branch carries sensations to most of the front of the head, including the scalp and forehead. The middle branch carries stimulations from the cheek, upper lip, upper jaw, teeth, gums, and side of the nose. The lower branch supplies sensation to the lower jaw, teeth, gums, and bottom lip.
Because TN affects fewer than 200,000 people in the United States, it has been listed as a "rare disease" by the National Institute of Health. It has been estimated that one in 15,000 people suffer from TN, but those numbers may be significantly higher than the actual rate due to frequent misdiagnosis.
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Symptoms
Trigeminal neuralgia (TN) is characterized by a sudden, severe pain typically felt on one side of the jaw or cheek. Patients most frequently describe the pain as shocking, electric-like or stabbing. Pain may occur on both sides of the face, although not usually at the same time. Attacks, which generally last several seconds, can come and go throughout the day, sometimes repeating in quick succession. Episodes can last for days, weeks, or months at a time and then disappear for months or even years. In the days before an episode begins, some patients experience a tingling or numbing sensation. Others experience a constant aching or burning pain instead.
Intense flashes of pain can be triggered by vibration or contact with the cheek: shaving, washing the face, applying makeup, brushing teeth, eating, drinking, talking, or being exposed to the wind. Pain may affect a small area of the face or it may spread. Bouts of pain rarely occur at night, when the patient is sleeping.
If more than 50 percent of the pain a patient experiences is sudden, sharp, stabbing, shocking, or intermittent, that person is often diagnosed with Type 1 TN. Patients are diagnosed with Type 2 TN if more than 50 percent of their pain is constant, aching, or burning. The onset of TN symptoms most often occurs after age 50, but TN cases have been documented in children and even infants.
TN is not fatal, but it can be debilitating. It is sometimes called “suicide disease” because it is the most painful affliction known to medical practice. The disorder is more common in women than men. Some evidence shows that it runs in families, perhaps because of an inherited pattern of blood vessel formation.