Trigeminal neuralgia is a nerve condition that causes sudden, severe pain on one side of the face. The pain feels like an electric shock and can be triggered by eating, talking, or even a light touch. It comes and goes within seconds, which is why it gets mistaken for a toothache or a sinus problem.

A retrospective study of 72 Indian patients published in the Journal of Clinical and Experimental Dentistry found a mean age of onset of 54.9 years, with 62.5 percent of cases affecting the right side of the face. The best hospital in Delhi managing facial nerve pain regularly sees patients who spent months visiting dentists before a neurologist identified the actual cause.

What Causes Trigeminal Neuralgia?

The trigeminal nerve has three branches. One covers the forehead. One covers the cheek and upper jaw. One covers the lower jaw. Together they carry feeling from the face to the brain. When the nerve stops working properly, it starts sending wrong signals. The brain reads those signals as severe pain, even when nothing has actually hurt the face.

The most common reason this happens is a blood vessel pressing on the nerve. Usually an artery sits too close to the point where the trigeminal nerve meets the brainstem. Over time, that pressure damages the nerve's outer coating. Once the coating thins, the nerve misfires. The brain receives pain signals that have no real cause behind them.

Other causes account for a smaller proportion of cases:

  • Multiple sclerosis : MS damages myelin throughout the nervous system, when it affects the trigeminal nerve it produces the same misfiring pain as vascular compression.
  • Tumour near the nerve : A growth pressing on the trigeminal nerve produces secondary trigeminal neuralgia, imaging is essential before trigeminal neuralgia treatment is planned.
  • Idiopathic : In some patients no compression or disease is found, the nerve has become hypersensitive over time without a clear identifiable cause.

Symptoms of Trigeminal Neuralgia

The pain arrives without warning and at full intensity. No build-up. Immediately severe, lasting from a fraction of a second to two minutes, then stopping completely. Between episodes most patients feel entirely normal. What triggers it is what makes the condition so disabling:

  • Eating or chewing : Jaw movement activates the nerve, meals become something many patients at a multispeciality hospital in Delhi begin avoiding, some lose significant weight.
  • Talking : Facial movement during speech triggers episodes, conversations become exhausting.
  • Brushing teeth : Touching the gums or inner cheek is one of the most consistent triggers.
  • Light touch on the face : A breeze or washing the face can fire an attack, the touch involved is far lighter than what would be expected to cause pain of this severity.

Trigeminal neuralgia treatment at the top hospitals in Delhi NCR starts with recognising this pattern. The defining feature is the trigger-based electric shock quality and the complete absence of pain between episodes.

How Trigeminal Neuralgia Is Diagnosed and Treated?

Diagnosis rests on clinical history. A neurologist hearing a patient describe sudden brief trigger facial nerve pain Delhi that resolves completely between episodes already has the most important diagnostic information. No blood test confirms trigeminal neuralgia.

MRI brain with specific sequences is ordered to identify the cause: blood vessel compression, tumour, or MS plaques. The treatment approach depends entirely on what the MRI finds. Treatment follows three pathways:

  1. Medication : Carbamazepine is the first-line treatment, it reduces the nerve's tendency to fire abnormally, the Indian study found it effective in 60.8 percent of patients on a long-term basis.
  2. Gamma Knife radiosurgery : Precisely targeted radiation delivered to the trigeminal nerve root without any incision, reduces pain in most patients within weeks to months, suitable for patients who are not candidates for open surgery.
  3. Microvascular decompression : The surgeon moves the blood vessel away from the nerve and places a small cushion between them, this is the most definitive treatment for confirmed vascular compression, it offers the highest rate of long-term pain relief and is most suitable for younger patients.

For patients in South Delhi and nearby areas looking for a multispeciality hospital near me with neurology, neurosurgery, and interventional options under one roof, PSRI Hospital Neurosciences department evaluates and manages trigeminal neuralgia through specialist consultation, MRI brain imaging, and the full range of treatment pathways.

The department is led by Dr. Nitin Kumar Sethi, Chairman of PSRI Institute of Neurosciences, with 27+ years in neurology. 

As a multispeciality hospital PSRI provides complete diagnostic and treatment planning without requiring referral elsewhere.

For facial pain evaluation or a neurology consultation, call PSRI 24 hours emergency hospital near me at: +91 84 84 84 84 17.

Frequently Asked Questions

Can trigeminal neuralgia go away on its own?
Sometimes. Spontaneous remissions happen, particularly early in the condition. Episodes tend to become more frequent and severe over time without treatment.

Is trigeminal neuralgia the same as a toothache?
No, though it's regularly mistaken for one. The trigger-based electric shock quality and complete absence of pain between episodes separate it from dental pain clearly.

Does microvascular decompression surgery cure it permanently?
For many patients, yes. It has the highest long-term pain relief rate when vascular compression is confirmed on MRI. Recurrence does occur in some cases over years.