Skip to main content

Trigeminal neuralgia · St. Louis

Trigeminal Neuralgia

Trigeminal neuralgia is sudden, severe, electric-shock facial pain. It is one of the most intense pains in medicine, and it is very treatable.

What is trigeminal neuralgia?

The trigeminal nerve gives the face its feeling. When it is pinched or irritated, it fires brief, stabbing attacks.

What it feels like and what sets it off tell it apart from tooth pain. Even so, many patients have dental work done first.

What does trigeminal neuralgia feel like?

  • Sudden stabbing pain in the cheek, jaw or around the eye, lasting seconds.
  • Triggered by chewing, talking, touching the face, cold air or brushing teeth.
  • Almost always one-sided.
  • No pain between attacks, at least early on.

How do you relieve trigeminal nerve pain?

  • Diagnosis from your story. The pattern is easy to recognize.
  • A specific medicine. It is the first treatment to try and often works very well.
  • Sphenopalatine ganglion block and other targeted blocks.
  • Referral to a nerve surgeon when medicine fails.

To be assessed, call us or request an appointment.

What usually gets missed

Dental treatment is the classic mistake. The pain often shows up in the upper or lower jaw. Patients often have teeth pulled or get root canals before the diagnosis is made. It does no good, because the tooth was never the problem.

Here is what sets it apart. The attacks are short. They feel electric. Light touch, chewing, cold air or brushing teeth sets them off. And in the early stages there is no pain at all between attacks.

What to expect over time

Carbamazepine and related drugs are the first treatment, and at first they work very well in most patients. That response alone nearly confirms the diagnosis.

The effect often fades over years. At that point, microvascular decompression and percutaneous procedures (done through the skin with a needle) become options. This is one of the few pain conditions where one specific medicine truly changes lives. So getting the diagnosis right matters enormously.

When this becomes urgent

Face numbness between attacks, pain on both sides, hearing loss, or onset before forty raises the chance of an underlying lesion (a growth or damaged spot). That calls for imaging, not just a trial of medicine. Face weakness that comes with the pain needs a prompt exam.

What causes trigeminal neuralgia?

The trigeminal nerve gives the face its feeling. Classic trigeminal neuralgia causes brief, severe, electric-shock pains in one or more of its branches. Light touch, chewing, cold air or brushing teeth sets them off. In many cases a blood vessel is pressing on the nerve where it leaves the brainstem. That is why imaging is used to look for exactly that.

What can be mistaken for trigeminal neuralgia?

It is often mistaken for tooth pain, and patients often get dental treatment before the diagnosis is made. Steady burning pain, not brief shocks, suggests a different nerve pain in the face. That one is treated differently, so we ask carefully what the pain feels like.

What the first appointment covers

Expect a longer talk than you may be used to. We ask what the pain does across a full day, what sets it off and what calms it, and what past treatment did and for how long. Partial and short-lived results tell us a great deal. The exam then tests the causes your story points to. Then we tell you what we think is causing the pain and how sure we are.

Common questions

Is this a dental problem?

It often gets treated as one first. Brief shocks set off by a trigger tell it apart from tooth pain, which is usually more constant.

What triggers the attacks?

Light touch, chewing, cold air, brushing teeth. A tiny trigger setting off severe pain is the hallmark.

Is trigeminal neuralgia the worst pain there is?

It is one of the most intense pains in medicine. The attacks are sudden electric shocks in the cheek, jaw or around the eye that last seconds. A tiny trigger such as cold air or brushing teeth can set them off. The good news is that it is also very treatable. Once the diagnosis is right, one specific medicine often changes everything.

What medication is used for trigeminal neuralgia?

Carbamazepine and related drugs are the first treatment. They work well at first in most patients, and that response alone nearly confirms the diagnosis. Their effect often fades over years. When it does, targeted blocks, microvascular decompression and percutaneous procedures become the options. Referral to a nerve surgeon follows when medicine no longer controls the attacks.

When is facial nerve pain a sign of something more serious?

When the pattern breaks from the classic one. Numbness in the face between attacks, pain on both sides, hearing loss, or pain that starts before age forty raises the chance of an underlying lesion. That calls for imaging, not just a trial of medicine. Face weakness that comes with the pain needs a prompt exam.

Sources

  • Ashina S et al. Trigeminal neuralgia. Nature reviews. Disease primers, 2024. PubMed 38816415
  • Bendtsen L et al. European Academy of Neurology guideline on trigeminal neuralgia. European journal of neurology, 2019. PubMed 30860637
  • Allam AK et al. Trigeminal Neuralgia: Diagnosis and Treatment. Neurologic clinics, 2023. PubMed 36400550
  • Bendtsen L et al. Advances in diagnosis, classification, pathophysiology, and management of trigeminal neuralgia. The Lancet. Neurology, 2020. PubMed 32822636

Hurt in an accident? Start here.

You do not need a lawyer, a police report or a referral to be seen. Bring your symptoms and we will work out the rest.

Monday–Friday, 8:00 a.m. – 4:00 p.m. Same-day appointments are often available for new accident and injury patients.