For many people with trigeminal neuralgia (TN), medication can help keep pain under control. But TN can change over time. Pain may begin to break through, side effects may become harder to manage, or treatment that once worked well may become less effective.
Medication isn’t the only way TN can be treated. From surgical and minimally invasive procedures to Gamma Knife radiosurgery, understanding the broader treatment landscape can help you have an informed conversation with your healthcare team about what comes next.
When to explore other treatment options
Medication is generally the first-line treatment for trigeminal neuralgia, with medicines such as carbamazepine and oxcarbazepine commonly used to help control pain.
If medication is working well and side effects are manageable, it may continue to be an appropriate treatment. However, further options may be worth discussing if:
pain persists or returns despite medication
medication side effects become difficult to tolerate
symptoms are affecting eating, talking or other daily activities
pain has returned following a previous procedure
Your healthcare team can consider your symptoms, current medication, imaging, previous treatments, general health and preferences to help determine what may be appropriate for you.
What treatments are available beyond medication?
There are several ways trigeminal neuralgia can be treated when medication alone is not adequately controlling symptoms or is becoming difficult to tolerate.
Each treatment works differently, and there is no single approach that is right for everyone.
Microvascular decompression
In some cases of TN, a blood vessel presses against the trigeminal nerve where it enters the brain.
Microvascular decompression (MVD) is a surgical procedure that aims to relieve this pressure by separating the blood vessel from the nerve.
Unlike treatments that work by changing how the trigeminal nerve transmits pain signals, MVD aims to address the compression itself. As it involves open surgery and a general anaesthetic, your specialist will consider your individual circumstances when determining whether it may be suitable.
Percutaneous procedures
Percutaneous procedures are minimally invasive treatments that access the trigeminal nerve through the face using a needle or small instrument.
Techniques can include radiofrequency treatment, balloon compression and glycerol injection. These procedures work by changing the nerve's ability to transmit pain signals.
They can provide pain relief for some people, although side effects can include changes in facial sensation or numbness. Pain may also return over time.
Gamma Knife radiosurgery
Despite its name, Gamma Knife radiosurgery does not involve an operation or surgical incision.
Instead, highly focused beams of radiation are precisely targeted at a small area of the trigeminal nerve. Over time, the treatment changes the way pain signals travel along the nerve.
Gamma Knife is usually delivered as an outpatient treatment and does not require a surgical incision or general anaesthetic.
Unlike some other procedures for TN, pain relief is not immediate. It develops gradually after treatment and may take several weeks or months.
Where does Gamma Knife fit?
People researching TN treatment may be familiar with medication and surgery but less familiar with Gamma Knife radiosurgery.
Gamma Knife may be considered for selected people when pain is not adequately controlled with medication, medication side effects are difficult to tolerate, or a non-invasive treatment option is being explored. It may also be considered in some circumstances if pain has returned following previous treatment.
Gamma Knife is one of several treatment options for TN and will not be appropriate for everyone. Depending on your individual circumstances, your specialist may recommend continuing medication, surgery, a percutaneous procedure, Gamma Knife or another approach.
The aim is to find an option that is appropriate for your TN, your health and what matters to you.