The smoke alarm isn’t broken.
It’s just become too good at its job.
A piece of toast
A little steam from the shower.
The neighbour’s cooking.
And suddenly, the alarm screams.
Many people living with chronic pelvic pain know exactly what this feels like.
Only the alarm isn’t hanging from the ceiling.
It’s living inside the nervous system.
Chronic Pelvic Pain Isn’t Always About Ongoing Injury
One of the biggest misconceptions about pelvic pain is that if pain persists, damage must still be occurring.
Sometimes that’s true.
Endometriosis can cause pain. Pudendal neuralgia can cause pain. Pelvic floor muscle dysfunction can cause pain. Infections, surgery, inflammation, and trauma can all leave their mark.
But sometimes the original trigger settles.
The tissue heals.
The scans look reassuring.
And yet the pain remains.
Patients often hear the most frustrating sentence in medicine:
“We can’t find anything wrong.”
What if the problem isn’t that nothing is wrong?
What if the nervous system has simply become overprotective?
Understanding Central Sensitisation
The nervous system is designed to keep us safe.
It notices threats.
It remembers them.
It adapts.
If pain signals continue for weeks or months, the brain and spinal cord can become more efficient at detecting danger.
More efficient isn’t always better.
This process is called central sensitisation.
The volume knob gets turned up.
Pain becomes easier to trigger.
The nervous system becomes hypervigilant.
Activities that should feel neutral may become uncomfortable.
Discomfort becomes pain.
Pain becomes expectation.
Expectation becomes reality.
The body isn’t imagining it.
The nervous system is doing what it learned to do.
Protect.
What Is a Stellate Ganglion Block?
A stellate ganglion block (SGB) is an injection performed around a collection of sympathetic nerves located in the neck called the stellate ganglion.
These nerves form part of the autonomic nervous system—the system responsible for the body’s fight, flight, and survival responses.
Using ultrasound guidance, a local anaesthetic is carefully placed around these nerves.
Traditionally, stellate ganglion blocks have been used to treat conditions such as:
- Complex regional pain syndrome (CRPS)
- Certain vascular pain conditions
- Post traumatic stress symptoms
- Facial pain syndromes
- Sympathetically maintained pain
Increasingly, clinicians are exploring whether this treatment may also have a role in conditions characterised by nervous system sensitisation.
Including chronic pelvic pain.
How Can a Stellate Ganglion Block Help Pelvic Pain?
It sounds counterintuitive.
The pain is in the pelvis.
The injection is in the neck.
But pain doesn’t exist in isolation.
The sympathetic nervous system communicates throughout the body.
When the nervous system remains locked in a heightened state of threat detection, reducing sympathetic activity may help interrupt that cycle.
For some patients, a stellate ganglion block appears to create an opportunity.
A pause.
A chance for the nervous system to recalibrate.
The constant background noise becomes quieter.
The pelvic floor muscles may soften.
Sleep may improve.
The body becomes more receptive to rehabilitation.
Physiotherapy can work more effectively.
Movement becomes less threatening.
The goal isn’t to erase the nervous system.
It’s to remind it that not every signal requires an emergency response.
Who Might Benefit From a Stellate Ganglion Block?
Not everyone with pelvic pain requires a stellate ganglion block.
Pelvic pain is complex, and successful treatment begins with an accurate diagnosis.
However, SGB may be considered in carefully selected patients who have features suggesting nervous system sensitisation, including:
- Chronic pelvic pain lasting months or years
- Pain that seems disproportionate to examination findings
- Widespread sensitivity
- Co-existing anxiety or heightened stress responses
- Pelvic floor overactivity
- Persistent pain despite conventional treatments
- Features of sympathetically maintained pain
A comprehensive assessment by a pain specialist is essential to determine whether this approach may be appropriate.
Is Stellate Ganglion Block a Cure?
No.
And that’s important.
A stellate ganglion block is rarely a standalone solution.
Instead, it may be one part of a broader strategy that includes:
- Pelvic floor physiotherapy
- Pain neuroscience education
- Movement and graded exposure
- Psychological support when appropriate
- Medication optimisation
- Treatment of underlying pelvic conditions
- Lifestyle interventions that support nervous system regulation
The best outcomes often come from combining therapies rather than relying on a single intervention.
The Future of Pelvic Pain Treatment
For decades, pelvic pain was misunderstood.
Patients were dismissed.
Investigations focused only on what could be seen.
If no obvious abnormality appeared, people were left to cope alone.
Thankfully, our understanding is evolving.
We now recognise that the nervous system itself can become sensitised.
That persistent pain can reflect altered processing rather than ongoing damage.
That the body’s alarm systems can become overprotective.
And that treatments aimed at calming those systems may have an important role.
Research into stellate ganglion block for sensitisation-related conditions continues to grow.
There is still much to learn.
But for some patients, understanding that their pain has a biological explanation—and that the nervous system remains capable of change—can be profoundly hopeful.
The Takeaway
The smoke alarm isn’t your enemy.
It protected you.
It learned quickly.
Perhaps too quickly.
A stellate ganglion block doesn’t silence the alarm forever.
But in selected patients with chronic pelvic pain and central sensitisation, it may help turn down the volume.
Sometimes that’s enough to create space.
Space for movement.
Space for healing.
Space for intimacy.
Space to remember that safety is possible.
And sometimes, that’s where recovery begins.
Contact us to speak with an expert.