Radiofrequency Ablation for Chronic Back Pain: A Non-Surgical Way to Treat the Source, Not Just the Symptoms
Not all back pain is the same, and treating the wrong source of it rarely works. If you've been living with chronic low back pain that flares when you bend backward, twist, or stand up after sitting for a while, there's a good chance the pain is coming from your facet joints. And if that's the case, radiofrequency ablation (RFA) may offer longer-lasting relief than medication, physical therapy, or injections alone, without surgery.
What Is Radiofrequency Ablation?
Radiofrequency ablation is a minimally invasive, image-guided procedure that uses heat to disrupt the small nerves carrying pain signals from an irritated joint to the brain. It doesn't fix the underlying arthritis or degeneration; it interrupts the pain signal itself, which for the right patient can mean months of real, functional relief.
RFA is most effective for pain coming from the facet joint, the small joints that connect each level of your spine and allow it to bend, twist, and rotate. When these joints become arthritic or irritated, they can become a chronic source of mechanical low back pain that doesn't fully respond to physical therapy or medication.
How Do You Know If Your Pain Is Coming From the Facet Joints?
This is where an accurate diagnosis matters more than almost anything else. Facet joint pain is notoriously hard to pin down: it doesn't show up clearly on imaging, and there's no single physical exam finding that confirms it. Instead, it's usually a constellation of symptoms. A pattern rather than one clear sign.
Some common indicators include:
Pain that worsens when you bend backward or twist your spine
Stiffness or difficulty getting comfortable first thing in the morning
Trouble getting out of a chair or car
Discomfort bending over to pick something up
Pain that's been labeled "just arthritis" without further explanation
If several of these sound familiar, the next step is to confirm where the pain is coming from.
Diagnosis First: The Medial Branch Block
Before jumping to RFA, the source of the pain needs to be confirmed. This is done with a diagnostic medial branch block; a quick, targeted injection near the nerves that supply the suspected facet joint.
If you get meaningful relief within minutes of the injection, that's a strong sign the facet joint is, in fact, the source of your pain. This step matters: the more confirmatory the diagnostic block, the higher the success rate of the radiofrequency ablation that follows. Skipping this step, or treating pain without a clear diagnostic match, is one of the most common reasons RFA "doesn't work" for some patients.
How Does Radiofrequency Ablation Work?
Once the facet joint is confirmed as the pain generator, RFA is performed using the same image-guided precision as the diagnostic block. A thin needle is placed next to the target nerve, and radiofrequency energy is used to heat and disrupt it. Stopping it from transmitting pain signals to the brain.
Why patients choose this approach:
Minimally invasive, image-guided precision
No incisions, no hardware, no lengthy recovery
Relief often lasts six months to a year or more
Can be safely repeated, and results often last even longer with each treatment
Because nerves can regenerate over time, RFA isn't necessarily a one-time fix, but for many patients, that's a feature, not a drawback. It offers a repeatable, low-risk path to ongoing relief without escalating to surgery.
Who Is a Good Candidate for Radiofrequency Ablation?
Radiofrequency ablation tends to work best for patients with:
Facet joint syndrome
Spinal arthritis
Degenerative disc disease
Chronic mechanical low back pain that hasn't improved with physical therapy or medication
If you've been told your back pain is "just arthritis," or you're facing a recommendation for spinal fusion, RFA may be worth exploring first. Particularly if a diagnostic block confirms the facet joints as the source.
Frequently Asked Questions About Radiofrequency Ablation:
Is radiofrequency ablation surgery? No. RFA is a non-surgical, outpatient procedure done with local anesthesia and image guidance. There are no incisions or implanted hardware, and recovery time is minimal compared to spinal surgery.
How long does relief from RFA typically last? Most patients experience relief for six months to a year or longer. Because the treated nerves can eventually regenerate, RFA can be safely repeated. Many patients find relief lasts even longer with subsequent treatments.
Do I need a diagnostic test before getting RFA? Yes. A diagnostic medial branch block is used first to confirm that the facet joints are actually the source of your pain. This step significantly improves the success rate of the RFA that follows.
What conditions does RFA treat? RFA is most commonly used for facet joint syndrome, spinal arthritis, degenerative disc disease, and chronic mechanical low back pain that hasn't responded to physical therapy or medication.
Let's Confirm the Source of Your Pain and Treat It
As a double board-certified Lifestyle Medicine Physiatrist with expertise in non-surgical orthopedic care, Dr. Evan Queler specializes in accurately diagnosing the true source of chronic back pain before recommending treatment. Ensuring patients aren't left guessing or facing surgery without exploring effective non-surgical options first.
If you're dealing with chronic low back pain and want to know whether radiofrequency ablation could help, the first step is a conversation and an accurate diagnosis.
— Dr. Evan Queler