Facet joint syndrome is pain that comes from the facet joints. These are the pair of small joints that hold each level of your spine together at the back, one on each side. They are true joints, with cartilage, a capsule, and nerves. So they can hurt in exactly the way a knee or a thumb can hurt.
Facet joint syndrome is the name for pain that has been established to come from those joints. That word “established” is doing real work, and it is the reason this page exists.
Facet pain is common. It is also over-diagnosed on imaging and under-diagnosed in the clinic, at the same time, for the same reason. Arthritic-looking facet joints show up in a great many people who do not hurt.
According to PubMed, a Framingham Heart Study CT analysis found facet joint arthritis in 64.5 percent of a community group. When all the wear features were analyzed together, only spinal stenosis was tied to self-reported low back pain. Facet arthritis was not (Kalichman L, et al. Spine J. 2010;10(3):200-8. DOI).
In practice, that means “facet arthropathy” on your report tells you almost nothing on its own. The useful number comes from studies that used numbing blocks, not pictures. According to PubMed, one series used controlled, compared numbing blocks. Facet joints were the source in 34.1 percent of people with chronic low back pain (95% CI 28.8–39.8). And a single block had a false-positive rate of 49.8 percent (Manchikanti L, et al. Pain Physician. 2020;23(5):519-530. PubMed — no DOI assigned).
Read that false-positive figure twice. About half of people who respond to one block do not respond to the second, confirming one. A single positive injection is not proof. Treating it as proof is how patients end up with a procedure aimed at a joint that was never the problem.
How common it is also depends on who is examined. An earlier study in the same setting found facet joint pain in 21 percent of patients with low back pain alone. It was 41 percent in patients whose pain spread across several spine regions (Manchikanti L, Hirsch JA, Pampati V. Pain Physician. 2003;6(4):399-405. PubMed). The authors said plainly that their results should not be applied to the general population. That warning is worth repeating, because these figures get quoted without it all the time.
Facet joints carry more load as the disc in front of them loses height. That is why facet pain tends to come along with disc wear, not instead of it. Age is the main factor. Body weight matters in ways we can measure. In the Framingham CT data, facet joint arthritis was significantly more common in the obese group, with an odds ratio of 2.8 (95% CI 1.1–7.2) (Kalichman L, et al. J Back Musculoskelet Rehabil. 2009;22(4):189-95. DOI).
Other factors: work or sport with repeated arching and twisting, and a past fusion that shifts load to the level above. Whiplash and other bending-back injuries in the neck count too. So do the metabolic and inflammatory drivers this practice treats directly instead of referring out.
None of these features, alone or together, is reliable enough to make the diagnosis. But they are reliable enough to decide who should be tested. That is a different and more honest use for them.
Examination. We load the joint by bending back and twisting, press over the joint line, and note what eases it. This picks candidates. It does not diagnose.
Imaging, read against symptoms. Useful for ruling out other things and for planning a procedure. Not useful for proving that a certain joint is causing pain, for the reasons above.
The medial branch block, which is the actual test. Each facet joint gets its feeling from two small nerves called medial branches. A tiny dose of numbing drug is placed on those nerves under fluoroscopic guidance. That switches the joint off for a while. If the pain goes and you can do moves that hurt before, the joint has identified itself. If not, it has not. That is useful information, not a wasted appointment.
Because of the false-positive rate, the diagnosis is properly held to a second, confirming block. It uses a numbing drug that lasts a different length of time. Relief that matches the drug — shorter with the short-acting one, longer with the long-acting one — is much harder to explain away than a single good day.
These are done under local numbing with no sedation. Patients are awake and can respond the whole time. That matters even more here, because the test depends on you reporting exactly what changed. Most patients drive themselves home and are back to normal activity, including work, within two to four hours.
Conservative care. Cut back on activities that bend you backward. Do targeted physical therapy to build hip and core control. And address load and inflammation. Medical weight management and lifestyle medicine are treatment for a weight-bearing arthritic joint, not add-ons to it.
Facet joint injection. Anti-inflammatory medicine placed into or around the joint. Also done without sedation.
Therapeutic medial branch blocks. The blocks themselves can be treatment, not just a test. According to PubMed, a randomized, double-blind, controlled trial studied 120 patients chosen by controlled, compared test blocks. At two years, 85 to 90 percent had significant pain relief and better function. They averaged five to six treatments over that time, with roughly 19 weeks of relief per treatment (Manchikanti L, Singh V, Falco FJE, Cash KA, Pampati V. Int J Med Sci. 2010;7(3):124-35. DOI).
That result deserves an honest reading on both sides. It is a randomized double-blind trial with two-year follow-up. That is more than most pain-procedure evidence offers. But it enrolled only patients who had already passed a strict double-block filter. So it describes what happens in a carefully chosen group, not in everyone with back pain. Selection does much of the work. That is exactly the argument for doing the test step properly.
Radiofrequency ablation. When blocks confirm the joint and give real but short-lived relief, heating the medial branches stops the pain signal for longer. The nerves grow back over time. So this is a repeatable treatment, not a permanent one. It is repeatable exactly because nothing is removed or fused. Also done without sedation.
Surgery is not part of the treatment plan for facet joint syndrome itself. No operation treats an arthritic facet joint the way a knee replacement treats an arthritic knee. Fusing a segment to stop motion at a painful facet joint is a big step. It has effects on the levels above and below.
That is a statement about this condition, not about this practice. Dr. Gurpreet Singh Padda, MD, MBA, MHP is a licensed physician and surgeon with surgical privileges. Surgery is performed here for the conditions that need it.
Surgery enters the talk for a patient with facet arthritis when something else is present. That could be major instability, a slipped vertebra that is getting worse, or nerve pressure from facet overgrowth crowding the spinal canal or the nerve opening. Then the operation targets the instability or the pressure, not the joint pain. When the facet joints themselves are the confirmed source, the lasting answer is one that can be repeated and destroys nothing.
Is your back worse standing and arching, and better sitting forward? Then the facet joints are worth testing directly, not guessing from a report. We see patients from across St. Louis, Florissant, Chesterfield and the Illinois Metro East. Call us or request an evaluation.
Some facet joints keep flaring after blocks or ablation. For them, an image-guided intra-articular injection of PRP injections treats the arthritic joint itself. It is done alongside the posture, load and metabolic work that decides whether it stays quiet. Read more about orthobiologic treatment.
Not by itself. Facet joint arthritis was present in 64.5 percent of a community CT group. In that same analysis, it was not tied to reported low back pain once other factors were counted. The finding describes the joint’s condition. Proving that the joint is causing your pain takes a numbing block. Read more: Facet joint pain explained.
Because about half of single positive blocks do not hold up on a second one. The measured false-positive rate for a single low back medial branch block was 49.8 percent. A confirming block uses a numbing drug that lasts a different length of time. If the relief matches the drug, it is much harder to explain away. It is the difference between a promising result and a diagnosis. Read more: Diagnosing facet pain with a medial branch block.
A facet injection puts medicine into or around the joint itself. A medial branch block numbs the two small nerves that carry feeling from that joint. That is what makes it a clean test. It also marks the targets for radiofrequency ablation if that becomes the plan. Read more: The medial branch nerves and what they supply.
No, and that is by design, not a flaw. The treated nerves grow back over months to a couple of years. The procedure can be repeated when they do. Nothing is removed and nothing is fused, so the treatment does not close off other options. Read more: Radiofrequency ablation for back and neck pain.
No. Facet injections, medial branch blocks and facet radiofrequency ablation are all done under local numbing with no sedation. You stay awake and can respond. That is essential for a test block, since the test depends on you reporting exactly what changed. Most patients drive themselves home and are back to normal activity, including work, within two to four hours. Read more: What to expect at your first appointment.
Often. It is one of the main reasons back pain gets treated without success. Facet pain was found in 21 percent of patients with low back pain alone, against 41 percent of those with pain in several spine regions. Several pain sources at once is normal, not the exception. The work is finding which one causes which part of your pain. Read more: Chronic low back pain rarely travels alone.
It targets the cause, which is more than most treatments do. In community CT data, facet joint arthritis was nearly three times as common in the obese group. These are weight-bearing joints. Their cartilage responds to both load and inflammation. Weight and metabolic health are treated here as part of spine care, not as somebody else’s problem. Read more: Visceral fat and metabolic inflammation.
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