WHEN INJECTIONS STOP WORKING
Diminishing returns are information. Most people are offered another appointment instead.
The first one helped for months. The second for weeks. The third barely at all. That pattern has a small number of explanations and every one of them changes the plan.
The five reasons, in the order worth checking
- The diagnosis was never confirmed. An injection aimed at a level that no test implicated may have been working through anesthetic spread or expectation. This is the most common explanation and the cheapest to check with a diagnostic block.
- The generator has moved. Spines redistribute load. Treat one level and the one above takes more — the same mechanism that makes adjacent segment pain so common after fusion. The original target may now be the wrong one.
- Central sensitization has taken over. After long enough, the nervous system maintains the pain independently of the original input. No peripheral injection reaches a centrally maintained signal, and more of them will not.
- The terrain is working against it. Steroid landing in a systemically inflamed, insulin-resistant body is being asked to hold against a whole-body process it cannot outrun.
- Nothing filled the window. The relief was real and nothing was built during it, so the tissue that failed was in exactly the same state when the drug wore off.
The fifth one is the most common and the least discussed
Interventional treatment buys a period of quiet. If that period is spent resting rather than reconditioning, the same load meets the same unprepared tissue at the end of it. The procedure did what it could; the plan around it did not exist.
This is why roughly 40 to 50 percent of the protocol here is behavioral and lifestyle work, delivered in-house rather than referred out. It is the part that determines whether relief compounds or resets.
What we do instead of repeating
- Re-examine rather than re-book. Findings change and the last examination may be a year old.
- Confirm or re-confirm the generator with a block, including at adjacent levels.
- Assess honestly for sensitization — widespread tenderness, allodynia, poor sleep, pain out of proportion to load. If that is the picture, more procedures are the wrong tool and we will say so.
- Consider the durable option where facets are confirmed: radiofrequency neurotomy rather than repeated steroid.
- Look at the terrain with actual bloodwork. Why.
On steroid specifically: repeated exposure has cumulative effects on bone density, glucose control and the adrenal axis. Declining benefit plus accumulating exposure is a poor trade, and it is a reason to change course rather than a reason to push through.
On medication, plainly
Many people arrive at this point on rising opioid doses, because the procedures disappointed and something had to fill the gap. Nobody here will make a taper a condition of being assessed, and nobody will treat the dose as a character question. What interventional treatment can do is reduce the input the medication is covering, which is what makes reduction possible where it is wanted.
Common questions
Does this mean nothing will work?
No. It usually means the target is wrong, the mechanism has changed, or the surrounding plan is missing. All three are addressable. A shortening interval between flares is information in its own right.
Should I just have surgery instead?
Only if there is a structural problem an operation actually corrects. Failed injections are not by themselves an indication for surgery. Before you agree.
Is it in my head?
No. Central sensitization is a measurable physiological state, not a psychiatric diagnosis. It responds to a different kind of treatment than a joint does, which is the entire reason for distinguishing it.
Related reading
Flares getting closer together is information, and so is what shortens them.
You get to try a stimulator before committing to it, which is unusual in this field.
Bring the list of what you have had and what each one bought you
The pattern of diminishing returns is diagnostic in itself, and it usually points somewhere specific.
12174 Natural Bridge Rd, Suite 301
St. Louis, MO 63044
At DePaul Hospital on Natural Bridge Road, inside the I-270 and I-70 interchange, on the west side of the airport.
Sources
- Fitzcharles MA et al. Nociplastic pain: towards an understanding of prevalent pain conditions. Lancet (London, England), 2021. PubMed 34062144
- Kaplan CM et al. Deciphering nociplastic pain: clinical features, risk factors and potential mechanisms. Nature reviews. Neurology, 2024. PubMed 38755449
- Volcheck MM et al. Central sensitization, chronic pain, and other symptoms: Better understanding, better management. Cleveland Clinic journal of medicine, 2023. PubMed 37011956
- Velasco E et al. Is chronic pain caused by central sensitization? A review and critical point of view. Neuroscience and biobehavioral reviews, 2024. PubMed 39278607