Is it safe to have your spine adjusted if you have a disc problem?
Current evidence says yes. A large 2026 study of nearly 70,000 adults with a lumbar disc herniation, spinal stenosis or radiculopathy found no increased risk of the most feared complication — cauda equina syndrome — in people who received chiropractic spinal manipulation compared with those who did a physiotherapist-led exercise programme.
That is a meaningful finding, because "I've been told not to let anyone touch my back" is one of the most common things we hear from patients who arrive with a disc diagnosis on an MRI report.
What is cauda equina syndrome?
Cauda equina syndrome is a rare emergency in which the bundle of nerve roots at the base of the spinal cord becomes compressed. It causes symptoms such as numbness around the saddle area, loss of bladder or bowel control, and progressive weakness in both legs. It needs urgent surgical assessment.
Because it is so serious, isolated case reports linking it to spinal manipulation have circulated for decades and shaped a lot of public opinion. What has been missing is data on how often it actually happens across large populations.
What did the 2026 study actually find?
The researchers matched patients receiving chiropractic spinal manipulation against a comparable group receiving physiotherapist-led exercise — a treatment nobody considers risky — and then tracked how many went on to develop cauda equina syndrome.
The estimated risk was 0.88 cases per 100,000 patients in the manipulation group and 0.44 per 100,000 in the exercise group. Those numbers are statistically comparable and both are vanishingly small. The authors' conclusion was direct: among adults with lumbar disc herniation, stenosis or radiculopathy, they did not identify an association between spinal manipulative therapy and an increased risk of cauda equina syndrome.
A separate 2025 review written for spine surgeons reached a similar practical position, describing spinal manipulation as an evidence-based conservative option across acute, subacute and chronic low back pain, particularly as part of multimodal care.
Why does this matter if you have sciatica or a bulging disc?
It matters because fear changes behaviour. People who believe their spine is fragile tend to move less, brace more and delay care — and all three of those things are associated with slower recovery from back pain.
Disc changes are also far more common than most people realise. Bulges and degenerative changes turn up regularly on scans of people with no symptoms at all. A finding on an image is one piece of information, not a verdict on what your spine can tolerate.
Are there warning signs I should still watch for?
Yes, and every patient with leg symptoms should know them. Seek urgent medical attention the same day if you develop numbness in the groin or saddle area, difficulty starting or controlling urination, loss of bowel control, or rapidly worsening weakness in both legs.
These signs are rare, and they are not caused by treatment — they are features of the underlying condition. Knowing them means you can act quickly if anything changes, which is exactly what we want.
Does this mean manipulation is right for everyone?
No, and it would be a poor reading of the research to claim otherwise. "Not associated with increased risk" is not the same as "appropriate for every patient". Some presentations genuinely call for a different technique, a different practitioner, or imaging and medical referral before anything hands-on happens.
That judgement is what an examination is for. A competent assessment should end with a clear explanation of what we think is going on, what we propose to do, and what would make us change course or refer you on.
What does good care for a disc problem look like?
A thorough history and neurological examination first, so we know what we are dealing with and whether onward referral is needed. Then a plan that usually combines hands-on care with graded movement, load management and clear advice about what to do between visits.
Manipulation is one tool among several. What consistently produces the best outcomes in the research is a combined approach, delivered by someone who has examined you properly and reassessed as you progress.
Expect the plan to change as you improve. Early on the priority is usually settling symptoms and restoring confident movement; later it shifts towards building capacity so the same problem is less likely to return. If nothing is changing after a reasonable trial of care, that should prompt a rethink rather than more of the same.
Book an assessment
If a scan result or something you read online has left you nervous about your back, a comprehensive assessment is the fastest way to replace uncertainty with a plan. Contact the clinic to arrange an appointment and we will talk you through what is going on and what your options are.
Sources
Trager RJ, Baumann AN, Perfecto RP, Goertz CM. Chiropractic spinal manipulative therapy versus physical therapist-led exercise and the risk of cauda equina syndrome in adults with lumbar disc herniation, stenosis, or radiculopathy. PM&R. 2026. onlinelibrary.wiley.com/doi/full/10.1002/pmrj.70071
Basques BA, Ma S, Sadh P, Daniels AH, Perez-Albela A. Chiropractic care and spinal manipulation: evidence, risks, and referral considerations for spine surgeons. JBJS Rev. 2025 Dec 16;13(12). pubmed.ncbi.nlm.nih.gov/41401259
Bertelsman T. Top 10 New Chiropractic Research Studies of 2026. ChiroUp, June 2026. chiroup.com/blog/top-10-new-chiropractic-research-studies-of-2026