The overwhelming majority of back pain is mechanical, benign, and responds well to conservative care. But a small percentage is a symptom of something that needs urgent medical attention, and the difference is not always obvious from how much it hurts. Severity is a poor guide. Pattern is a good one.
This is the article I would rather you read and never need. If anything here describes you, do not book an appointment with us — go to an emergency department.
Go to Hospital Now
Loss of bowel or bladder control. New incontinence, or being unable to urinate when you need to. This is the single most important red flag on the list.
Numbness in the saddle region — the inner thighs, groin, and buttocks, the area that would contact a saddle. Often described as the sensation of sitting on a folded towel, or numbness when wiping.
Progressive weakness in both legs, or a foot that has started dragging.
These three together suggest cauda equina syndrome, compression of the nerve bundle at the base of the spinal cord. It is rare, and it is a surgical emergency measured in hours. Permanent bladder, bowel and sexual dysfunction is the cost of delay. If you have these symptoms, stop reading and go.
Get Medical Assessment Promptly
Back pain with fever or unexplained weight loss. Raises the possibility of spinal infection or malignancy, particularly with a history of cancer, immunosuppression, IV drug use, or recent infection.
Pain following significant trauma — a fall from height, a serious car accident — especially in anyone with osteoporosis, where a fracture can occur with much less force.
Night pain that is unrelieved by any position. Mechanical pain almost always has a position that eases it. Pain that is relentless regardless of posture, and consistently wakes you, deserves investigation.
Pain with a throbbing abdominal sensation, particularly in older patients with cardiovascular risk factors, which can indicate an abdominal aortic aneurysm.
Sudden severe pain in someone with osteoporosis, which may be a compression fracture.
New back pain in anyone with a history of cancer, full stop. This warrants imaging before manual treatment.
Concerning but Usually Not an Emergency
These need assessment soon rather than immediately, and they change what treatment is appropriate:
- Numbness, tingling, or weakness in one leg or arm, particularly if it is worsening
- Pain radiating below the knee that is getting more intense over days — see sciatica
- Any neurological symptom that is progressing rather than stable
These often turn out to be disc problems that respond well to conservative care — but they should be examined before anyone adjusts you, and sometimes imaged first.
What Reassuring Back Pain Looks Like
For context, here is the profile of the ordinary mechanical back pain that makes up most cases: it changes with position and movement, it has a position that relieves it, it started after an identifiable activity or an awkward movement, there are no neurological symptoms, you are otherwise systemically well, and it is trending better over days to weeks. That picture is the norm, and it does well with conservative treatment.
Why We Screen for This Every Time
Every new patient at our office is screened for these red flags before any treatment, and it is repeated if the picture changes. That is not defensive paperwork — it is the part of the job that determines whether the patient is in the right room at all. When something needs imaging or a specialist, we arrange it through our referral network rather than treating around it.
A provider who never refers out is not seeing clearly. Being told "this is not something I should treat" is a service, not a failure.
Not Sure Which Category You Are In?
If you are uncertain, err toward being assessed. Contact Bromberg Chiropractic in Cambridge and describe your symptoms — we will tell you honestly whether you should be coming to see us or going somewhere else first.
