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Dr M.D.S. SasidharanSpine Surgeon · Chennai

Scoliosis

Adult Scoliosis After 40: Why Your Back Is Curving Now

10 May 2026 · 4 min read

Almost everything written about scoliosis is about children. So when an adult in their fifties is told their spine is curving, it is confusing — they never had scoliosis as a child, so where did this come from?

This is degenerative (adult-onset) scoliosis, and it is a different condition from the adolescent kind, despite sharing the name.

Why it happens

Adolescent scoliosis is a growth problem: the spine grows unevenly during the teenage years.

Adult degenerative scoliosis is a wear problem. Over decades, discs and facet joints degenerate — and they rarely degenerate evenly. If one side of a disc collapses more than the other, that level tilts. Repeat that over several levels and the spine gradually curves.

So it does not appear suddenly. It develops silently over years, and is often only noticed when it starts causing symptoms.

Why the symptoms are completely different

This is the crucial distinction, and it changes everything about treatment.

A teenager with scoliosis typically has no pain. The concern is the curve itself — its appearance and its progression.

An adult with degenerative scoliosis usually comes in because of pain, not because of the curve. And most often, the dominant complaint is not even back pain — it is leg pain, or difficulty walking.

The reason: as the spine collapses and rotates, the exit tunnels for the nerves get squeezed. The result looks a lot like spinal stenosis:

  • Pain, heaviness or cramping in the legs when walking
  • Relief on sitting down, or on leaning forward (over a shopping trolley, for instance)
  • A steadily shrinking walking distance
  • Sometimes numbness or weakness
  • A sense of leaning forward or to one side, or of being unable to stand up straight

Many adults with this condition are treated for months as "just arthritis" or "just age" without anyone recognising the curve driving it.

How it is treated

Here the difference from childhood scoliosis becomes stark. In an adult, we are usually not trying to straighten the spine for its own sake. We are trying to relieve the nerve compression that is stopping you walking.

Non-surgical care first. Physiotherapy focused on core strength and posture, activity modification, weight management, and treating the osteoporosis that so often accompanies this. Many adults with degenerative curves are managed successfully without any surgery.

Targeted injections. Can relieve nerve pain and can also confirm which level is the culprit.

Limited decompression. If one or two levels are responsible for the leg symptoms and the curve is not severe or progressing, the pressure can sometimes be relieved on those levels alone — sometimes endoscopically — without correcting the whole deformity. Smaller operation, faster recovery, much lower risk. Where it is appropriate, this is by far the best deal available.

Deformity correction. Reserved for larger, progressing or unbalanced curves — particularly where you can no longer stand upright. This is major surgery, and in an older patient with osteoporosis and other medical conditions the risks are real and must be weighed honestly.

The realistic goal

For most adults, the aim is not a perfectly straight spine on an X-ray. It is to walk further, hurt less, and stay independent.

Any surgeon proposing a large deformity correction in an older adult should be able to explain clearly why a smaller, targeted operation will not achieve those goals — because for many patients, it will.

Concerned about back or neck pain? Dr. M.D.S. Sasidharan offers endoscopic, minimally invasive and non-fusion spine care at Iswarya Hospital, OMR, Chennai. Book a consultation to find out whether you can avoid surgery altogether.

Frequently Asked Questions

Is adult scoliosis the same as childhood scoliosis?

No. Adolescent scoliosis is a growth problem and is usually painless. Adult degenerative scoliosis is caused by uneven wear of the discs and joints over decades, and typically presents with leg pain and difficulty walking rather than concern about the curve itself. They are treated quite differently.

Will my adult scoliosis keep getting worse?

Degenerative curves can progress slowly over years, though many remain stable. Progression is monitored with periodic X-rays. Importantly, the size of the curve matters far less than the symptoms — many people with visible curves walk comfortably and need no surgery at all.

Do I need a big fusion for adult scoliosis?

Often not. If leg pain from nerve compression is the main problem and the curve is stable, a limited decompression of the responsible level — sometimes endoscopically — can relieve symptoms without correcting the whole deformity. Full deformity correction is reserved for large, progressing or unbalanced curves.

Take the first step toward a pain-free spine

Book a consultation with Dr. M.D.S. Sasidharan in Chennai for an expert, evidence-based assessment.