Symptoms, Causes & When Surgery Is the Right Choice

Many people associate scoliosis with teenagers — the awkward school screening, the doctor with the scoliometer, the worried parent. But scoliosis doesn’t always stay in adolescence. For millions of adults, it either persists from childhood or develops for the first time after age 40. And unlike the mild curves that are often watched and managed in teens, adult scoliosis can cause real, daily suffering: back pain that never fully goes away, difficulty standing upright, and a gradual loss of the activities you love.

If you’ve been told you have adult scoliosis — or if your back pain just hasn’t added up — this guide will help you understand what you’re dealing with and when it might be time to seriously consider surgery.

What Is Adult Scoliosis?

Scoliosis is an abnormal sideways curvature of the spine, typically measuring 10 degrees or more on an X-ray. In adults, it comes in two main forms:

Adolescent idiopathic scoliosis (AIS) that has progressed into adulthood. If you were diagnosed with scoliosis as a child or teenager and weren’t treated — or were treated but still have a residual curve — that curve can continue to worsen over time, especially after age 40.

De novo (degenerative) scoliosis. This type develops in adulthood, usually after age 50, as the discs and joints of the spine wear down unevenly. It tends to affect the lower back and is one of the most common causes of new-onset back and leg pain in older adults.

Both types can significantly impact quality of life — and both deserve proper evaluation, not just reassurance that “it’s just getting older.”

Symptoms to Watch For

Adult scoliosis doesn’t always look the way people expect. You might not have a visible hump or dramatic lean. Instead, the signs are often subtler and easy to dismiss:

Persistent lower back pain, especially after standing or walking
Leg pain, numbness, or tingling (caused by nerve compression as the spine curves and shifts)
Difficulty standing upright — you may find yourself leaning on a shopping cart or countertop for relief
Uneven hips or shoulders that have gradually shifted
Fatigue from the effort of compensating for poor spinal alignment
A feeling that you’re getting shorter — a curve can cause measurable height loss over years

If any of these sound familiar, don’t wait. Adult scoliosis tends to worsen gradually, and earlier intervention — even if non-surgical — almost always leads to better outcomes.

What Causes Adult Scoliosis?

For degenerative scoliosis, the root cause is the cumulative wear and tear of aging. As the intervertebral discs lose height and the facet joints degenerate asymmetrically, the spine begins to tilt and rotate. Factors that accelerate this process include:

Osteoporosis — weakened bones are more vulnerable to collapse and deformity
Prior spinal surgeries — adjacent segment disease can cause curves to develop or worsen above or below a fusion
Genetics — a family history of spine problems raises your risk
Obesity — excess weight adds stress to an already compromised spine

Understanding the underlying cause matters enormously when planning treatment. A one-size-fits-all approach simply doesn’t work for adult spinal deformity.

When Is Surgery the Right Choice?

Most patients with adult scoliosis don’t need surgery immediately — and many do very well with physical therapy, core strengthening, anti-inflammatory medications, or targeted injections. But there are clear signals that surgery deserves serious consideration:

Your symptoms are severe and not improving. If conservative treatment has been tried for three to six months without meaningful relief, surgery may offer the reset your spine needs.
Your curve is progressing. If serial X-rays show your curve is getting worse — particularly past 50 degrees — waiting tends to mean a more complex operation later.
You have significant nerve compression. Leg weakness, loss of bladder or bowel function, or severe radicular pain that doesn’t respond to injections often requires surgical decompression.
Your posture has collapsed. Patients who can no longer stand upright — who stoop forward or lean to one side — often experience dramatic improvements in function and quality of life after realignment surgery.
Your quality of life has declined significantly. This is underappreciated but crucial. Research consistently shows that adult scoliosis patients who undergo well-planned surgery report outcomes comparable to hip and knee replacement in terms of life improvement.

Surgery for adult spinal deformity has advanced enormously. With the integration of robotics, AI-driven surgical planning, and custom implants, outcomes are more predictable and recovery more manageable than ever before.

Taking the Next Step

If you’re living with back pain, difficulty walking, or a progressive curve, you deserve a thorough evaluation — not a dismissive “come back if it gets worse.”

Dr. Zeeshan Sardar is a scoliosis and spinal deformity specialist at NewYork-Presbyterian / Columbia University Medical Center in New York City. He specializes in the full spectrum of adult spinal deformity — from observation and conservative management to complex reconstructive surgery — and takes time to understand each patient’s goals before recommending any treatment.

To schedule a consultation, visit sardarspine.com or call our office directly. You don’t have to just live with it.

Dr. Zeeshan Sardar, MD, MS, is an orthopedic spine surgeon specializing in scoliosis, kyphosis, and complex spinal deformity at NewYork-Presbyterian Hospital / Columbia University Irving Medical Center in New York City.