Degenerative Disc Disease: Is Back Pain Just Aging?

Back pain is one of the leading causes of disability worldwide. While occasional back pain is common, persistent or recurring symptoms may be associated with underlying changes in the spine.

In our previous articles, we explored the basic anatomy of the spine and introduced common spine conditions. Building on that foundation, this article explains degenerative disc disease (DDD) one of the most common age-related changes affecting the spine, including its causes, symptoms, diagnosis, and treatment options.

Despite its name, degenerative disc disease is not an infectious or systemic disease. Instead, it is a term used to describe the natural age-related and degenerative changes within the spinal discs. Although these changes are common, they do not always cause pain or require treatment (1).

What Is Degenerative Disc Disease?

The spine is made up of a series of vertebrae separated by intervertebral discs, which act as cushions that absorb shock and allow smooth movement.

Each disc consists of a tough outer layer (annulus fibrosus) surrounding a soft, gel-like center (nucleus pulposus). As we age, the discs gradually lose water content, become thinner, and may develop small tears, reducing their ability to absorb everyday forces placed on the spine.

This gradual process is referred to as degenerative disc disease (DDD). Although it is a common part of aging, symptoms develop only when these changes begin to affect nearby joints, ligaments, or spinal nerves.

Age-related disc degeneration becomes increasingly common after the age of 40, yet many individuals have disc degeneration visible on imaging without experiencing any symptoms (2).

Figure 1. How a spinal disc changes over time from a healthy, well-hydrated disc to progressive degeneration.

Progressive stages of intervertebral disc degeneration. As discs age, they gradually lose hydration and height, reducing their ability to absorb shock and support normal spinal movement.

Common Symptoms

Symptoms vary from person to person and may develop gradually or occur during flare-ups.

Local symptoms

• Persistent low back or neck pain 

• Morning stiffness or stiffness after periods of inactivity 

• Pain that worsens with prolonged sitting 

• Increased discomfort during bending, lifting, or twisting 

Associated symptoms

• Muscle spasms 

• Pain that changes with movement, activity, or body position

• Pain that may radiate into the buttocks, thighs, or arms if nearby nerves become irritated (3, 4) 

Causes and Risk Factors

Disc degeneration is a natural part of aging, but several factors may accelerate the process or increase the likelihood of developing symptoms.

Common Causes	Risk Factors
Natural age-related changes	Smoking
Gradual loss of disc hydration	Excess body weight
Repetitive mechanical stress	Repetitive lifting or vibration
Previous spinal injury	Family history
Normal wear during daily activities	Poor physical conditioning

Maintaining a healthy weight, staying physically active, and avoiding smoking may help support long-term spine health (5) .

How Is Degenerative Disc Disease Diagnosed?

Diagnosis begins with a review of symptoms, medical history, and a physical examination. Healthcare providers assess spinal movement, muscle strength, sensation, reflexes, and signs of nerve involvement while also evaluating for other conditions such as herniated discs, spinal stenosis, facet joint disorders, and sacroiliac (SI) joint dysfunction, which can produce similar symptoms.

Depending on the clinical findings, imaging studies may include:

• X-rays to assess spinal alignment and disc height 

• Magnetic Resonance Imaging (MRI) to evaluate the discs, nerves, and surrounding soft tissues 

• Computed Tomography (CT) in selected cases where additional detail of the bones is required. To learn more about CT imaging in spine care, read our article on CT scans of the spine (6) . 

Treatment Options

Treatment focuses on relieving pain, improving function, maintaining mobility, and helping individuals return to their normal daily activities. Most individuals with degenerative disc disease improve without surgery, and treatment usually begins with conservative measures.

Non-surgical Treatment

Treatment may include:

• Physical therapy 

• Activity modification while remaining active 

• Anti-inflammatory or pain-relieving medications, when appropriate 

• Weight management and smoking cessation 

• Image-guided spinal injections for selected patients 

  
  

Surgical Treatment

Surgery is generally considered only when symptoms persist despite appropriate conservative treatment or when significant nerve compression causes progressive weakness or loss of function.

Depending on the underlying condition, surgical treatment may involve decompression, spinal fusion, or, in carefully selected patients, artificial disc replacement. The goal is to relieve symptoms, restore function, and preserve healthy spinal anatomy whenever possible.

Everyday Tips for Managing Symptoms

Many individuals with degenerative disc disease continue to lead active and independent lives. During symptom flare-ups, the following strategies may help reduce stress on the spine:

• Avoid prolonged sitting without changing position regularly. 

• Use proper lifting techniques and avoid lifting heavy objects without assistance. 

• Limit repetitive bending, twisting, or high-impact activities during symptom flare-ups. 

• Stay active with low-impact exercises such as walking, swimming, or cycling, as recommended by a healthcare professional. 

• Maintain good posture during daily activities. 

• Follow an exercise program recommended by your healthcare provider or physical therapist. 

Common Misconception

Myth: Degenerative disc disease means the spine is "wearing out."

Fact: Degenerative disc disease describes common age-related changes within the spinal discs. Many people have these changes without symptoms, and treatment decisions are based on a person's symptoms, physical examination, and imaging findings not imaging alone.

Explore more articles from the LESS Society to learn about common spine conditions, symptoms, diagnosis, treatment options, and advances in spine care.

This article is intended for educational purposes only and should not be considered a substitute for professional medical advice, diagnosis, or treatment.

Frequently Asked Questions

Q1. Is degenerative disc disease the same as a herniated disc?

A1. No. Degenerative disc disease refers to age-related changes within the spinal discs, whereas a herniated disc occurs when part of the disc protrudes through its outer layer. Although degeneration can increase the risk of herniation, the two conditions are different.

Q2. Can degenerative disc disease be reversed?

A2. The structural changes within the discs cannot be reversed. However, symptoms can often be effectively managed through physical therapy, exercise, lifestyle modifications, medications, and other conservative treatments.

Q3. Does degenerative disc disease always require surgery?

A3. No. Most individuals improve with non-surgical treatment. Surgery is reserved for patients whose symptoms do not improve with conservative care or who develop significant nerve compression or neurological deficits.

References

1. Choi YS. Pathophysiology of degenerative disc disease. Asian Spine J. 2009;3(1):39–44.

2. Taher F, Essig D, Lebl DR, Hughes AP, Sama AA, Cammisa FP, et al. Lumbar degenerative disc disease: current and future concepts of diagnosis and management. Adv Orthop. 2012;2012:970752.

3. Kos N, Gradisnik L, Velnar T. A Brief Review of the Degenerative Intervertebral Disc Disease. Med Arch. 2019;73(6):421–4.

4. Modic MT. Degenerative disc disease and back pain. Magn Reson Imaging Clin N Am. 1999;7(3):481–91, viii.

5. Battie MC, Videman T, Parent E. Lumbar disc degeneration: epidemiology and genetic influences. Spine (Phila Pa 1976). 2004;29(23):2679–90.

6. Hasz MW. Diagnostic testing for degenerative disc disease. Adv Orthop. 2012;2012:413913.