Chronic lower back pain may stem from several structural causes—including annular tears, degenerative disc disease, and herniated discs—and may persist even after standard conservative care. For many patients, non-surgical regenerative options such as intra-annular fibrin injection offer a pathway to meaningful relief; candidacy and outcomes are always evaluated individually.

If you have been living with lower back pain for months or years, you are not alone. Back pain is among the leading causes of disability worldwide, limiting work, hobbies, and daily function for countless people. What begins as a dull ache can evolve into a constant presence that shapes every part of your life. At Valor Spine, we understand that frustration—especially when standard treatments have delivered only temporary relief. Advances in regenerative medicine are opening new, non-surgical paths forward, and understanding the root causes of your pain is the essential first step.

Understanding Chronic Lower Back Pain

Clinically, pain is considered chronic when it persists for twelve weeks or longer, even after an initial injury or underlying cause has been addressed. Unlike acute pain that often resolves on its own, chronic pain can become self-sustaining, influencing sleep, mood, and overall well-being.

The lumbar spine is a complex, load-bearing structure composed of vertebrae, intervertebral discs, facet joints, ligaments, muscles, and a network of nerves. It bears the weight of the upper body while allowing a wide range of motion. Given the constant mechanical demand placed on it, the lumbar spine is a common site for both injury and age-related change. Identifying exactly which structures are generating pain is critical to choosing an effective treatment strategy.

Common Causes of Chronic Lower Back Pain

Chronic lower back pain rarely has a single cause. It often results from a combination of structural changes, movement patterns, and biological factors. Below are the most frequently identified contributors.

Degenerative Disc Disease

Degenerative disc disease (DDD) describes the gradual breakdown of the intervertebral discs that cushion the vertebrae. Over time, discs lose water content, become thinner, and may develop small internal cracks. This process reduces the disc’s ability to absorb shock and can create instability. While DDD is a natural part of aging and does not cause pain in every case, for many patients it is a significant and ongoing source of discogenic pain. Early evaluation can help determine whether disc degeneration is contributing to your specific symptoms.

For a broader look at related lumbar conditions, see our guide on 10 common lumbar spine conditions causing low back pain.

Annular Tears

Annular tears are among the most underdiagnosed causes of chronic lower back pain. The annulus fibrosus is the tough outer shell of the intervertebral disc. When this shell develops tears—whether from a single injury, repetitive loading, or gradual degeneration—the outer layers, which are richly supplied with pain-sensitive nerve fibers, can become a direct source of persistent, deep, discogenic pain.

Compounding the diagnostic challenge, annular tears are often invisible on standard MRI unless specialized sequences are used. Many patients receive a near-normal MRI report yet continue to suffer significant pain; in some of these cases, internal annular tears are the unidentified source. Precise diagnostic evaluation is therefore essential.

Learn more in our detailed resource: annular tear causing chronic lower back pain.

Herniated or Bulging Discs

A bulging disc occurs when the disc extends beyond its normal boundary without breaking open. A herniated disc involves the inner, gel-like nucleus pushing through a tear in the annulus. Both conditions can compress nearby spinal nerves, potentially producing pain, numbness, or weakness that radiates into the buttock or leg—a pattern often called sciatica. Not every bulge or herniation causes symptoms, but when nerve compression is present, the pain can be severe and disabling.

For a clear comparison of these two conditions, see: bulging disc vs herniated disc—understanding your pain and finding lasting relief.

Spinal Stenosis

Spinal stenosis refers to narrowing of the spinal canal or the small openings through which nerve roots exit the spine. Bone spurs, thickened ligaments, or disc herniation can each contribute to this narrowing, compressing the spinal cord or nerve roots. Symptoms often include pain, heaviness, or cramping in the legs that worsens with walking and tends to ease when sitting or bending forward. Our overview of 10 common symptoms of spinal stenosis may help clarify whether this is a factor in your case.

Facet Joint Dysfunction

The facet joints are paired joints at the back of each vertebral level that guide and limit spinal movement. Arthritis, injury, or degeneration of these joints can produce localized back pain that is often aggravated by extension or rotation of the spine. Facet pain frequently coexists with disc pathology, making a thorough diagnostic workup important for directing targeted treatment.

Why Many Standard Treatments Fall Short

Patients living with chronic lower back pain often cycle through multiple treatments before finding meaningful relief. Understanding the limitations of common approaches helps explain why that cycle occurs—and why addressing the underlying structural source matters.

Pain Medication

Over-the-counter analgesics, muscle relaxants, and prescription opioids may help manage acute flare-ups, but they do not address the structural cause of pain. Long-term reliance on pain medication carries risks including side effects, tolerance, and potential dependency—without promoting any healing of the affected disc or joint.

Physical Therapy

Physical therapy is a valuable component of spine care, improving core strength, flexibility, and movement patterns. For many patients it reduces pain and prevents worsening. However, when the underlying issue is a structural problem such as a significant annular tear or advanced disc degeneration, physical therapy alone may not be sufficient to resolve the root source of pain. It tends to be most effective as part of a comprehensive treatment plan rather than as a standalone solution for structural disc pathology.

Epidural Steroid Injections

Epidural steroid injections (ESIs) deliver corticosteroids into the space around the spinal nerves to reduce inflammation. They can provide short-term relief for nerve-related pain in some patients. Evidence suggests their benefit is often temporary—lasting weeks to months—and does not promote structural healing. Repeated injections carry risks including tissue atrophy and bone density loss. For many patients with discogenic pain from annular tears, ESIs address inflammation but leave the underlying tear unrepaired.

Our comparison article explores this in more depth: epidural steroid injections vs annular tear repair—a long-term perspective.

Spinal Surgery

Surgery can be appropriate and beneficial for specific conditions such as severe spinal instability, progressive neurological deficits, or cauda equina syndrome. For chronic discogenic pain, however, surgical outcomes vary considerably. Failed Back Surgery Syndrome—continued or worsened pain following a spinal procedure—affects a meaningful subset of surgical patients. Candidates are evaluated individually; many patients benefit from exploring non-surgical options before committing to surgery. Recovery from spinal fusion may take months, and some patients ultimately require revision procedures.

See also: 5 things to know about avoiding failed back surgery by trying regenerative disc repair first and 5 signs to get a second opinion before spinal fusion.

A Regenerative Approach: Non-Surgical Disc Treatment

Regenerative spine care focuses on addressing the structural source of pain rather than simply masking symptoms. For chronic lower back pain rooted in disc pathology, our clinical team at Valor Spine uses advanced biologic techniques designed to promote healing within the disc itself.

We recognize that no single approach works for every presentation. Our philosophy is built on precise diagnostics first—identifying the specific pain generator—then applying targeted, minimally invasive treatment. This individualized process is what distinguishes regenerative care from broad, symptom-focused interventions.

Intra-Annular Fibrin Injection: Biologic Disc Repair

For patients with discogenic pain from annular tears and degenerative disc disease, intra-annular fibrin injection—also referred to as the fibrin procedure, fibrin disc treatment, or annular tear repair—represents one of the most advanced non-surgical options available. Rather than removing or fusing spinal structures, this biologic disc repair approach works with the body’s own healing processes.

How the Procedure Works

During the procedure, our clinical team delivers a specially prepared fibrin biologic directly into the affected disc under precise fluoroscopic (real-time X-ray) guidance. Fibrin is the same protein the body uses in natural wound healing and blood clotting. Once injected, it forms a scaffold within the disc that may help seal annular tears, reduce leakage of inflammatory nucleus material, and support the regenerative repair of damaged tissue. By targeting the structural source of pain signals, biologic disc repair aims to reduce pain at its origin rather than merely dulling its perception.

For a detailed explanation of how this works, visit: demystifying fibrin disc treatment—a non-surgical solution for disc pain.

What to Expect: Procedure and Recovery

The intra-annular fibrin injection is performed on an outpatient basis. Most patients return home the same day. Following the procedure, a structured recovery period with reduced activity is typically recommended to allow the fibrin scaffold to integrate and healing to begin. Our clinical team works with each patient to develop a graduated return-to-activity plan, which often incorporates physical therapy to support and maintain long-term results. Recovery timelines vary by individual.

Learn more about the recovery process: 5 things to know about recovery after spine treatment.

Clinical Evidence

Published clinical data on the fibrin procedure has shown meaningful reductions in pain scores and improvements in function sustained over two years of follow-up in many study participants. Patient-reported satisfaction has been positive across multiple cohorts, including in patients who had not achieved adequate relief from prior surgical procedures. Outcomes vary by individual, and our team reviews the evidence with each candidate during consultation to ensure realistic expectations.

See the supporting data overview: breakthrough long-term data confirms efficacy of biologic disc repair for lumbar pain.

Expert Take

Biologic disc repair with intra-annular fibrin injection targets the annular tear directly—the structure that, in many patients, is the actual pain generator. By creating a healing scaffold within the disc rather than removing or fusing it, this approach may reduce pain while preserving native spinal motion. Candidacy depends on precise diagnostic confirmation of discogenic pain, and outcomes vary from patient to patient.

Who May Be a Candidate for Biologic Disc Repair?

Biologic disc repair is not appropriate for every patient with lower back pain. A thorough evaluation is required to determine whether the procedure is the right fit. Patients who may benefit tend to share several characteristics:

• Chronic lower back pain lasting three months or longer that has not responded adequately to conservative care
• MRI or advanced imaging findings consistent with disc degeneration, annular tears, or internal disc disruption
• Pain pattern consistent with discogenic origin (confirmed or suspected through clinical assessment and, in some cases, diagnostic injections)
• A desire to avoid spinal surgery and its associated recovery demands and risks
• Prior surgical patients who did not achieve satisfactory outcomes and are seeking a non-surgical revision alternative

Candidacy is always evaluated on an individual basis. Our consultation process includes a detailed medical history review, physical examination, and careful analysis of imaging studies. In some cases, provocation discography may be recommended to precisely identify pain-generating discs before proceeding.

Use our self-assessment guide to get started: am I a candidate for biologic disc repair—a detailed guide.

Veterans with service-connected disc conditions may have specific coverage pathways worth exploring: biologic disc repair for veterans—a non-surgical option worth evaluating.

Taking the Next Step

Chronic lower back pain is complex, but it does not have to be permanent. For many patients, identifying the structural source—and treating it with targeted biologic therapy—opens a path to meaningful, sustained relief that standard approaches have not provided.

At Valor Spine, our clinical team is committed to individualized evaluation, honest guidance about whether biologic disc repair is appropriate for your specific condition, and a treatment approach centered on healing rather than symptom management. We encourage you to explore your options and ask informed questions before making any treatment decision.

Ready to learn whether non-surgical disc treatment may be right for you? Schedule a consultation with our clinical team to begin the evaluation process.

For additional context on what drives persistent back pain, we recommend: why back pain persists for years—the role of disc damage.