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Does Missouri Workers’ Comp Cover Chronic Pain from Old Injuries?

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Still in pain from a past work injury? Learn if Missouri workers’ comp covers chronic pain and how to reopen your claim for treatment and benefits.

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chronic knee pain

Chronic pain can linger long after a workplace injury. For many Missouri workers, the pain doesn’t stop when the initial treatment ends—it becomes a daily struggle. If you’re still hurting from an old work injury, you might wonder: Does Missouri workers’ compensation still apply? Can you reopen your case and get additional benefits?

The short answer is: Yes, under certain conditions, Missouri workers’ comp can cover chronic pain related to past injuries. But you’ll need strong evidence—and likely an experienced workers’ compensation attorney—to make your case.

What Is Chronic Pain—and Why It’s So Common After Workplace Injuries

Chronic pain is pain that lasts for more than three to six months. Unlike acute pain, which signals a temporary issue, chronic pain can persist indefinitely and often stems from:

In many cases, pain may flare up months or even years after the initial injury, especially if the work injury involved joints, nerves, or high-impact trauma.

Can You Reopen a Workers’ Comp Claim for Chronic Pain in Missouri?

Yes—Missouri law allows workers to reopen a claim if there has been a change in medical condition. According to Section 287.470 of the Missouri Revised Statutes, you may reopen a case within 12 months of the last payment, or within 24 months if weekly payments are being made.

You’ll need:

  • Medical evidence of a worsening condition or chronic symptoms
  • Proof that your chronic pain is directly tied to your prior work injury
  • A clear timeline that supports the relationship between your original claim and current symptoms

If your case was previously settled with a final award or a full and final settlement, your ability to reopen may be limited—but not always impossible.

Benefits That May Be Available for Chronic Pain

If your chronic pain is found to be related to a work injury, you may qualify for:

  • Medical Treatment: Pain management, physical therapy, injections, medication, and more.
  • Temporary Total Disability (TTD): If pain prevents you from working temporarily.
  • Permanent Partial Disability (PPD): If pain results in a permanent impairment but you can still work.
  • Permanent Total Disability (PTD): If pain is so severe that you can no longer perform any work.

Missouri uses a scheduled loss system to calculate PPD based on the injured body part, the percentage of disability, and your average weekly wage.

How to Prove Your Chronic Pain Is Work-Related

Insurance companies often challenge chronic pain claims, labeling them as “subjective” or unrelated to the original injury. To fight back, you need to:

  • Document pain episodes and how they interfere with your work and daily life
  • Obtain updated medical evaluations linking current symptoms to the old injury
  • Seek an Independent Medical Examination (IME) if the insurer disputes your condition
  • Avoid gaps in treatment, which insurers often use to deny claims

A skilled Missouri workers’ comp attorney can help connect the dots between your past injury and present pain, especially when employers try to deflect blame.

Why Chronic Pain Claims Are Often Denied

Common reasons your chronic pain claim might be denied:

  • Your employer claims the injury has “healed.”
  • The insurer says your pain is due to natural aging or a new injury.
  • You’ve previously settled your claim without future medical coverage.
  • There’s a lack of current medical evidence linking your condition to the old injury.

These challenges don’t mean you’re out of options—but they do mean you need a strong legal strategy.

Chronic Back Pain After a Lifting Injury

Imagine this: a warehouse worker in St. Louis suffers a back injury from lifting heavy equipment. The worker files a claim, receives treatment, and returns to work—but a few years later, the pain returns with a vengeance.

After an MRI shows disc damage and a pain management specialist confirms the link to the original injury, the worker reopens the case. With the help of a workers’ comp attorney, the worker secures additional medical treatment and partial wage replacement.

This scenario isn’t rare—and it highlights the importance of acting quickly.

man hurting back while lifting boxes at work
  1. Visit a doctor—preferably one with experience in chronic pain.
  2. Document everything: medical visits, symptoms, work limitations.
  3. Call a Missouri workers’ compensation attorney immediately to explore your options.

Missouri law offers protections, but you must act within strict time limits to preserve your right to benefits.

Why Injured Workers Across Missouri Choose James M. Hoffmann

For over 30 years, the Law Office of James M. Hoffmann has helped injured Missouri workers fight for the full benefits they deserve—even when dealing with chronic pain from old injuries.

We’ve secured over $100 million in compensation, and we don’t back down from insurance companies or employers trying to avoid responsibility.

What makes us different?

  • Direct attorney-led representation
  • No junior associates or case managers standing in the way
  • Aggressive negotiation to reopen denied or closed cases
  • A proven record in complex, long-term injury claims

Still in Pain? Let Us Help.

You may still qualify for medical care and wage benefits—even years after your original injury.

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30 YEARS EXPERIENCE

OVER $100 MILLION COLLECTED

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Updated: June 9, 2025
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