How Previous Injuries Affect a New Injury  Claim

One of the first things the insurance company will look for after a vehicle collision is whether you had any injuries before the crash happened.

Maybe you had back surgery a few years ago. Maybe you’ve been treating a shoulder issue or dealing with chronic neck pain. Whatever it is, the insurance adjuster is going to find it in your medical records.

And they’re going to try to use it against you.

If you’ve been hurt in a car collision and you have a previous injury, don’t assume your claim is over before it starts. A pre-existing condition does not disqualify you from seeking compensation. But it does mean you need to understand how insurance companies handle these situations and what you can do to protect yourself.

Does a Pre-Existing Injury Ruin Your Accident Claim?

No. Having a previous injury does not mean you can’t recover compensation after a vehicle collision. This is a common fear, and insurance companies count on it.

The law recognizes something called the “eggshell plaintiff” rule. This legal principle says that the person who caused your accident must take you as they find you.

If you had a vulnerable back and the crash made it worse, the at-fault driver is responsible for that worsening.

The Key Distinction

  • You can seek compensation for the aggravation of a pre-existing condition.
  • You cannot seek compensation for the pre-existing condition itself.

The accident has to have made things worse. That’s the line. And the insurance company wants to blur the lines.

How Do Insurance Companies Use Previous Injuries Against You?

Insurance adjusters have a playbook for handling claims that involve previous injuries, and they use it aggressively.

  • Claiming your current pain is from the old injury, not the accident. If you had back problems before the crash, they’ll argue the accident didn’t cause anything new.
  • Requesting broad medical releases. They want access to your entire medical history so they can search for anything they can use to minimize your claim.
  • Cherry-picking medical records. They’ll pull out past complaints that sound similar to your current symptoms and use them to argue your injuries aren’t accident-related.
  • Offering low settlements early. They know that if you accept before the full extent of your injuries is clear, they save money.
  • Using your own words against you. If you told the ER doctor “my back has been hurting for years,” expect that quote to show up in the insurance company’s denial letter.

This is a strategy, not an honest evaluation of your claim. The fact that you had a previous injury doesn’t mean the accident didn’t make things significantly worse.

What Does “Aggravation” of a Previous Injury Actually Look Like?

In personal injury cases, aggravation means the latest incident caused your pre-existing condition to get worse than it was before.

Here are some real-world examples:

  • You had a healed back injury that was no longer causing daily pain. After a rear-end collision, the pain returned and now requires surgery.
  • You managed mild arthritis in your knee with occasional over-the-counter medication. After being T-boned at an intersection, you now need physical therapy three times a week.
  • You had a prior concussion that fully resolved. A new head impact in the newest incident causes prolonged cognitive difficulties that didn’t exist before the crash.
  • You had an old rotator cuff tear that healed well. After a side-impact collision, the shoulder is re-injured and now requires surgical repair.

In each of these situations, the at-fault driver is responsible for the difference between where you were before the accident and where you are after it.

That difference is what your claim is about.

Why Medical Documentation Matters More With a Previous Injury

When a pre-existing condition is part of your claim, medical records become the most important piece of evidence you have.

Without clear documentation, the insurance company has room to argue that your current symptoms were already there before the crash.

What Your Records Need to Show

  • The state of your condition before the new injury. Were you stable? Were you in active treatment? Has the issue resolved? Were you back to full activity?
  • What changed after the new injury. New symptoms, increased pain levels, additional treatment needs, or a return of problems that had gone away.
  • A medical opinion connecting the newest incident to the worsening symptoms. Your doctor’s assessment of how the crash affected your prior condition is critical.

Gaps in Treatment Can Hurt Your Case

If you stop going to appointments or delay care, the insurance company will argue your injuries aren’t that serious.

Stay consistent with your treatment plan and be honest with your doctors about your full medical history.

Your doctors are your strongest allies here. When they clearly document the before-and-after of your condition, it becomes much harder for the insurance company to dismiss the impact of the collision.

Should You Disclose Previous Injuries to Your Attorney?

Yes. Every time. Without exception.

Your attorney needs to know about every prior injury, surgery, and ongoing condition. Not so they can hide it – so they can prepare for it.

The insurance company is going to find your medical history. That’s a given.

Trying to hide a previous injury almost always backfires. If the insurance company discovers something you didn’t disclose, it damages your credibility and can weaken your entire claim. Honesty is the stronger position.

What NOT to Do If You Have a Previous Injury and Get in an Accident

  • Don’t downplay your medical history to doctors or your attorney
  • Don’t sign broad medical release forms from the insurance company without talking to an attorney first
  • Don’t give recorded statements about your health history to the other driver’s insurer
  • Don’t accept a low settlement offer because you’re afraid your previous injury will hurt your case
  • Don’t skip medical appointments or physical therapy sessions
  • Don’t post about your injuries or activities on social media

Talk to an Attorney Before You Talk to the Insurance Company

Previous injury cases require more preparation, more documentation, and a deeper understanding of how to present medical evidence. They’re not impossible cases. But they do require someone who knows how to handle the insurance company’s pushback.

At Hess Injury Law, we’ve worked with clients throughout Hermiston and Eastern Oregon who had pre-existing conditions before their accidents. We know how to work with medical providers to clearly document what the crash changed, and we know how to present that evidence in a way that gets fair results.

If you’ve been injured in a vehicle crash and you’re worried that a previous injury will hurt your claim, talk to us before you talk to the insurance company.

Contact Hess Injury Law today to discuss your situation.

Disclaimer: The content of this blog is for informational purposes only and does not constitute legal advice. It should not be relied upon as a substitute for professional legal counsel.

Disclaimer: The content of this blog is for informational purposes only and does not constitute legal advice. It should not be relied upon as a substitute for professional legal counsel.

Author Bio

Peter J. Hess grew up in Walla Walla, Washington. He is a 1996 graduate of Walla Walla High School and a 2000 graduate of the University of Washington, with a B.A. in Business Administration/Information Systems.

Peter graduated from Willamette University College of Law, with honors, in 2007. While at Willamette, he was an Associate Editor of the Willamette Law Review, he was a Teacher’s Assistant for a Legal Research and Writing professor, and he worked as a Personal Injury Law Clerk at Swanson, Lathen, Alexander & McCann in Salem, Oregon. After graduation from Willamette, Peter began working here at Hess Injury Law. In 2012, he became a partner in the firm. He is licensed to practice law in both Washington and Oregon.

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