Getting hurt in an accident is stressful enough without worrying that an old injury has somehow canceled your right to compensation. If your back was already giving you grief, your knee had seen better days, or you had a previous neck injury, you may be wondering: Can I still make a claim after a car accident?
The short answer is yes, having a pre-existing injury doesn’t automatically prevent you from pursuing a personal injury claim. In California, if another person’s negligence makes an existing condition worse, you may be able to recover compensation for the additional harm caused by the accident.
That distinction is important. You generally can’t claim that the other driver caused an injury that existed before the crash. But if the collision took a manageable condition and turned it into something significantly worse, the accident may still be responsible for the difference.
In other words, your spine does not have to be factory-fresh for you to have a claim. At Insider Accident Lawyers, we know that having an injury made worse by an accident that wasn’t your fault is frustrating, which is why we’ve made it our mission to help injured victims receive justice while they focus on their recovery.
A pre-existing injury can make a claim more complicated in some ways, but it shouldn’t prevent you from recovering compensation. Let’s lay out why:
Can I Claim If I Already Had an Injury?
Yes. A previous injury does not give another driver a free pass to cause you additional harm.
Imagine you hurt your lower back a few years ago. You completed treatment, returned to work, and generally managed the occasional flare-up. Then another driver rear-ends you at a stoplight. Suddenly, you’re experiencing significant pain, need new treatment, and cannot perform activities you could comfortably handle before the crash.
The fact that your back wasn’t perfect before the accident does not necessarily mean the accident is irrelevant.
California’s Judicial Council Civil Jury Instructions include specific instructions for aggravation of a pre-existing injury or disability. 1 It explains that while a person generally cannot recover damages for a physical or emotional condition they already had, they may recover for the effect of the defendant’s wrongful conduct when that condition was made worse.
That makes the distinction between an existing condition and an aggravated condition particularly important.
What Counts as a Pre-Existing Injury?
A pre-existing injury is an injury, medical condition, or physical limitation that existed before the car accident.
It can be something relatively recent, such as a shoulder injury from a fall six months earlier. It can also be something much older, such as a back injury from a workplace accident several years ago.
Examples can include:
- Previous neck injuries
- Herniated or bulging discs
- Chronic back pain
- Knee injuries
- Shoulder injuries
- Previous fractures, arthritis, or degenerative conditions
- Previous surgeries
- Head injuries
- Nerve damage
- Existing mobility limitations
The term can cover a surprisingly broad range of circumstances.
And here’s where things get interesting: having a pre-existing condition does not necessarily mean you were experiencing symptoms immediately before the collision.
You could have had an old injury that was stable or largely asymptomatic before the accident. If the crash caused the condition to become painful or substantially worse, the change may be relevant to your claim.
What If the Accident Made My Old Injury Worse?
This is one of the most important situations involving pre-existing injuries in car accidents.
Suppose you previously injured your knee. Before the crash, you could walk, drive, work, and exercise without significant difficulty. After another driver hits your vehicle, your knee becomes painful, swollen, and difficult to use.
You may have a claim for the harm caused by the accident, even though the knee was already injured.
California’s CACI No. 3927, specifically addresses this type of situation. It states that when a person’s pre-existing physical or emotional condition is made worse by wrongful conduct, damages may be awarded for the effect on the condition.
The focus, therefore, can be on the worsening caused by the accident.
That might involve additional medical treatment, increased pain, reduced mobility, lost income, or other consequences resulting from the aggravation.
How Does the Eggshell Plaintiff Rule Affect My Case?
The eggshell plaintiff rule, also known as the eggshell skull rule or thin skull doctrine, is a legal doctrine stating that a defendant must take the victim as they find them, even if a pre-existing condition made them more vulnerable to harm.
Simply put, the doctrine says that it doesn’t matter if you were hurt worse than the average person would be because of a pre-existing condition; the person who hurt you is still just as liable.
What is the Difference Between an Existing Injury and an Aggravated Injury?
Think of your injury as a problem that existed on Monday and became substantially worse on Tuesday because of the collision.
The accident doesn’t necessarily get blamed for creating the original problem. Instead, the claim may concern the additional damage caused by the crash.
For example:
Before the Accident
You have a previous back injury but can work a full day and perform your normal activities.
After the Accident
You experience significantly increased pain, require physical therapy, miss work, and need additional medical treatment.
The potential claim concerns the consequences associated with that worsening of the injury.
This distinction can become especially important when an insurance company reviews your medical records and sees that you received treatment for the same body part before the crash.
A previous medical record is not necessarily a claim killer. It may simply mean the medical evidence needs to be examined more carefully.
Can an Insurance Company Deny My Claim Because of a Pre-Existing Injury?
An insurance company may argue that some or all of your symptoms were caused by your earlier condition rather than the accident.
That is one reason claims involving pre-existing injuries can require more detailed evidence than straightforward cases involving a previously uninjured body part.
An adjuster may review:
- Previous medical history
- Medical records after the collision
- Diagnostic imaging
- Treatment history
- Statements you made to healthcare providers
- Your symptoms before the accident
- Gaps in medical treatment
- The mechanics of the collision
- Statements from doctors or other experts
The insurer may try to distinguish between problems that existed before the crash and new or aggravated problems caused by the crash.
That doesn’t mean the insurer’s interpretation is automatically correct. Medical evidence and the timeline of your symptoms can help establish what changed.
Why Your Medical History Matters
If you have a pre-existing injury, your medical history can actually become an essential part of proving your claim.
Think of your medical records as a before-and-after snapshot.
If your records show that you had occasional back pain before an accident but were functioning normally, while your accident records show severe symptoms and substantially increased treatment, that information may help demonstrate the difference.
Of course, every case is different, and medical records don’t automatically prove causation. Doctors may need to evaluate whether the collision caused a new injury or aggravated an existing one.
But the more clearly the medical evidence establishes the change, the easier it can be to understand what happened.
Should I Tell My Doctor About My Previous Injury?
Yes, absolutely. You should always be honest with your doctor.
Trying to hide a previous injury is one of those ideas that sounds clever for a few seconds, then you really think about it.
It can become a serious problem if your medical records later reveal that the condition existed before the accident.
Instead, be honest with your healthcare providers.
Tell them:
- What happened in the previous injury
- When it happened
- What treatment you received
- Whether you had ongoing symptoms
- How you were functioning before the crash
- What changed after the accident
Your doctor needs accurate information to evaluate your current condition.
For example, saying, “My back has hurt before, but before this crash I could work eight hours a day and exercise normally,” provides much more than simply saying, “I have a bad back.”
The goal is not to pretend your previous injury never happened. The goal is to accurately explain what changed.
What Evidence Can Help with Pre-Existing Injuries in Car Accidents?
Evidence can help establish the difference between your condition before and after the crash.
Potentially useful evidence includes:
Previous Medical Records
Records from before the collision can show the severity of your original condition and what treatment you received.
They may also help establish whether the condition was stable, improving, or causing significant limitations before the accident.
Post-Accident Medical Records
Your medical records following the collision can document new symptoms, increased pain, diagnostic findings, and additional treatment.
Imaging
X-rays, MRIs, CT scans, and other diagnostic imaging may help doctors evaluate changes to an injured area.
Whether imaging demonstrates an accident-related change depends on the individual medical circumstances, so it should be interpreted by an appropriate healthcare professional.
Employment Records
If your condition became worse after the accident and you were unable to work, employment records can help document missed work or changes in your ability to perform your job.
Witness Statements
People who knew you before and after the accident may be able to describe changes in your mobility, activities, or daily routine.
For example, a family member may have noticed that you went from regularly walking the dog to struggling to get up and down the stairs.
Oscar the dog may not be qualified as an expert witness, but your family members can certainly notice when your normal routine changes.
Personal Records
Journals, calendars, appointment records, and other documentation may help establish how your symptoms affected your everyday life.
Evidence in personal injury cases can include medical bills and reports, photographs, witness statements, and police reports.
Does the Severity of the Accident Matter?
It can.
The circumstances of the collision may be relevant when doctors or other experts evaluate whether an accident could have caused a particular injury or aggravated an existing condition.
For example, a significant impact may produce force capable of aggravating a vulnerable area of the body. However, you should not assume that a minor-looking accident could not cause a meaningful injury.
Vehicle damage and bodily injury do not always tell exactly the same story. That’s why medical evaluation is important after a crash, particularly if you have symptoms that are new, worsening, or persistent.
What Compensation Can I Seek?
Any attorney who gives you an immediate figure for compensation without knowing the facts of your case is someone you should think twice before hiring. There is no one-size-fits-all answer.
The damages available in a California personal injury case depend on the facts of the individual claim.
Potential damages can include losses associated with:
- Medical treatment
- Future medical expenses
- Lost Wages
- Reduced earning capacity
- Physical pain
- Emotional distress
- Other accident-related losses
Medical bills, lost wages, ongoing treatment, future problems, and emotional harm are all types of losses that may arise in personal injury cases.
When a pre-existing condition has been aggravated, the key issue is connecting the claimed losses to the worsening caused by the accident rather than attempting to make the at-fault driver responsible for every medical problem that existed beforehand.
What If I Had No Symptoms Before the Crash?
This situation is worth highlighting.
You may have had a previous injury or medical condition without experiencing meaningful symptoms immediately before the collision.
For example, imagine you had a previous disc injury but had been functioning normally for years. After a car accident, you develop significant back pain and require treatment.
The existence of the old condition does not automatically answer the question of what caused your current symptoms.
Doctors may need to consider your medical history, the accident, your symptoms, and diagnostic evidence when evaluating the cause. That is why an old diagnosis appearing in your medical records should not automatically be treated as proof that the accident did not cause your current problems.
What If the Other Driver Says You Were Already Injured?
The other driver or their insurance company may argue that your injuries were pre-existing.
The response should not be to panic. It should be to look for evidence.
The relevant questions can include:
- What was your condition before the accident?
- What symptoms did you have before the accident?
- What symptoms appeared afterward?
- How did your ability to work or perform everyday activities change?
- What does your medical evidence show?
- What treatment became necessary after the crash?
These questions help separate your pre-accident condition from the additional harm allegedly caused by the collision.
Should I Talk to a Lawyer About a Pre-Existing Injury?
If your accident has significantly aggravated the existing condition, speaking with a personal injury lawyer may help you understand how the previous injury could affect your claim.
This can be particularly useful when:
- You had extensive medical treatment before the accident
- The accident affected the same body part as your previous injury
- Your symptoms changed dramatically after the crash
- The insurance company is blaming your old injury
- You need substantial ongoing treatment
- Your ability to work has changed
- The insurer disputes whether the accident caused your current condition
A personal injury lawyer can review the available evidence and help distinguish your pre-existing condition from the harm allegedly caused by the collision.
What Should I Do After a Car Accident If I Have a Previous Injury?
If you’ve been involved in a crash and already had an injury, don’t assume you have no case.
Instead:
- Seek medical attention. Tell your healthcare provider about both the accident and your previous condition.
- Be completely honest about your medical history. Accurate records are much more useful than attempting to erase the past.
- Follow your doctor’s recommendations. Attend appointments and follow prescribed treatments where medically appropriate.
- Keep records. Save medical bills, appointment information, prescriptions, and other relevant documents.
- Document changes in your daily life. Keep track of how your symptoms affect work, exercise, household tasks, and other activities.
- Preserve accident evidence. Photos, witness information, police reports, and other records can be valuable.
- Be cautious when discussing your medical history with an insurance adjuster. Statements can be taken out of context or interpreted differently than intended.
Consider getting legal advice. Particularly complicated medical histories can make accident claims difficult to evaluate.
An Old Injury Doesn’t Automatically End Your Claim
Having a previous injury can make a car accident claim a little more complicated, but complicated doesn’t mean impossible.
When looking at pre-existing injuries in car accidents, one of the central questions is what changed because of the collision.
Maybe you had manageable back pain before the crash but now require extensive treatment. Maybe a knee injury had stopped bothering you but became painful again after the impact. Maybe you had an injury but were working and living normally until another driver caused the accident.
Those differences matter.
So, if you’re sitting at home thinking, “I already had a bad back, so I guess I’m out of luck,” don’t make that assumption.
Your medical history is part of the story, but it’s not the whole story.
At Insider Accident Lawyers, we understand that injury cases rarely arrive in a perfectly neat little package. Real people have old injuries, new injuries, prior surgeries, sore knees, cranky backs, and the occasional medical chart with more plot twists than Game of Thrones.
What matters is understanding what happened, what changed, and what the accident caused.
If you’ve been injured in a California car accident and your previous condition has become worse, getting your claim evaluated can help you understand your options and the evidence needed to support them.
Give us a call today at (213) 322-0609 for a free consultation.
