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Find a Lawyer » Canada Legal Guides » Manitoba Legal Guides » Winnipeg Legal Guides » Accidents & Personal Injury Claims Winnipeg » Slip, Fall & Public Liability Winnipeg » How Do Pre-Existing Injuries Impact a Slip and Fall Claim in Winnipeg?

How Do Pre-Existing Injuries Impact a Slip and Fall Claim in Winnipeg?

17 Apr 2026 4 min read No comments Slip, Fall & Public Liability Winnipeg
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In Manitoba, having a pre-existing injury does not disqualify you from a slip and fall claim. Under the “thin skull” legal principle, you can still receive compensation if the fall worsened your existing condition, though you will need strong medical evidence to prove it.

It is a common myth that you must be in perfect health to win a personal injury case. If you already suffer from a bad back or a previous knee injury, a harsh slip and fall on an icy Winnipeg sidewalk can make those conditions significantly worse. 🤕

Insurance adjusters love to use your medical history against you. They will often claim your current pain is just from an old issue, hoping to deny your compensation entirely. However, Manitoba law is heavily designed to protect victims, regardless of their prior medical history.

With the right legal strategy, you can successfully prove that a property owner’s negligence directly aggravated your health. Let us explore exactly how pre-existing conditions are evaluated in the province and what steps you need to take.

How Pre-Existing Conditions Are Evaluated in Manitoba

Navigating a personal injury claim with prior injuries requires incredibly careful legal and medical documentation. Here is how the process generally unfolds when you bring a case to the Court of King’s Bench. 📋

Step 1: Honest Medical Disclosure

Never hide a past injury from your lawyer or your treating doctor. Honesty is your absolute best defence. If you try to conceal an old back surgery, the insurance company will eventually find out during the discovery process and use it to destroy your credibility in court. 📄

Tell your law firm exactly what treatments you had before the fall. This allows them to proactively build a strategy to differentiate your old symptoms from the new, severe pain caused by the accident.

Step 2: Understanding the Legal Rules

The Canadian justice system uses two main principles. The Thin Skull rule says a defendant must “take their victim as they find them.” Even if your body is more easily injured than a perfectly healthy person, the negligent party is fully liable for all the damage they caused. ⚖

Alternatively, the Crumbling Skull rule applies if your condition was already actively worsening over time before the fall. In this scenario, the defendant is only responsible for the extent to which the fall accelerated or worsened your pain, not for the underlying disease itself.

Step 3: Gathering Comparative Medical Evidence

Your lawyer will collect your comprehensive medical records from before the fall and compare them to your post-fall records. Expert opinions from your local Winnipeg doctors or specialists will be required. 🔬

These experts will write detailed medical reports explicitly outlining how the slip and fall aggravated your specific condition, proving that your current level of disability is directly tied to the recent accident.

Comparing the Legal Rules

To better understand how a judge at the Court of King’s Bench might view your case, review this breakdown of the two major principles: 🔍

Legal PrincipleDefinitionImpact on Compensation
Thin Skull RuleYou had a stable, symptom-free, but fragile condition before the fall.You receive full compensation for all injuries and pain caused by the fall.
Crumbling Skull RuleYour condition was active, painful, and worsening before the incident.Compensation is awarded only for the specific *aggravation* or acceleration of the injury.

How Much Does it Cost in Winnipeg?

Fighting an insurance company over a complex medical history requires expert testimony, but the fee structure remains accessible for most victims. 💰

  • Law Firm Representation: Handled on a contingency basis, meaning the lawyer takes around 30% to 33% of the final settlement. If you lose, you pay no legal fees.
  • Court Filing Fees: Starting an action at the Court of King’s Bench is roughly $225 CAD.
  • Specialist Reports: Getting a detailed report from an orthopedic specialist to prove your injury was aggravated can cost between $1,000 and $3,500 CAD. Law firms usually front this cost for you.

How Long Does the Process Take?

As with all personal injury claims in Manitoba, you have exactly two years from the date of the fall to formally file your lawsuit under the provincial statute of limitations. ⏱

Cases involving complex medical histories naturally take longer to resolve. You can expect the process to last anywhere from 1.5 to 3 years, as your lawyer will need substantial time to gather extensive medical records and negotiate aggressively with skeptical insurance adjusters.

Frequently Asked Questions (FAQ)

What if I was already receiving treatment for my back before the fall?

You can still claim damages. Your compensation will cover the increased pain, longer recovery time, and any additional treatments required strictly because of the new accident.

Will the insurance company ask for my entire medical history?

They will legally request relevant records. Your lawyer will closely monitor this to ensure they only get access to files that pertain to the specific injuries involved in your claim, protecting your privacy.

Is it harder to win a case with a pre-existing injury?

It is certainly more complex, but a skilled injury lawyer knows how to use expert medical testimony to successfully differentiate between your old symptoms and your new injuries.

Can the landlord’s insurance force me to see their doctor?

Yes, during the litigation process, the defence has the right to request an Independent Medical Examination (IME) with a doctor of their choosing to verify your condition.

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