Yes. A known complication can still involve medical negligence. The fact that an injury is a recognised risk does not prove that the treatment was reasonable, that the complication was unavoidable or that you were properly warned about it. What matters is how the risk was explained, how the treatment was carried out and whether reasonable care could have prevented the harm.
“Known complication” can sound like the end of the conversation. It is not.
Known is not the same as unavoidable.
What does “known complication” actually mean?
A known complication is an outcome that medicine recognises can happen during or after treatment. Infection, bleeding and nerve damage can all be recognised risks of particular procedures.
That description tells you the outcome was possible. It does not answer whether the people treating you took reasonable care.
In Victoria, a medical negligence claim generally requires evidence that the care fell below the standard reasonably expected in the circumstances and that this caused harm or loss. A bad result alone is not enough. But calling the result a complication does not settle those questions either.
| What the hospital may say | What still needs to be assessed |
|---|---|
| The complication was recognised | Was reasonable care taken to avoid it? |
| The risk appeared on a consent form | Was the risk properly explained to you? |
| The procedure itself went as planned | Was the complication recognised and treated promptly? |
| This can happen without negligence | Is that what probably happened in your case? |
What is the difference between a known complication and an inherent risk?
Victorian law uses the narrower term “inherent risk”. Under section 55 of the Wrongs Act 1958 (Vic), an inherent risk is a risk that could not have been avoided by the exercise of reasonable care and skill.
This distinction matters. A complication can be known without being unavoidable. If reasonable care could have prevented it, the inherent-risk protection may not apply.
The same section also makes clear that the inherent-risk rule does not remove liability for failing to warn a patient about a risk. Prevention and warning are separate questions.
When can a known complication still involve negligence?
There are three common possibilities.
The complication may have been avoidable
The issue may be what happened before or during the treatment. Examples can include choosing an inappropriate procedure, failing to account for a known risk factor, using poor technique or not taking a reasonable precaution.
The question is not whether the complication appears in medical literature. It is whether reasonable care would probably have avoided the harm in your circumstances.
You may not have been properly warned
A doctor will ordinarily need to warn a patient about material risks. A risk may be material because a reasonable person in the patient’s position would consider it significant, or because the doctor knew that this particular patient would.
A signed consent form is relevant evidence, but it does not automatically prove that a meaningful warning occurred. Read our guide on signing a consent form and medical negligence.
The response may have been too slow
Sometimes the complication itself occurs without negligence, but the response falls short. A delay in recognising deterioration, arranging tests, starting treatment or escalating care can turn a manageable complication into a more serious injury.
The correct question may therefore be: was the complication handled reasonably once it appeared?
Does a bad outcome prove medical negligence?
No. Medicine carries risk, and some poor outcomes occur despite reasonable care. A legal assessment needs evidence about both breach and causation.
Usually that means comparing the treatment with the standard expected of an appropriately skilled practitioner at the time. It also means asking whether the identified failure probably caused the additional harm.
This is why a discharge summary stating “known complication” is not enough to prove a claim, but it is not enough to dismiss one either.
You can read more about the legal test in How to establish a medical negligence claim.
What if the hospital has already rejected my complaint?
A hospital complaint and a compensation claim are different processes. The Victorian Health Complaints Commissioner states that medical negligence claims are separate from the assistance it provides.
A complaint response may explain the hospital’s position. It does not bind an independent medical expert or a court. The response may also leave unanswered whether a recognised risk was reasonably managed in your particular case.
Can Clever Legal assess a known-complication case?
Yes. If you were told your injury was simply a known complication, start a free assessment with Clever Legal.
Some firms cannot take every case because the cost of investigating the medical evidence may be too high for the likely value of the claim. That commercial decision is not a finding that the care was reasonable. Clever Legal exists for claims caught in that gap.
Tell us what procedure you had, what you were told about the risk and what harm followed. If another firm or the hospital has already responded, you can include that response.
We will assess the facts independently and tell you plainly whether there is a reasonable next step. There is no obligation and no guaranteed outcome.
Medical negligence claims are subject to time limits. See Time limits for medical negligence claims and seek advice promptly.
Sources
- Wrongs Act 1958 (Vic), sections 50 to 60
- Health Complaints Commissioner Victoria, Medical Negligence Fact Sheet
- High Court of Australia, Wallace v Kam [2013] HCA 19
This article provides general information and is not legal advice or medical advice. Medical negligence claims depend on their facts and are subject to strict time limits. Seek specific advice about your circumstances.