7 Most Common Surgical Mistakes You Should Know About
November 30, 2025
When you go into surgery, you expect safe care, skilled work, and a path to recovery. Unfortunately, many surgical mistakes happen that could have been prevented. Knowing the common errors helps you stay informed and protect your rights. In this article, we will discuss the seven most frequent surgical mistakes, what they look like, and why they matter.
What Are These Common Surgical Mistakes?
Here are the errors that occur most often in operating rooms:
1. Wrong-site or wrong-procedure surgery
This happens when surgery is done in the wrong location or the wrong operation is performed. Due to miscommunication, poor verification, or rushing, a patient might wake up with the wrong limb operated on or a healthy organ removed. These mistakes are widely considered “never events,” meaning they should never happen in professional care.
2. Wrong-patient surgery
Surgery is performed on the wrong person, due to identification mix-ups or poor record-keeping. Not only is care given to someone who didn’t need it, but the intended patient misses the correct treatment.
3. Retained foreign objects
Sometimes instruments, sponges, or other items are accidentally left inside a patient’s body after surgery. These leftovers can cause infection, internal damage, or require additional surgery to correct.
4. Anesthesia errors
Mistakes in anesthesia dosing, administration, or monitoring during surgery are serious. If anesthesiologists fail to check allergies, give the wrong amount, or don’t monitor vital signs, the patient may wake up during surgery, suffer brain damage, or other harm.
5. Nerve, organ, or vessel damage
Improper surgical technique can injure nerves, organs, or blood vessels. For example, a healthy organ may be damaged or a nerve cut, leading to lifelong effects such as chronic pain or loss of function.
6. Infection and wound-care failures
Surgical site infections or failed monitoring of post-operative wounds are common. When sterility, antibiotic use, or follow-up care are inadequate, recovery may be delayed and complications increase.
7. Poor communication or system failures
Many surgical errors stem from teamwork breakdowns, communication failures, fatigue, or staffing errors. When the surgical team doesn’t properly confirm patient identity, site, procedure, or understand the condition, mistakes happen.
How Surgical Mistakes Can Affect Your Health And Recovery
Surgical mistakes can create problems that last long after the procedure is over. You may face a slower recovery, new medical complications, or the need for more treatment than you expected. Some errors lead to infections, nerve damage, or lasting pain that changes daily life.
If you wait too long to speak up or get help, these issues can become harder to treat. Delays can also make it tougher to understand what happened because symptoms blur, memories fade, and records may be harder to gather to file your surgical mistakes claim. Acting early gives you a better chance to protect your health and get the answers you need.
What Should You Watch For In Recovery?

Recovery after surgery should follow a steady path, so any unusual changes or complications may be worth paying attention to. Here are some signs that may suggest something went wrong during the procedure or afterward.
- If your pain, function, or symptoms worsen rather than improve.
- Signs of infection, internal bleeding, or unexpected symptoms.
- The need for corrective surgery when the first procedure should have resolved your issue.
- A delay in being told about a complication or additional treatment needed.
- Confusion about what was done or why you are undergoing unexpected care.
How Can You Respond If You Suspect A Surgical Mistake?
Here are the steps you can follow:
- Review your surgical and hospital records: Check the consent form, operative report, anesthesia logs, nursing notes, and recovery chart.
- Keep track of unexpected outcomes: Note when you were told recovery would happen and what actually happened. Be mindful of new pain, infection, or symptoms.
- Ask for explanations from your surgeon/hospital: Inquire about what occurred during surgery, whether protocols were followed, and whether any unexpected events happened.
- Consider consulting someone familiar with surgical mistakes: If you believe the care you received fell below professional standards, an experienced medical malpractice lawyer can help you understand your rights and what steps you can take next.
- Act quickly. Delays may cause evidence to be lost or records to be changed. If you’re considering a legal claim, timing can matter.
Ready To Talk About What Happened?
If you believe you suffered harm from a surgical mistake, you do not have to face it alone. Contact us at Lowenthal & Abrams, P.C. We provide a no-charge consultation to review your situation, explain your rights, and help you decide the next step. You deserve to know what happened and what options you have.