
Knee Replacement: Pros & Cons

Knee replacement surgery can be life-changing, but is it always worth it? If you're struggling with chronic knee pain, limited mobility, or the long-term effects of arthritis or injury, you’ve likely wondered whether going under the knife is the best solution.
While many people experience significant pain relief and improved function after surgery, others are left disappointed due to unrealistic expectations, complications, or the need for further surgery. Below, we explore the real pros and cons, potential risks, common outcomes, and when knee surgery might be the right choice.
Why Knee Surgery Might Be Worth It (Pros)
For many patients, especially those with severe osteoarthritis or injury, the advantages of knee replacement are significant:
1. Pain Relief
- Most people experience substantial reduction or complete elimination of chronic knee pain.
- Pain relief improves sleep, mood, and daily functioning.
2. Improved Mobility and Independence
- Post-surgery, many regain the ability to walk, climb stairs, and stand for longer periods without discomfort.
- Daily tasks that were once difficult, grocery shopping, getting out of a chair, become manageable again.
3. Better Quality of Life
- Many patients return to light activities they once enjoyed, such as swimming, cycling, or hiking.
- Studies show over 80% of patients are satisfied with the results, with many calling it life-changing.
Risks & Cons: The Truth About Knee Replacement Surgery
Knee replacement, while often very successful, isn’t without risks, and it’s not a guaranteed fix. Here’s what you need to know before making a decision:
1. Surgery and Recovery Are Significant
- Recovery from knee surgery can take 6–12 months, with the need for physical therapy and home modifications.
- Post-surgery swelling, stiffness, and pain are common for weeks or months.
2. Complications Can Happen
- Infection, blood clots, and nerve damage are rare but serious risks.
- Implant loosening or failure can occur over time, especially in younger or more active patients.
3. You May Need Another Surgery
- Knee replacements typically last 15–20 years, but 10% of patients require revision surgery.
- Revision surgeries are often more complex, expensive, and less successful than the original procedure.
4. It’s Not a Perfect Knee
- Many patients report the knee doesn’t feel “natural”, especially during activities like kneeling or squatting.
- High-impact sports like running or jumping are discouraged, and some pain or stiffness may persist.
5. Access Can Be Difficult or Costly in the UK
- In the UK, you may face long NHS waiting times, often over a year for consultation and surgery.
- Private knee surgery in the UK can cost £12,000–£16,000 — out of reach for many, especially if insurance won’t cover it.

Common Misconceptions (and Mistakes)
Many dissatisfied patients went into surgery with unrealistic expectations. Here’s what knee replacement won’t do:
- It won’t restore your knee to its 20-year-old self.
- It may not completely eliminate pain, studies show 15–30% of patients still experience some discomfort.
- It requires commitment to recovery, skipping physiotherapy is a common mistake that leads to poor outcomes.
Alternatives to Try Before Surgery
Before committing to surgery, explore non-surgical options like:
- Physical therapy
- Weight loss to reduce joint stress
- Steroid or hyaluronic acid injections
- Medications like NSAIDs or pain relievers
Surgery is typically recommended when these treatments fail to provide relief.
So, Is Knee Surgery Worth It?
Yes, for many people. Especially if you’ve tried everything else and knee pain still severely limits your life.
But surgery isn’t magic. It comes with risks, effort, and no guarantees. To make the best decision:
- Get a second opinion.
- Have an honest discussion about your health, lifestyle, and goals.
- Understand the recovery process and possible outcomes.
Considering Knee Surgery Abroad?
At Thera Travel, we help people access affordable, high-quality orthopaedic surgery abroad, including knee replacements, hip replacements, and spinal procedures, all without the months (or years) of waiting for the NHS.
We partner with trusted hospitals and top surgeons across Europe, offering fast treatment, clear pricing, and personal support every step of the way, from your first enquiry to your safe return home.
Learn more about knee surgery abroad with Thera Travel and see if it’s right for you.
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