Patient question
Is my knee pain rheumatoid arthritis or wear and tear?
Dr. Pablo GelberOrthopaedic Knee Surgeon
Quick answer
The pattern usually gives it away. Rheumatoid arthritis is an immune condition that tends to swell both knees and the small joints of the hands, with long morning stiffness. Wear-and-tear osteoarthritis typically hurts with use and stiffens only briefly. Examination, blood tests and X-rays confirm which, explains Dr. Pablo Gelber at Aman Hospital, Doha.
Side-by-side differences
- Cause: rheumatoid arthritis is the immune system attacking the joint lining; osteoarthritis is gradual wear and repair of cartilage
- Age: rheumatoid can start at any adult age, including the twenties and thirties; osteoarthritis is more common after 50
- Joints: rheumatoid usually affects both sides symmetrically, often hands and feet first; osteoarthritis often affects knees, hips and the base of the thumb
- Stiffness: rheumatoid morning stiffness often lasts over an hour; osteoarthritis stiffness usually eases within minutes
- General health: rheumatoid can cause tiredness, low-grade fever and weight loss; osteoarthritis stays in the joint
Tests that separate them
Blood tests for rheumatoid arthritis include rheumatoid factor, anti-CCP antibodies and inflammation markers such as CRP and ESR. They are helpful but not perfect: some people with rheumatoid arthritis test negative, and some healthy people test positive.
X-rays show different patterns. Osteoarthritis narrows one part of the joint, often the inner side, with bone spurs. Rheumatoid arthritis tends to narrow the joint evenly and may cause erosions. Ultrasound or MRI can show active inflammation of the joint lining before X-ray changes appear.
Why it matters
Rheumatoid arthritis is treated with disease-modifying medicines prescribed by a rheumatologist. Started early, they can control inflammation and reduce long-term joint damage. Osteoarthritis is managed with strengthening exercises, weight management, activity changes, injections and, if needed, surgery such as osteotomy or knee replacement.
It is also possible to have both: long-standing rheumatoid arthritis can lead to secondary wear of the cartilage.
Getting a clear answer in Doha
If you are unsure what is causing your knee pain, a structured assessment is worth more than guessing. At Aman Hospital Dr. Gelber reviews your symptoms, examines the knees, arranges X-rays and blood tests as needed and refers you to a rheumatologist if an inflammatory cause is likely. He remains involved for anything that needs a knee surgeon, from injections to joint replacement.
Frequently asked questions
Does a positive rheumatoid factor mean I have rheumatoid arthritis?
Not on its own. It is one piece of evidence and must be interpreted with your symptoms, examination and other tests.
Is knee replacement possible with rheumatoid arthritis?
Yes. Many people with rheumatoid arthritis have successful knee replacements, with medicine timing planned together with their rheumatologist.
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