Can rheumatoid arthritis be mistaken for osteoarthritis?

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  1. Dr. Mehmet Oz
     
    Dr. Mehmet Oz answered:
    Rheumatoid arthritis (RA) might be initially mistaken for osteoarthritis (OA), but the symptoms of RA are different from those of OA. RA usually brings severe pain, swelling and an extremely limited range of motion. The affected joints are often swollen, red and warm to the touch. RA is also symmetrical, which means that if you have an affected joint on one side of your body, the same joint on the other side is likely to be affected too. RA causes fatigue, loss of appetite and sometimes a low fever. Perhaps the biggest difference between RA and OA is that RA tends to come in flare-ups -- you have an attack of bad pain and inflammation that may then go away for a long time. But with OA, you don't get flare-ups or periods of remission.
    More Related Answers from Dr. Mehmet Oz
    Rheumatoid arthritis (RA) might be initially mistaken for osteoarthritis (OA), but the symptoms of RA are different from those of OA. RA usually brings severe pain, swelling and an extremely limited range of motion. The affected joints are... More
  2. Honor Society of Nursing (STTI)
     

    Because both rheumatoid arthritis and osteoarthritis cause joint pain and stiffness, the two conditions are sometimes mistaken for one another. However, rheumatoid arthritis also tends to affect the entire body, causing achy muscles, fatigue, weight loss and flu-like symptoms. Also, rheumatoid arthritis usually affects the same joint on both sides of the body such as both wrists or both knees.

    Rheumatoid arthritis is an autoimmune disease in which the immune system mistakenly attacks healthy cells and tissues. Osteoarthritis is a painful joint disease caused by age-related wear and tear, injury or, in rare cases, genetic illnesses.

    No single test can diagnose osteoarthritis. Most doctors use several methods to diagnose the disease and rule out other problems. These methods include:

    • Taking a medical history
    • Giving a physical exam
    • X-raying painful areas
    • Giving blood tests or examine the fluid in the joints
    More Related Answers from Honor Society of Nursing (STTI)
    Because both rheumatoid arthritis and osteoarthritis cause joint pain and stiffness, the two conditions are sometimes mistaken for one another. However, rheumatoid arthritis also tends to affect the entire body, causing achy muscles,... More
  3. Univ. of Nev. School of Medicine, Family Medicine
     

    While both rheumatoid arthritis (RA) and osteoarthritis (OA) affect our joints, they cause unique problems allow us to diagnose them separately. RA typically causes morning stiffness that lasts greater than an hour, affects the small joints of the hands and feet symmetrically, and can cause whole body symptoms such as fatigue. OA usually affects the large joints asymmetrically with stiffness increasing as the day goes on or with prolonged rest. Rarely does OA cause systemic or whole body symptoms. Also RA can occur at any age while OA is more commonly seen in older individuals after years of joint breakdown.

    While both rheumatoid arthritis (RA) and osteoarthritis (OA) affect our joints, they cause unique problems allow us to diagnose them separately. RA typically causes morning stiffness that lasts greater than an hour, affects the small joints of the... More