A Answers (4)
HealthyWomen answeredUnlike the more common osteoarthritis, which is mainly a disease of the cartilage in joints, rheumatoid arthritis (RA) occurs when the body's immune system attacks and damages the joints and, sometimes, other organs. RA often occurs in a symmetrical pattern, meaning that if one knee or hand is involved, the other one is too.Helpful? 34 people found this helpful.
Rheumatoid arthritis is a systemic inflammatory disease primarily affecting the synovial joints causing significant pain, swelling, and significant morning stiffness. Although it primarily affects the joints, it can affect virtually any tissue or organ given that it is a systemic condition. Treatment consists of immunomodulators. In contrast, osteoarthritis results in degenerative changes from mechanical stress and trauma and is treated supportively.
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Arthritis is an umbrella name for more than 100 diseases, including lupus, gout, osteoarthritis (OA), and rheumatoid arthritis (RA), all of which affect a person's joints or connective tissues. But OA and RA are very different diseases, with distinct symptoms and treatments:
When it starts: Later in life, usually after age 50
Joints affected: Mostly hips, knees, feet, and spine; rarely affects hands
Joint symptoms: Pain, swelling
Pain symmetry: No; pain often affects only one joint
Bone symptoms: Bony growths
When it starts: Usually between age 30 and age 60, but can begin anytime
Joints affected: Tends to affect hands and feet first, but can affect any joints
Joint symptoms: Pain, stiffness, heat, redness, tenderness
Pain symmetry: Yes; usually occurs in joints on both sides of the body (e.g., both wrists or both ankles)
Bone symptoms: Erosion of bones in affected joints
Blood test results: Detect inflammation, anemiaHelpful? 40 people found this helpful.
Dr. Mehmet Oz, MD, Cardiology (Cardiovascular Disease), answered
Let's begin with what osteoarthritis and rheumatoid arthritis have in common. Both cause joints to become painful and stiff. And both of these frustrating conditions can limit mobility, rob you of independence and lessen your quality of life.
However, osteoarthritis and rheumatoid arthritis are two very different conditions in other ways. Osteoarthritis seems to be brought on, at least in part, by wear and tear. Over time, protective tissue called cartilage in the joint withers away. That leaves bones scraping against bone, causing pain and other symptoms.
By contrast, rheumatoid arthritis occurs due to a glitch in the body's immune system. Normally, the immune system produces white blood cells to attack intruders such as bacteria and viruses. If you have rheumatoid arthritis, though, the immune system mistakenly sends white blood cells to invade and destroy tissue in the joints.
There are other differences between osteoarthritis and rheumatoid arthritis. The latter can affect body parts other than the joints, including the eyes, lungs, skin and blood vessels. Rheumatoid arthritis is also usually symmetrical; that is, if your right wrist is affected, your left wrist probably will be too.Helpful? 84 people found this helpful.