What is rheumatoid arthritis? Rheumatoid arthritis (RA) is a chronic (long-lasting) disease that mostly affects joints, such as the wrist, hands, feet, spine, knees, and jaw. In joints, RA causes inflammation that leads to: Pain. Swelling; Stiffness. Loss of function. Rheumatoid arthritis is an autoimmune disorder because the immune system ...

Causes of Rheumatoid Arthritis. Researchers do not know what causes the immune system to turn against the body’s joints and other tissues. Studies show that a combination of the following factors may lead to the disease: Genes. Certain genes that affect how the immune system works may lead to rheumatoid arthritis.

Although joint inflammation is a symptom or sign rather than a specific diagnosis, the term arthritis is often used to refer to any disorder that affects the joints. There are many types of arthritis, including ankylosing spondylitis, gout, juvenile arthritis, osteoarthritis, psoriatic arthritis, reactive arthritis, and rheumatoid arthritis.

3 天之前 · Arthritis is often used to refer to any disorder that affects the joints. Rheumatic diseases usually affect joints, tendons, ligaments, bones, and muscles. This page lists conditions that fall under these categories.

Polyarticular juvenile idiopathic arthritis–rheumatoid factor negative. This is the second most common type, affecting five or more joints in the first 6 months. Tests for rheumatoid factor are negative. The rheumatoid factor blood test checks for autoimmune disease, especially rheumatoid arthritis, which is an adult form of arthritis. Some ...

Treatment of Rheumatoid Arthritis. Treatment of rheumatoid arthritis continues to improve, which can give many people relief from symptoms, improving their quality of life. Doctors may use the following options to treat RA: Medications. Physical therapy and occupational therapy. Surgery. Routine monitoring and ongoing care. Complementary therapies.

Types of Arthritis. There are several types of arthritis. Common ones include the following. Ankylosing spondylitis is a type of arthritis that causes inflammation in the joints and ligaments of the spine. Gout is a type of arthritis that occurs as flares, typically in your big toe or a lower limb.

Overview of Reactive Arthritis . Reactive arthritis, as the name suggests, occurs in reaction to something—in this case, an infection. The condition is caused by a bacterial infection in the digestive or urinary tract or the genitals, but arthritis symptoms typically do not set in until after you have recovered from the infection.

Osteoarthritis is a degenerative joint disease, in which the tissues in the joint break down over time. It is the most common type of arthritis and is more common in older people. People with osteoarthritis usually have joint pain and, after rest or inactivity, stiffness for a short period of time. The most commonly affected joints include the:

Ankylosing spondylitis is a type of arthritis that causes inflammation in the joints and ligaments of the spine. It may also affect peripheral joints like the knees, ankles, and hips. Normally, the joints and ligaments in the spine help us move and bend.