Arthritis Center—Rheumatoid ArthritisEn Español (Spanish Version)
Rheumatoid arthritis (RA) is an autoimmune disease that causes pain, swelling, stiffness, and loss of function in the joints. RA usually affects the same joint on both sides of the body.
Find answers in our in-depth report on RA:
Read about one woman's experience with this condition.
Read here to learn about Kineret, a drug that is indicated for adults with moderately to severely active RA who have not found relief from other treatments
The American College of Rheumatology
The National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)