Print Page
Glossary: rheumatoid arthritis, Masonic Cancer Center, University of Minnesota

rheumatoid arthritis

(ROO-muh-TOYD ar-THRY-tis)

An autoimmune disease that causes pain, swelling, and stiffness in the joints, and may cause severe joint damage, loss of function, and disability. The disease may last from months to a lifetime, and symptoms may improve and worsen over time.