Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs Rheumatoid arthritisUpdated: 2017-06-13OverviewIn rheumatoid arthritis, the body's immune system attacks its own tissue, typically in the hands and feet.SymptomsIt affects joint linings, causing painful swelling. This may lead to bone erosion and joint deformity.TreatmentsMedications, physical therapy, and surgery aim to control symptoms and prevent joint damage. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use