
Rheumatoid arthritis - Symptoms and causes - Mayo Clinic
Apr 9, 2025 · When you have rheumatoid arthritis, your immune system sends antibodies to the synovium and causes inflammation. This causes pain and joint damage, especially in small …
Rheumatoid Arthritis (RA): Symptoms, Stages & Treatment
Nov 6, 2024 · What is rheumatoid arthritis? Rheumatoid arthritis (RA) is a chronic (ongoing) autoimmune disease that causes pain, swelling and stiffness in the lining of your joints …
Rheumatoid Arthritis: Symptoms, Diagnosis, and Treatment ...
Rheumatoid arthritis (RA) causes joint inflammation and pain. It happens when the immune system doesn’t work properly and attacks the lining of the joints, called the synovium.
Rheumatoid Arthritis | Arthritis | CDC
Jan 25, 2024 · Rheumatoid arthritis (RA) causes pain, swelling, and stiffness in the joints. There’s no cure for RA, but you can manage and treat it with medicines and lifestyle changes. It’s best …
Rheumatoid Arthritis - Johns Hopkins Medicine
Rheumatoid arthritis (RA) is a long-term (chronic) disease that causes inflammation of the joints. The inflammation can be so severe that it affects how the joints and other parts of the body …
What is Rheumatoid Arthritis?
RA is caused by an abnormality in the immune system that turns the body against itself. Although there isn’t an exact known cause, RA may be influenced by genetic or environmental factors. …
Rheumatoid Arthritis Symptoms, Causes, & Risk Factors | NIAMS
Rheumatoid arthritis (RA) is a chronic (long-lasting) autoimmune disease that mostly affects joints. RA occurs when the immune system, which normally helps protect the body from infection and …
Rheumatoid Arthritis | RA | MedlinePlus
Sep 13, 2025 · Rheumatoid arthritis (RA) is a form of arthritis that causes pain, swelling, and stiffness in your joints. Your risk increases as you become an older adult.
Rheumatoid Arthritis - RA - Center: Symptoms, Pain Relief ...
What Is Rheumatoid Arthritis? Learn all about rheumatoid arthritis, including the causes, symptoms, and treatment.
Rheumatoid Arthritis: Feeling, Early Stages, Treatment
Sep 4, 2025 · Rheumatoid arthritis (RA) is one of the most common autoimmune arthritis types. 1 It occurs when the immune system malfunctions and attacks healthy tissues—mainly the …