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Conditions InDepth: Rheumatoid Arthritis

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Main Page Risk Factors Symptoms Diagnosis Treatment Screening Reducing Your Risk Talking to Your Doctor Living With Rheumatoid Arthritis Resource Guide

Rheumatoid arthritis is a chronic disease that causes inflammation in the joints and certain other organs throughout the body. It is called an autoimmune disorder. It is believed that the body’s immune system accidentally mistakes its own tissues for foreign invaders. The immune system attacks the joints and organs, causing damage.

Rheumatoid Arthritis
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Researchers are not sure what causes the immune system to respond so destructively. It may be caused by a combination of factors, including:

  • Genes—People with rheumatoid arthritis may have a specific genetic defect that increases their risk for developing this condition.
  • Defects in the immune system may cause the immune cells to fail to recognize the body’s own tissues.
  • Infection with specific viruses or bacteria that kick off an abnormal immune response.
  • Chemical or hormonal imbalances in the body.

More than two million Americans (about 1% of the total population) have rheumatoid arthritis.

What are the risk factors for rheumatoid arthritis?What are the symptoms of rheumatoid arthritis?How is rheumatoid arthritis diagnosed?What are the treatments for rheumatoid arthritis?Are there screening tests for rheumatoid arthritis?How can I reduce my risk of rheumatoid arthritis?What questions should I ask my doctor?What is it like to live with rheumatoid arthritis?Where can I get more information about rheumatoid arthritis?

Revision Information

This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.

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References

  • Arthritis Foundation website. Available at: http://www.arthritis.org/ .

  • Conn H, Rakel R. Conn’s Current Therapy . 54th ed. Philadelphia, PA: WB Saunders Company; 2002.

  • Ferri F, ed. Ferri’s Clinical Advisor 2010. Philadelphia, PA: Mosby Elsevier; 2009.

  • Firestein G, Kelley W. Kelley’s Textbook of Rheumatology. 8th ed. Philadelphia, PA: Saunders; 2008.

  • Goldman L, Ausiello D, eds. Cecil Textbook of Internal Medicine. 23rd ed. Philadelphia, PA: Saunders; 2008.

  • National Institute of Arthritis and Musculoskeletal and Skin Diseases website. Available at: http://www.niams.nih.gov/ .