Juvenile Rheumatoid Arthritis Facts and Tips

  • AdolescentJuvenile rheumatoid arthritis is a type of arthritis that occurs in children younger than 16 years old.
  • JRA is the most common type of childhood arthritis (1).
  • JRA is an autoimmune disorder, meaning that the immune system turns against the body and starts to attack healthy tissues.
  • There are three types of JRA: pauciarticular, polyarticular, and systemic.
  • About 300,000 children in North America are affected by JRA or other rheumatoid conditions (2).
  • JRA can cause eye inflammation, such as iritis.
  • JRA is also called juvenile idiopathic arthritis.


  1. http://www.mayoclinic.com/health/juvenile-rheumatoid-arthritis/DS00018. Accessed 26 January 2009.
  2. Sacks, J., Helmick, C., Yao-Hua L., Ilowite N., & Bowyer S. Prevalence of and Annual ambulatory Health Care Visits for Pediatric Arthritis and Other Rheumatologic Conditions in the US in 2001-2004. Arthritis Rheum. 2007 Dec 15;57(8):1439-45.
Updated on: 08/18/15
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Anatomy of Juvenile Idiopathic Arthritis
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Anatomy of Juvenile Idiopathic Arthritis

The joints in your body: that's what you have to know to understand the anatomy of juvenile idiopathic arthritis (JIA). Learn about the parts of joints, including how cartilage helps your bones move more easily (especially important to know for JIA).
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