Lupus is a chronic autoimmune disease that can cause inflammation, swelling and pain. It can affect any part of your body, but lupus most commonly affects your skin, joints and internal organs, such as the kidneys and heart. Most people diagnosed with lupus are adults. However, one-fifth of lupus cases occur in children under the age of 18. In two companion articles for HealthyChildren.org from the American Academy of Pediatrics, SMG’s pediatric rheumatology specialist Dr. Marla Guzman says it is estimated that as many as 10,000 children in the United States are dealing with the disease. The following two articles explain the symptoms, management techniques and medication and treatment options.