Juvenile idiopathic arthritis, formerly known as juvenile rheumatoid arthritis, is the most common type of arthritis in children under the age of 16.
Juvenile idiopathic arthritis can cause persistent joint pain, swelling and stiffness. Some children may experience symptoms for only a few months, while others have symptoms for the rest of their lives.
Some types of juvenile idiopathic arthritis can cause serious complications, such as growth problems, joint damage and eye inflammation. Treatment focuses on controlling pain and inflammation, improving function, and preventing joint damage.
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The most common signs and symptoms of juvenile idiopathic arthritis are:
- Pain. While your child might not complain of joint pain, you may notice that he or she limps — especially first thing in the morning or after a nap.
- Swelling. Joint swelling is common but is often first noticed in larger joints such as the knee.
- Stiffness. You might notice that your child appears clumsier than usual, particularly in the morning or after naps.
- Fever, swollen lymph nodes and rash. In some cases, high fever, swollen lymph nodes or a rash on the trunk may occur — which is usually worse in the evenings.
raspberry pi arcade planshow to raspberry pi arcade plans for Juvenile idiopathic arthritis can affect one joint or many. There are several different subtypes of juvenile idiopathic arthritis, but the main ones are systemic, oligoarticular and polyarticular. Which type your child has depends on symptoms, the number of joints affected, and if a fever and rashes are prominent features.
Like other forms of arthritis, juvenile idiopathic arthritis is characterized by times when symptoms flare up and times when symptoms disappear.
When to see a doctor
Take your child to the doctor if he or she has joint pain, swelling or stiffness for more than a week — especially if he or she also has a fever.
Juvenile idiopathic arthritis occurs when the body''s not known why this happens, but both heredity and environment seem to play a role. Certain gene mutations may make a person more susceptible to environmental factors — such as viruses — that may trigger the disease.
Some forms of juvenile idiopathic arthritis are more common in girls.
Several serious complications can result from juvenile idiopathic arthritis. But keeping a careful watch on your child''s important for children with this condition to be examined regularly by an ophthalmologist. Growth problems. Juvenile idiopathic arthritis can interfere with your child''s Clinical Advisor 2018. Philadelphia, Pa.: Elsevier; 2018. https://www.clinicalkey.com. Accessed Aug. 8, 2017. Questions and answers about juvenile arthritis. National Institute of Arthritis and Musculoskeletal and Skin Diseases. https://www.niams.nih.gov/health_info/juv_arthritis/. Accessed Aug. 8, 2017. Juvenile arthritis. American College of Rheumatology. https://www.rheumatology.org/I-Am-A/Patient-Caregiver/Diseases-Conditions/Juvenile-Arthritis. Accessed Aug. 8, 2017. Juvenile arthritis. American Academy of Orthopaedic Surgeons. http://orthoinfo.aaos.org/topic.cfm?topic=a00075. Accessed Aug. 8, 2017. 6 ways arthritis can affect your eyes. Arthritis Foundation. http://www.arthritis.org/living-with-arthritis/comorbidities/eye-conditions/eye-arthritis.php. Accessed Aug. 9, 2017. Arthritis, juvenile rheumatoid. National Organization for Rare Disorders. https://rarediseases.org/rare-diseases/arthritis-juvenile-rheumatoid/. Accessed Aug. 8, 2017. Cimaz R, et al. How I treat juvenile idiopathic arthritis: A state of the art review. Autoimmunity Reviews. In press. Accessed Aug. 8, 2017. Mason TG (expert opinion). Mayo Clinic, Rochester, Minn. Aug. 28, 2017.