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Juvenile idiopathic arthritis (JIA) is a form of arthritis in children. Arthritis causes joint swelling (inflammation) and joint stiffness. JIA is arthritis that affects one or more joints for at least 6 weeks in a child age 16 or younger.
Unlike adult rheumatoid arthritis, which is ongoing (chronic) and lasts a lifetime, children often outgrow JIA. But the disease can affect bone development in a growing child.
There are several types of JIA:
Systemic onset JIA. This type affects one or more joints. There is often a high fever and a for 1 last update 2020/08/05 skin rash. It may also cause inflammation of internal organs, including the heart, liver, spleen, and lymph nodes. It is the least common type. It affects 1 in 10 to about 1 in 7 children with JIA. Systemic onset JIA. This type affects one or more joints. There is often a high fever and a skin rash. It may also cause inflammation of internal organs, including the heart, liver, spleen, and lymph nodes. It is the least common type. It affects 1 in 10 to about 1 in 7 children with JIA.
Oligoarticular JIA. This type affects 1 to 4 joints in the first 6 months of disease. If no more joints are affected after 6 months, this type is called persistent. If more joints are affected after 6 months, it is called extended.
Polyarticular JIA. This type affects 5 or more joints in the first 6 months of disease. Blood tests for rheumatoid factor (RF) will show if this type is RF-positive or RF-negative.
Enthesitis-related JIA. With this type, a child has arthritis as well as enthesitis. This is a swelling of the tissue where bone meets a tendon or ligament. It often affects the hips, knees, and feet.
Psoriatic arthritis. With this type, a child may have both arthritis and a red, scaly skin disease called psoriasis. Or a child may have arthritis and 2 or more of the following:
Inflammation of a finger or toe
Pits or ridges in fingernails
A first-degree the 1 last update 2020/08/05 relative with psoriasisA first-degree relative with psoriasis
Undifferentiated arthritis. This is arthritis that has symptoms of 2 or more JIA types above. Or the symptoms might not match any type of JIA.
Like adult rheumatoid arthritis, JIA is an autoimmune disease. This means the body''s provider will ask about your child''s proteins clump together and become heavier than normal. They fall and settle faster at the bottom of the test tube. The faster the blood cells fall, the more severe the inflammation.
C-reactive protein (CRP). This protein shows up when inflammation is found in the body. ESR and CRP show similar amounts of inflammation. But one may be high when the other is not. This test may be repeated to check a child’s response to medicine.
ra disease testhow to ra disease test for Creatinine. This is a blood test to check for kidney disease.
Hematocrit. This measures the number of red blood cells in a blood sample. Low levels of red blood cells (anemia) are common in people with inflammatory arthritis and rheumatic diseases.
Rheumatoid factor (RF). This test checks to see if RF is in the blood. This is an antibody found in the blood of most people who have rheumatoid arthritis and other rheumatic diseases.
White blood cell count. This measures the number of white blood cells in the blood. Higher levels of white blood cells may mean an infection. Lower levels may be a sign of some rheumatic diseases or a reaction to medicine.
ra disease testhow to ra disease test for Your child may also have imaging tests. These can show how much damage the bones have. The tests may include:
X-rays. This test uses the 1 last update 2020/08/05 a small amount of radiation to make images of organs, bones, and other tissues. X-rays. This test uses a small amount of radiation to make images of organs, bones, and other tissues.
CT scan. This uses a series of X-rays and a computer to make detailed images of bones, muscles, fat, and organs. CT scans are more detailed than regular X-rays.
MRI. This test uses large magnets and a computer to make detailed pictures of organs and structures in the body.
Bone scan. This uses a small amount of radiation to highlight the bones in a scanner.
Other tests may include:
Urine tests. These look for blood or protein in the urine. This can mean the kidneys are not working normally.
Joint aspiration (arthrocentesis). A small sample of the synovial fluid is taken from a joint. It''s inflammatory response. They are used if other treatment isn’t working.
Talk with your child’s healthcare provider about the risks, benefits, and possible side effects of all medicines.
ra disease testhow to ra disease test for Other treatments and lifestyle changes may include:
Physical therapy, to improve and maintain muscle and joint function
Occupational therapy, to improve ability to do activities of daily living
Nutrition the 1 last update 2020/08/05 counselingNutrition counseling
Regular eye exams to find early eye changes from inflammation
Regular exercise and weight the 1 last update 2020/08/05 controlRegular exercise and weight control
Getting enough rest
Learning to use large joints instead of small joints to move or carry things
ra disease testhow to ra disease test for Nearly half of all children with JIA recover fully. Others may have symptoms for years. Some will have rashes and fever. Others may have arthritis that gets worse. Problems may include slow growth and thinning bones (osteoporosis). In rare cases, there may be problems with the kidneys, heart, or endocrine system.
Help your child manage his or her symptoms by sticking to the treatment plan. This includes getting enough sleep. Encourage exercise and physical therapy and find ways to make it fun. Work with your child''s symptoms get worse or there are new symptoms.
JIA is a form of arthritis in children ages 16 or younger. It causes joint inflammation and stiffness for more than 6 weeks.
The disease may affect a few joints or many joints. It may cause symptoms all over the body.
The most common symptoms include swollen, stiff, warm, red, and painful joints.
Treatment options include medicines, physical therapy, healthy eating and exercise, eye exams, and rest.
Tips for 1 last update 2020/08/05 to help you get the most from a visit to your child’s healthcare provider:Tips to help you get the most from a visit to your child’s healthcare provider:
Know the reason for the visit and what you want to happen.
Before your visit, write down questions you want answered.
At the visit, write down the name of a new diagnosis, and any new medicines, treatments, or tests. Also write down any new instructions your provider gives you for your child.
Know why a new medicine or treatment is prescribed and how it will help your child. Also know what the side effects are.
Ask if your child’s condition can be treated in other ways.
ra disease testhow to ra disease test for Know why a test or procedure is recommended and what the results could mean.
Know what to expect if your child does not take the medicine or have the test or procedure.
If your child has a follow-up appointment, write down the date, time, and purpose for that visit.
Know how you can contact your child’s provider after office hours. This is important if your child becomes ill and you have questions or need advice.