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    Ankylosing Spondylitis in Children

    Anyone can develop ankylosing spondylitis, even children. It’s a type of arthritis that causes inflammation in certain parts of the spine. When it’s found in a child, it’s called juvenile ankylosing spondylitis (JAS). Boys are more likely than girls to develop JAS. The disease often appears during the teen years. It also tends to run in families. Experts think it may be partly genetic. Most cases of JAS occur in children with a gene called HLA-B27. But not all children with this gene develop JAS.

    Symptoms of JAS

    Like other types of arthritis, JAS causes pain and stiffness. The spine and other nearby joints, such as the hip, become inflamed. In serious cases, the disease may break down the joints. Bones may even fuse together.

    Symptoms of JAS may come and go. They often include:

    • Back pain, especially at night while resting

    • Joint pain, especially in the legs

    • Body aches, such as in the shoulders, buttocks, or heels

    • Stiffness in the morning

    • Stooped posture to ease pain

    • Problems inhaling deeply if JAS affects the joints between the ribs and the spine

    • Lack of appetite

    • Extreme tiredness, or fatigue

    • Fever

    • Lack of healthy red blood cells, called anemia

    • Mouth ulcers

    • Poor weight gain

    Some children with JAS also have skin rashes and stomach illnesses. They may have eye problems, too. Their eyes may hurt, turn red, and be sensitive to light. Severe cases of the disease may damage organs, such as the heart and lungs.

    Diagnosing JAS

    To diagnose JAS, your child’s healthcare provider will start with a physical exam. They will ask about your child’s symptoms and health history. An X-ray, ultrasound, CT, or MRI scan may be used to check your child’s spine and other joints. This may show joint damage. Genetic testing can find out if your child has the HLA-B27 gene.

    Your child’s provider may also advise a lab test that checks for inflammation. This test is called an erythrocyte sedimentation rate test. It measures how quickly red blood cells fall to the bottom of a test tube. If your child has inflammation from arthritis, the red blood cells will clump together and fall faster. Other blood tests can be used to rule out other causes of arthritis or rheumatic disease.

    Treating JAS

    There is no known cure for JAS. But treatments can ease pain and stiffness. They can help your child live a more active life. Your child’s provider will choose the best treatment based on your child’s overall health, the severity of the disease, and other factors.

    Several types of medicine can reduce pain and inflammation. These medicines include:

    • Nonsteroidal anti-inflammatory drugs (NSAIDs), such as naproxen or ibuprofen

    • Corticosteroids

    • Muscle relaxants

    • Biologic medicines

    • Disease-modifying antirheumatic drugs (DMARDs)

    Regular exercise can help ease your child’s symptoms. They should do exercises that strengthen the back. Your child’s healthcare provider may also suggest physical therapy. Teaching your child to have proper posture is important, too.

    Online Medical Reviewer: Amy Finke RN BSN
    Online Medical Reviewer: Dan Brennan MD
    Online Medical Reviewer: Heather M Trevino BSN RNC
    Date Last Reviewed: 10/1/2024
    © 2000-2024 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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    Southern New Mexico
    Surgery Center

    2301 Indian Wells Rd. Suite B
    Alamogordo, NM 88310
    www.snmsc.org

    Phone: 575.437.0890
    Fax: 575.437.0905
    Email: info@snmsc.org

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