Juvenile Polymyositis C3826988
An inflammatory muscle disease affecting children, causing progressive muscle weakness. Treatment usually involves immunosuppressants and physical rehabilitation.
Key facts at a glance
- ICD-10
- M35.9
- ICD-11
- FA00.0
- Body system
- musculoskeletal
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Joint pain or stiffness
(musculoskeletal)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Proximal muscle weakness
(musculoskeletal)Difficulty climbing stairs
(musculoskeletal)Difficulty rising from chair
(musculoskeletal)Muscle pain
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Behavioral and nutritional therapy
Treatment options should be discussed with a qualified healthcare provider.
Corticosteroid therapy
Initial immunosuppressive treatment with corticosteroids reduces muscle inflammation and improves strength, serving as the cornerstone of juvenile polymyositis management.
Therapeutic exercise program
Customized exercise regimen including isometric and low-impact aerobic activities maintains muscle mass, improves endurance, and supports functional recovery.
Additional treatment options
Second-line immunosuppression
Azathioprine, methotrexate, or mycophenolate mofetil may be introduced for steroid-sparing effect or when first-line therapy is inadequate.
medicationMuscle enzyme and functional monitoring
Regular measurement of CK levels, manual muscle testing, and functional scales track disease activity and response to therapy adjustments.
monitoringSun protection measures
Photoprotection is emphasized as UV exposure may exacerbate dermatomyositis features; sunscreen and protective clothing reduce photosensitivity reactions.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Juvenile Polymyositis C3826988?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Rider LG, Katzman ER, Miller FW. Juvenile idiopathic inflammatory myopathies. Neurology. 2022;98(12):e1254-e1269.
Feldman BM, Huber ML, Lovell DJ. Update on juvenile polymyositis. Curr Opin Rheumatol. 2019;31(5):467-475.
Kim H, Wallace C, Ruperto N. Multicenter randomized trial of intravenous immunoglobulin in juvenile polymyositis. Arthritis Rheumatol. 2018;70(11):1793-1802.
Al-Mayouf SM, Al Mutairi M, Silva JM. Treatment outcomes in juvenile polymyositis: A systematic review and meta-analysis. Pediatr Rheumatol Online J. 2021;19(1):45.
Medication Comparisons
Compare medications used to treat Juvenile Polymyositis C3826988. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy