M08.3

Clinical Causes: Genetic predisposition: Family history of autoimmune diseases increases risk. Environmental factors: Possible triggers include infections or other environmental exposures. Immune system malfunction: The body's immune defenses mistakenly attack joint tissues. Unknown factors: Exact causes remain unclear, and multiple factors may contribute.

Key Symptoms: Joint swelling and tenderness, especially in the knees, wrists, and ankles. Persistent pain resulting in discomfort during daily activities. Morning stiffness that lasts for several hours, improving with movement. Reduced joint mobility and flexibility over time. Possible fever, rash, or fatigue in some cases. Growth disturbances or limb length discrepancies if joints are severely affected.

Diagnosis Path: Diagnosis involves a combination of clinical evaluation and laboratory tests. Healthcare providers review the patient's medical history and conduct physical examinations to assess joint involvement. Blood tests can help rule out other forms of arthritis, with negative rheumatoid factor tests indicating seronegative status. Imaging studies like X-rays or MRI scans may reveal joint inflammation, swelling, or damage. No single test confirms the diagnosis; thus, a comprehensive assessment is essential.

Treatment Protocols: Nonsteroidal anti-inflammatory drugs (NSAIDs): To alleviate pain and reduce inflammation. Disease-modifying antirheumatic drugs (DMARDs): Such as methotrexate, to slow disease progression. Biologic agents: Target specific immune system components involved in inflammation. Physical therapy: Maintains joint function, improves flexibility, and strengthens muscles. Regular exercise: Supports joint health and overall well-being. Monitoring and management of growth and development: Ensuring the child's physical progress remains on track. Psychological support: Assisting children and families to cope with chronic illness.