M02.131

Clinical Causes: Previous bacterial or parasitic intestinal infections, especially with pathogens such as Shigella, Salmonella, or Campylobacter An immune system response that mistakenly targets the joints after an infection Genetic predisposition that influences immune responses to infections Certain environmental factors or exposures that increase susceptibility to infections

Key Symptoms: Joint pain and swelling in the right wrist, often developing 2-6 weeks after intestinal symptoms subsided Stiffness in the affected wrist, especially in the morning or after periods of inactivity Reduced range of motion in the right wrist Possible warmth or redness over the joint area General fatigue and sometimes mild fever during active phases Symmetric or asymmetric joint involvement, sometimes affecting other joints

Diagnosis Path: Diagnosing postdysenteric arthropathy involves a combination of medical history, physical examination, and specific tests. The healthcare provider will inquire about prior gastrointestinal illnesses and current symptoms. Physical assessment focuses on joint swelling, tenderness, and range of motion. Laboratory tests may include blood tests to check for inflammation markers, such as ESR or CRP, and to rule out other causes. Joint aspiration and analysis of synovial fluid can detect infection or inflammation. Imaging studies, like X-rays or MRI, can help assess joint damage and rule out other conditions.

Treatment Protocols: Nonsteroidal anti-inflammatory drugs (NSAIDs) to reduce pain and inflammation Physical therapy to maintain joint function and strength Rest and joint support during flare-ups Disease-modifying antirheumatic drugs (DMARDs) or corticosteroids may be considered in persistent or severe cases Treating any ongoing or residual infections when necessary Monitoring for the development of additional joint involvement or complications