M10.26

Clinical Causes: Use of medications that increase uric acid levels, such as diuretics (e.g., thiazides and loop diuretics). Medications used in chemotherapy that may alter uric acid metabolism. Drugs containing salicylates at low doses, which can affect uric acid excretion. Certain immunosuppressants used in organ transplant recipients. Other medications known to interfere with the body's ability to eliminate uric acid efficiently.

Key Symptoms: Sudden onset of intense knee pain, often waking the individual from sleep. Swelling and tenderness around the knee joint. Redness and warmth over the affected area. Limited range of motion due to pain and swelling. Typically, symptoms develop rapidly and may fluctuate over time.

Diagnosis Path: Diagnosis involves a combination of clinical examination, medical history review, and laboratory tests. Key diagnostic steps include: - Joint fluid analysis: Aspiration of joint fluid to identify monosodium urate crystals under a microscope. - Blood tests: Elevated serum uric acid levels may be observed. - Imaging: X-rays or ultrasound can help evaluate joint damage or crystal deposits. - Review of medication history: To identify drugs potentially causing elevated uric acid levels. Diagnosis requires ruling out other causes of joint pain and confirming the presence of urate crystals related to medication use.

Treatment Protocols: Treatment strategies focus on managing symptoms, reducing uric acid levels, and addressing medication-related causes: - Nonsteroidal anti-inflammatory drugs (NSAIDs) to alleviate pain and inflammation. - Colchicine or corticosteroids to control acute flare-ups. - Adjustments or discontinuation of medications contributing to elevated uric acid levels, under medical supervision. - Lifestyle modifications: Maintaining hydration, dietary adjustments to limit purine intake, and weight management. - Long-term management may include urate-lowering therapies if indicated. It is essential to coordinate with healthcare providers for personalized treatment plans and medication adjustments, ensuring safety and efficacy.