M10.2

Clinical Causes: Use of diuretics (water pills), especially thiazide and loop diuretics Medications for tuberculosis, such as pyrazinamide and ethambutol Low-dose aspirin therapy Cytotoxic agents used in chemotherapy Certain medications for rheumatoid arthritis (e.g., leflunomide) Medications that impair renal clearance of uric acid Use of immunosuppressants, such as cyclosporine

Key Symptoms: Sudden onset of joint pain, often affecting the big toe Swelling and redness around the affected joint Tenderness that worsens with touch or movement Persistent discomfort in and around the joint during flare-ups Occasional fever and chills during severe attacks Recurrent gout attacks if the underlying cause isn’t addressed

Diagnosis Path: Diagnosing drug-induced gout involves a combination of medical history review, physical examinations, and laboratory tests. Key diagnostic steps include: - Blood tests to measure serum uric acid levels - Joint fluid analysis to identify uric acid crystals under microscopic examination - Review of medication history to identify drugs associated with increased uric acid - Imaging tests, like ultrasound or X-rays, to detect joint damage or tophi (urate crystal deposits) Healthcare providers may also evaluate renal function, as impaired kidney function can contribute to hyperuricemia and gout.

Treatment Protocols: Managing drug-induced gout involves several approaches: - Adjustments to medication: Temporarily discontinuing or switching medications that elevate uric acid levels under medical supervision - Pain relief: Using NSAIDs (non-steroidal anti-inflammatory drugs) to reduce pain and inflammation during attacks - Uric acid lowering therapies: Prescribing medications such as allopurinol or febuxostat to reduce uric acid production - Lifestyle modifications: Adopting a diet low in purines, avoiding alcohol, staying well-hydrated, and maintaining a healthy weight - Monitoring uric acid levels regularly It is essential to work closely with healthcare professionals to develop a personalized plan that minimizes adverse effects while treating the underlying causes of gout.