M10.212

Clinical Causes: Use of certain medications such as diuretics (water pills), which can reduce uric acid elimination from the kidneys. Drugs used in chemotherapy, which may alter purine metabolism. Medication containing salicylates, especially in high doses. Immunosuppressive drugs like cyclosporine used after transplants. Other medications that interfere with uric acid excretion or increase its production.

Key Symptoms: Sudden onset of severe pain in the affected shoulder. Swelling and warmth around the shoulder joint. Redness of the skin over the shoulder. Limited range of motion due to pain and swelling. Possible fever or chills if inflammation is significant. The pain may persist or recur episodically if the cause is not addressed.

Diagnosis Path: Medical history review, focusing on recent medication use. Physical examination to assess joint swelling, warmth, and tenderness. Blood tests to measure uric acid levels, which are often elevated. Joint fluid analysis to identify uric acid crystals under a microscope. Imaging studies such as X-rays to rule out other joint issues and monitor joint damage. Differentiating from other causes of shoulder pain, like rotator cuff injuries or arthritis.

Treatment Protocols: Discontinuation or adjustment of the offending medication, under medical supervision. Use of anti-inflammatory medications such as NSAIDs to reduce pain and swelling. Colchicine may be prescribed to alleviate acute gout attacks. Corticosteroids may be administered orally or injected into the joint if necessary. Lifestyle modifications, including a diet low in purines, limiting alcohol, and staying well-hydrated. Monitoring uric acid levels and managing them through medication if chronic gout develops. Follow-up for ongoing joint health and to prevent future episodes.