M1A.212

Clinical Causes: Use of medications that increase uric acid levels, such as diuretics, aspirin, and certain immunosuppressants. Chronic use of drugs that impair kidney function, leading to decreased uric acid clearance. Medication-induced alterations in uric acid metabolism that promote crystal formation. Underlying health conditions, such as renal impairment, that exacerbate the risk when combined with certain drugs.

Key Symptoms: Persistent joint pain in the left shoulder that may worsen over time. Swelling, redness, and warmth around the affected shoulder joint. Limited range of motion due to joint discomfort and swelling. Recurrent episodes of pain that may become more frequent and severe without proper management. Possible presence of tophi, which are deposits of uric acid crystals under the skin and around the joint.

Diagnosis Path: Review of medication history to identify drugs associated with increased uric acid levels. Joint aspiration to analyze synovial fluid for uric acid crystals under polarized light microscopy. Blood tests measuring serum uric acid levels, which may be elevated. Imaging studies like ultrasound or X-rays to detect joint damage or tophi. Assessment of kidney function to understand the body's ability to excrete uric acid.

Treatment Protocols: Discontinuing or adjusting medications that contribute to increased uric acid levels, under medical supervision. Use of anti-inflammatory medications such as NSAIDs or corticosteroids to reduce joint inflammation during flare-ups. Uric acid-lowering drugs like colchicine, allopurinol, or febuxostat to control uric acid levels long-term. Lifestyle modifications including dietary changes to reduce purine intake, limit alcohol, and increase hydration. Monitoring kidney function and uric acid levels regularly to prevent progression and manage complications. In severe cases, surgical intervention may be considered to remove tophi or repair joint damage.