M1A.252

Clinical Causes: Prolonged use of medications that increase uric acid levels, such as diuretics (e.g., hydrochlorothiazide and furosemide). Use of immunosuppressants or drugs that interfere with uric acid excretion. Certain chemotherapy drugs that can alter purine metabolism. Chronic intake of medication containing salicylates or other substances that promote uric acid retention. Underlying medical conditions that predispose to gout, such as renal impairment, may be exacerbated by medication effects.

Key Symptoms: Persistent joint pain, often worse at night or in the early morning. Swelling and redness around the affected joint, in this case, the left hip. Limited range of motion in the affected hip joint. Tenderness to touch over the joint. Possible formation of tophi, which are deposits of uric acid crystals under the skin, especially in chronic cases. Recurrent episodes of gout flare-ups that may become more frequent over time.

Diagnosis Path: Diagnosis typically involves a combination of clinical evaluation and laboratory tests. Key steps include: - Medical history review to identify medication use and symptom pattern. - Physical examination focusing on the affected joint. - Blood tests to measure serum uric acid levels. - Joint aspiration, where synovial fluid is extracted and examined microscopically for uric acid crystals. - Imaging studies such as X-rays or ultrasound to assess joint damage and crystal deposits.

Treatment Protocols: Managing drug-induced chronic gout involves several approaches: - Adjusting or discontinuing the offending medication under medical supervision. - Using medications to lower uric acid levels, such as allopurinol or febuxostat. - Anti-inflammatory drugs (e.g., NSAIDs, colchicine, or corticosteroids) to control pain and inflammation during flare-ups. - Lifestyle modifications, including dietary changes to reduce purine intake (limiting red meat, shellfish, and alcohol) and increasing hydration. - Regular monitoring of uric acid levels to evaluate treatment progress. - Physical therapy or joint support measures to maintain mobility and function. - Addressing other health conditions that may influence gout risk, such as kidney health or obesity.