M10.22

Clinical Causes: Certain medications that increase uric acid production, such as diuretics (water pills), are common culprits. Medications used in chemotherapy treatments can also elevate uric acid levels, leading to gout. Other drugs, like aspirin (in low doses), may contribute to the development of gout in some cases. Long-term use of immunosuppressants or certain biologic agents may influence uric acid concentrations. Overuse or misuse of medications that affect kidney function can impair uric acid excretion, increasing risk.

Key Symptoms: Sudden onset of intense joint pain in the elbow, which may worsen over hours. Swelling and tenderness around the elbow joint. Redness and warmth of the skin overlying the affected joint. Limited range of motion due to pain and swelling. Possible fever or chills if an infection accompanies the inflammation.

Diagnosis Path: Diagnosis typically involves a physical examination and a review of the patient's medication history. Laboratory tests, such as blood tests measuring uric acid levels, may be ordered. Sometimes, joint fluid analysis is performed by extracting fluid from the elbow to look for uric acid crystals under a microscope, confirming gout. Imaging studies like X-rays may be used to rule out other causes of joint pain and to assess joint damage.

Treatment Protocols: Managing drug-induced gout focuses on several strategies. Discontinuing or adjusting the medication that causes elevated uric acid levels is often necessary. Anti-inflammatory medications such as nonsteroidal anti-inflammatory drugs (NSAIDs) or corticosteroids can help reduce pain and swelling. In some cases, medications that lower uric acid levels, such as colchicine, allopurinol, or febuxostat, are prescribed for long-term management. Lifestyle modifications, including maintaining a healthy weight, staying hydrated, and avoiding purine-rich foods, can help prevent future attacks. Regular monitoring of uric acid levels is also recommended.