Pharmacological prophylaxis in patients with recurrent gout, clinical tophi, or radiological erosiosns. * Contraindications to uricosuric drugs include: known urate calculi, renal impairment (creatinine clearance <50 ml/min), 24 hour urinary urate > 800 mg, or previous intolerance. Pharmacological prophylaxis in patients with recurrent gout, clinical tophi, or radiological erosiosns. * Contraindications to uricosuric drugs include: known urate calculi, renal impairment (creatinine clearance <50 ml/min), 24 hour urinary urate > 800 mg, or previous intolerance. E Suresh Postgrad Med J 2005;81:572-579 Copyright © The Fellowship of Postgraduate Medicine. All rights reserved.