A 58-year-old man with painful, swollen first metatarsophalangeal joint, serum urate 0.55 mmol/L and normal renal function is diagnosed with an acute gout flare. What is the most appropriate initial management?AStart allopurinol immediately at high doseBNon-steroidal anti-inflammatory drug at anti-inflammatory dose, if no contraindicationsCLow-dose aspirinDLong-term colchicine prophylaxis onlyEIntra-articular corticosteroid injection is mandatory in all casesCheck my answer