Take febuxostat tablets once a day, before and after meals, without regard to the effects of food and antacids. However, it should be used with caution in patients taking azathioprine, mercaptopurine and cholecalciferol. Febuxostat is a xanthine oxidase inhibitor and is primarily used for the treatment of hyperuricemia with gout symptoms. It is not recommended for patients with asymptomatic hyperuricemia. If mild to moderate renal insufficiency, mild to moderate hepatic impairment or elderly patients can take it as normal as prescribed by the doctor, it is recommended that the course of medication should be at least 6 months. The application of the drug is accompanied by the administration of a non-steroidal anti-inflammatory analgesic or colchicine to prevent acute attacks of gout. Common adverse effects of this drug include abnormal liver function, nausea and arthralgia, etc. For patients with abnormal liver function, they should be taken as prescribed by their doctors. The dosage of febuxostat tablets should be evaluated according to the condition and should be taken as prescribed by a rheumatologist.