Taking febuxostat may cause elevated blood glucose. Febuxostat belongs to the anti-gout drugs, can inhibit the synthesis of uric acid, reduce the concentration of serum uric acid, can be used for long-term treatment of gout patients with hyperuricemia, but not recommended for patients without clinical manifestations of hyperuricemia. It is contraindicated in patients who are allergic to this drug, or who are being treated with azathioprine or mercaptopurine. Adverse reactions such as liver function abnormalities or failure, allergic reactions, rhabdomyolysis, psychiatric abnormalities may occur after the use of the drug, and hyperglycemia is also occasionally seen after treatment with this drug, so taking febuxostat may cause an increase in blood sugar. Patients who need to use Febuxostat for treatment should use the drug under the guidance of a doctor, and if abnormal blood sugar occurs after using the drug, it is recommended to go to the hospital and ask the doctor to make a judgment.