Taking gliclazide extended-release tablets does not usually cause urinary tract infections. Gliclazide Extended-Release Tablets are mainly used for adult patients with type 2 diabetes mellitus in whom dietary control, exercise therapy and weight loss alone are insufficient to control blood glucose levels. Adverse reactions such as hypoglycemia, gastrointestinal dysfunction, rash, leukopenia, hepatobiliary disorders, and visual disturbances may occur after administration, and prompt discontinuation of the drug and medical attention are recommended. For patients with known hypersensitivity to gliclazide or one of the excipients and other sulfonylureas, sulfonamides, type 1 diabetes, diabetic ketoacidosis and other patients need to be prohibited. And urinary tract infection is an inflammation caused by pathogenic microorganisms invading the urinary system such as kidney, ureter, bladder, urethra and so on. Therefore, taking gliclazide extended-release tablets generally does not cause urinary system infection. In addition, patients are advised to use Gliclazide extended-release tablets under the guidance of a doctor and not to use it privately.