Gliclazide and gliclazide extended-release tablets are both sulfonylurea oral treatment of diabetes drugs, the main difference is the dosage of the two, gliclazide extended-release tablets need to be swallowed whole, not chewed and crushed. Gliclazide and Gliclazide extended-release tablets are suitable for patients with mild and moderate type 2 diabetes mellitus (non-insulin-dependent diabetes mellitus) who have unsatisfactory efficacy of dietary control and physical exercise for 2-3 months, whose pancreatic β-cells have a certain insulin-secreting function, and who do not have acute complications (infections, traumas, ketoacidosis, hyperosmolar and hyperglycemic coma, etc) and are not combined with pregnancy. Gliclazide start dosage of 40-80mg, 1-2 times a day, later adjusted according to the level of blood glucose to 80mg-240mg a day, divided into 2-3 times; to be controlled by blood glucose, the daily maintenance dose; elderly patients discretionary reduction. Gliclazide Extended-Release Tablets are intended for use in adults only at a dose of 30-120mg (1 to 4 tablets) once daily. It is recommended to take it with breakfast. Swallow the tablet whole, do not chew or crush. If you forget to take the medication on one day, the dose should not be increased on the second day. Gliclazide and Gliclazide Extended-Release Tablets Some patients may experience adverse reactions such as mild nausea, vomiting, diarrhea, urticaria, thrombocytopenia. Liver and kidney insufficiency, sulfonylurea allergy is prohibited. It is recommended that patients take medication scientifically under the guidance of a doctor, and should not take medication on their own.