There are many brands of metformin hydrochloride extended-release tablets, follow the doctor’s advice to take the regular production of drugs can be, there is no which one is better said. Metformin hydrochloride extended-release tablets brand many, each brand it’s the main ingredient of the drug is metformin hydrochloride, as long as after the regular production process to produce the acid metformin extended-release tablets, the quality of the difference is not very big, are trustworthy, do not worry too much. Metformin hydrochloride extended-release tablets can treat pre-diabetes, especially combined with cardiovascular and cerebrovascular disease can be the first choice. But metformin hydrochloride glucose lowering effect is limited, if the glucose lowering effect is not good, but also can be combined with other types of glucose-lowering drugs or insulin treatment. Taking metformin hydrochloride extended-release tablets to lower sugar effect is not good, do not have to change the brand manufacturers, to the hospital timely consultation, according to the doctor’s instructions to adjust the glucose-lowering drugs.