Gevax is the brand name and the generic name is Metformin Hydrochloride Tablets. Metformin hydrochloride tablets for the elderly can help control blood sugar from a therapeutic point of view; however, there are cases where side effects occur, so whether it is a good idea to take the drug needs to vary from person to person. Metformin hydrochloride tablets belong to the hypoglycemic class of drugs, mostly used for poor dietary control of type II diabetes group. If the elderly because the body of pancreatic islet cell destruction, resulting in relative or absolute lack of insulin, triggered by high blood sugar sugar state, you can follow the doctor’s instructions to take the drug, will not affect the normal secretion of insulin, but also reduce the output of glucose in the liver, reduce the incidence of vascular disease, and so on. However, the use of any drug has a certain degree of risk, if the elderly with serious chronic complications, such as diabetic fundopathy, hepatic and renal insufficiency, heart failure, etc., it is not advisable to take metformin hydrochloride tablets, so as not to lead to other serious consequences. In addition, metformin hydrochloride tablets should be used with caution for the elderly over 70 years of age, who are more prone to lactic acidosis. On the question of whether it is good for the elderly to take metformin hydrochloride tablets, it is recommended to consult a professional doctor to avoid taking the drug privately.