Over time, mismanaged diabetes may cause serious complications including heart disease, stroke, kidney failure, blindness, and nerve damage. Keeping blood glucose levels close to normal is the key to preventing these health problems.
You should monitor your glucose levels regularly by self-monitoring blood glucose (SMBG) or continuous glucose monitoring (CGM) and get familiar with your pattern of glucose readings at various times of the day. Regular self-monitoring provides valuable information that your health care team can use to make decisions about your eating patterns and amounts, medication, and insulin improve control of your diabetes.
Checking your blood glucose also helps prevent immediate problems that can result from glucose levels that are too high (hyperglycemia) or too low (hypoglycemia). Both problems can be serious, if not treated right away.
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