Before you had diabetes, no matter what you ate or how active you were, your blood glucose levels stayed within a normal range. But with diabetes, your blood glucose level can rise higher and some diabetes medications can make them go lower than normal. Many factors can change your blood glucose levels. Learning about these can help control your blood glucose levels.
You can use your blood glucose (blood sugar) levels to make decisions about food and activity. These decisions can help you delay or prevent diabetes complications such as heart attack, kidney disease, blindness, and amputation.