There is a definite connection between diabetes and hyperglycemia. In fact, hyperglycemia can be one of the warning signs that somebody has diabetes mellitus. Hyperglycemia means high blood sugar. Blood sugar levels can be measured fasting and after eating.

According to the American Diabetes Association, when fasting blood sugar levels are over 100 it is considered hyperglycemia. After eating, hyperglycemia may be diagnosed if blood sugar levels are over 150. Hyperglycemia can be a symptom of diabetes. It can also be an indication that diabetes is not being controlled well. Hyperglycemia without diabetes is possible. However, the body typically does an excellent job of keeping blood sugar within normal levels. Thus, hyperglycemia is usually a symptom of something else, such as stress, diabetes or kidney problems.

Diabetes mellitus is a condition that occurs when the body is unable to produce or utilize the insulin hormone properly. The pancreas is …