Hyperglycemia refers to high levels of sugar, or glucose, in the blood. It occurs when the body does not produce or use enough insulin. The symptoms or effects of hyperglycemia include increased ...

Medically reviewed by Suzanne Fisher, RDAs you age, your risk for higher blood sugar increases—which raises the risk of type 2 diabetes for adults in their 50s, 60s, and 70s. Using a chart of blood ...

also known as hyperglycemia, can result in diabetic ketoacidosis (DKA) if insulin levels are low. DKA is a medical emergency. Symptoms include: shortness of breath breath that smells fruity nausea ...

This is called the dawn phenomenon. Hyperglycemia can be dangerous because it often does not cause symptoms until glucose levels are very high. People who have had type 2 diabetes for several ...

Many people with type 2 diabetes do not feel symptoms, especially if they’ve recently developed the condition after living with prediabetes. But when blood sugar levels get too high for long ...

Symptoms of marked hyperglycemia include polyuria, polydipsia, weight loss, sometimes with polyphagia, and blurred vision. Impairment of growth and susceptibility to certain infections may also ...