Left untreated, diabetic ketoacidosis can lead to a diabetic coma. Diabetic ketoacidosis is most common
in people who have
type 1 diabetes, but it can also affect people who have type 2 diabetes or gestational diabetes.
â– Diabetic hyperosmolar syndrome. If your blood sugar level tops 600 milligrams per deciliter (mg/dL), or 33 millimoles per liter (mmol/L), the condition is known as diabetic hyperosmolar syndrome. When your blood sugar gets this high, your blood becomes thick and syrupy.