Hyperglycemia refers to a blood sugar level above the target range. It is expected that some blood sugar levels will be above or below target at times, but aim for at least 75% of blood sugar tests to be within the target range.
Learn what causes high blood sugar, symptoms to be aware of, and how to treat it. Diabetic ketoacidosis (DKA) is a dangerous condition that can occur if high blood sugars are not corrected.
