Overview

Diabetic hypoglycemia occurs when someone with diabetes doesn’t have enough sugar (glucose) in his or her blood. Glucose is the main source of fuel for the body and brain, so you can’t function well if you don’t have enough.

For many people, low blood sugar (hypoglycemia) is a blood sugar level below 70 milligrams per deciliter (mg/dL), or 3.9 millimoles per liter (mmol/L). But your numbers might be different. Ask your health care provider about the appropriate range to keep your blood sugar (target range).

Pay attention to the early warning signs of hypoglycemia and treat low blood sugar promptly. You can raise your blood sugar quickly by eating or drinking a simple sugar source, such as glucose tablets, hard candy or fruit juice. Tell family and friends what symptoms to look for and what to do if you’re not able to treat the condition yourself.


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