What is Hypoglycemia?
For people with diabetes, low blood sugar (hypoglycemia) occurs when there's too much insulin and not enough sugar (glucose) in the blood. Hypoglycemia is defined as blood sugar below 70 milligrams per deciliter (mg/dL), or 3.9 millimoles per liter (mmol/L).5
Early signs and symptoms of diabetic hypoglycemia include:5
Irritability or moodiness
Anxiety or nervousness
If diabetic hypoglycemia goes untreated, signs and symptoms of severe hypoglycemia can occur. These include:
5. Diagnostic Criteria and Classification of Hyperglycaemia First Detected in Pregnancy. World Health Organization. Geneva, WHO Press. 2013: 20-23.