DefinitionHypoglycemia is a condition that occurs when your blood sugar (glucose) is too low.Blood sugar below 70 mg/dL is considered low. Blood sugars at this level can harm you.Alternative NamesInsulin shock; Low blood sugarCauses, incidence, and risk factorsHypoglycemia occurs when:Your body's sugar (glucose) is used up too quicklyGlucose is released into the bloodstream too slowlyToo much insulin is released into the bloodstreamInsulin is a hormone that reduces blood sugar. It is produced by the pancreas in response to increased glucose levels in the blood.Hypoglycemia is relatively common in persons with Diabetes. If you have diabetes and are taking any of the following diabetes medications, you have a risk for low blood sugar:Chlorpropamide (Diabinese), tolazamide (Tolinase), acetohe