Patient was instructed on hypoglycemia. Hypoglycemia may result from a variety of causes that include: illnesses and other health conditions. Hypoglycemia may occur when other diseases and disorders affect the body's sugar metabolism. These can include disorders of the pancreas and endocrine system; diseases of the liver, adrenal glands (such as Addison's disease), or kidneys; heart failure, which can impair liver function; and sepsis. In very rare cases, nonpancreatic tumors cause hypoglycemia.