DIABETIC DOCTOR NEAR TO ME PLEASE TAKE CARE OF YOUR DIABETES Causes and Risk Factors of Hypoglycemia Hypoglycemia (low blood sugar) occurs when your blood sugar (glucose) levels are less than or equal to 70 mg/ dL and symptoms are present. It can be caused by a number of factors, depending on whether or also have diabetes. In those with diabetes, hypoglycemia causes include not eating enough carbohydrates, exercise, alcohol consumption, taking medications incorrectly, and weight loss. In people without diabetes, hypoglycemia can be caused by medication, drinking too much alcohol, and certain illnesses and disordersIt's also important to note that hypoglycemia usually doesn't occur in people . who are only using dietary modifications.