The classic symptoms of diabetes are due to high blood sugar (hyperglycemia). Hyperglycemia is usually defined as a blood glucose level of 180 mg/dL or higher, but not everyone will have symptoms at that blood glucose level. Symptoms of hyperglycemia can include:
Hypoglycemia, or low blood sugar, is usually defined as 70 mg/dL or less. Hypoglycemia is a common problem for people with diabetes who take insulin or sulfonylurea pills (glipizide, glimepiride, or glyburide). Hypoglycemia can cause a variety of symptoms, so it is important to identify how your body reacts when your blood glucose is too low. Symptoms of low blood glucose include:
What should you do if your blood sugar level is less than 70mg/dl? Follow the rule of 15: