(HealthDay News) -- It's important for diabetics to keep their blood sugar (glucose) levels stable. That means taking all medication as prescribed, and following a healthy lifestyle.

When blood glucose levels become too high, the medical condition is called hyperglycemia. The American Diabetes Association offers this list of potential causes:

  • If you're a type 1 diabetic, getting insufficient insulin.
  • If you're a type 2 diabetic, the insulin your body produces may not be processed effectively.
  • Overeating, or lack of exercise.
  • Having an illness or infection.
  • Being under emotional stress.