Check your blood sugar immediately if you can
Drink water
Take insulin or diabetes medication exactly as prescribed
Do light physical activity only if your blood sugar is not very high and you do not have ketones
Avoid sugary foods, drinks, and refined carbohydrates
Eat a small, balanced snack if you have not eaten and your blood sugar is dropping
Recheck your blood sugar after 15 to 30 minutes
Seek urgent medical help if you have vomiting, severe weakness, confusion, trouble breathing, chest pain, or very high blood sugar
Call emergency services if you are drowsy, unconscious, or unable to swallow
Follow your doctor’s diabetes plan for high blood sugar episodes