Whether you should change your usual dose of diabetes medicines. Even if you’re unable to eat or keep food down your blood glucose will rise just because you’re sick. You might even have to take more insulin or diabetes medication than usual to control your blood glucose.
What to eat and drink. To keep your blood glucose steady, you should aim to get about 50 grams of carbohydrate every 3 to 4 hours. Consider foods such as saltine crackers, dry toast, soup, broth or bouillon, frozen yogurt, regular ice cream, Jello, sherbet, and applesauce—the regular versions, not sugar-free. If you can’t hold food down drink clear liquids that contain sugar.
When to call your doctor. You should call your doctor when: