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Sick Day Tips for People with Diabetes

Control Your Blood Sugar and Get Well

When you have diabetes, managing your blood sugar while you are sick or injured can be challenging. Any illness or injury—like a cold, the flu, a sprained ankle, a pulled tooth, or major surgery—can wreak havoc on your blood sugar control. That’s because everything your body does to fight an infection or repair itself uses hormones that naturally raise your blood glucose levels. In order to prevent out-of-control blood sugar, and possibly an emergency room visit or a hospital stay, you must be extra vigilant with your monitoring. Taking good care of yourself is a must!

What you should do:
  • Check your blood sugar every 2 to 4 hours and record results in a log book.
  • Continue to take your diabetes medications as prescribed by your doctor. If you think you may have vomited your dose, call your doctor.
  • Check your urine for ketones if your blood sugar is over 240mg/dl, or as directed by your physician.
  • Take your temperature every 2 to 4 hours.
  • If possible, follow your regular meal plan and eat as you typically would. Try to eat the same amount of carbohydrates you normally do (typically 45 to 60 grams per meal, or as recommended by your diabetes care team).
  • Be prepared. Keep several "sick day" foods stocked in your pantry. You never know when you’ll get sick.
  • Drink 8 ounces of carbohydrate-free liquids (such as water) per hour. Black coffee, tea, broth, diet soft drinks, sugar-free Popsicles and sugar-free gelatin can all provide needed liquids without any carbohydrates.
Sick-Day Foods for People with Diabetes
If you are having difficulty eating due to nausea or lack of appetite, see the chart below for suggested foods that can be used temporarily as substitutes for traditional meals. Though some of these foods lack nutritional value in the traditional sense, they will provide you with the carbohydrates necessary to help keep your blood sugar under control. For example, 1/2 cup of fruit juice, and 1 cup of regular gelatin equals 45 grams of carbohydrate that you may be able to keep down more easily than traditional foods.

Food Serving Size Carbohydrate Count
Soda pop, regular 1/2 cup 15 grams
Fruit juice 1/2 cup 15 grams
Milk 1 cup 15 grams
Vanilla ice cream 1/2 cup 15 grams
Oatmeal 1/2 cup, cooked 15 grams
Gelatin (regular) 1/2 cup 15 grams
Sherbet 1/2 cup 15 grams
Sports drink 1 cup 15 grams
Frozen fruit juice bar 1 bar 30 grams
Popsicle, regular 2 pops 15 grams
Yogurt, regular fruit-flavored 8 oz 30 grams
Yogurt, light 8 oz 15 grams
Pudding, regular 1/2 cup 30 grams
Pudding, sugar free 1/2 cup 15 grams
Chicken noodle soup 1 cup 15 grams
Applesauce, unsweetened 1/2 cup 15 grams

Call your doctor if:
  • Your blood sugar level is above 240 mg/dl or below 70mg/dl
  • You test positive for ketones in your urine
  • You are vomiting
  • You have diarrhea
  • You have a fever of 101.5 degrees or higher
  • You have a fever that lasts longer than 24 hours
  • You have other unexplained symptoms like severe pain, dizziness, shortness of breath, or extreme fatigue.
  • You have any questions or concerns about what you should do when you are sick
"Sick-Day Guidelines." Clinical Diabetes. VOL. 18 NO. 3 Summer 2000.

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Member Comments

    Very good to know. Thanks so much!

    I have to give up watching movie in Netflix to follow exercise and be on diet.

  • Very informative article, thanks for sharing!
  • Thank You for a very informative article.
  • At least for T2 diabetics, this advice is awful. You need fluids, but if your body doesn't want food, why drive up blood sugar levels pushing it in.

    And, if you're T2 and your blood sugar drops too low when you don't eat even though your body is going through processes that drive blood sugar upward, maybe that's a sign that you're medicating your regular diet and should change what you eat when you feel better, too.

    I second what DOGMANDAVE said, "Go watch Dr. Sarah Hallberg," or pay a visit to
    Great preparation ideas
  • It is extremely important to NOT take your regular medication doses if you are not eating due to illness. This can put you into a dangerously low blood sugar requiring emergency care. This happened to me twice. Please contact your Dr if you are not eating for assistance on how to handle diabetes medication.
  • I am not a diabetic yet, but I am sure it is coming. Both parents had it and all my grandparents had it. Some of my family was not good at controlling it, eating the wrong things while not properly monitoring their sugar, yet they survived to old age.

    As a child, I was raised on Grandma's Sweet n Low, but I hope that I can manage it better since there is more knowledge and resources out there for diabetics.

    Thanks for writing this article. It was a great reminder for me.
    Bad advice. No distinction among the types of diabetes. To be better informed, look for info from Dr. Sarah Hallberg.
  • Thanks for the information. I don't drink soda but I do coffee. I didn't know that about coffee. Good article.
  • Diet soda and caffeinated drinks are not healthy suggestions for someone trying to hydrate. Caffeine dehydrates you, and diet soda chemicals are very unhealthy, not to mention addicting and make you crave more sugar.
    Though I don't have diabetes, I know many who do, and I'll be sure to pass on this valuable information to them. Thank you!
    Nice to know now, patella fracture meaning cannot exercise for at least 21 days
  • Good to know ... I'm currently dealing with a cold, sore throat and ear infections so the timing of the article is great!

About The Author

Amy L. Poetker Amy L. Poetker
Amy Poetker is a licensed and registered dietitian and certified diabetes educator with a master's degree in dietetics. Amy, who has spent most of her career working in diabetes education, is dedicated to the treatment of that disease and the prevention of related complications. See all of Amy's articles.

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