Services and Programs
Pediatric Endocrinology
Resources for Managing Diabetes - When You
are Sick (Illness Management)
What will happen to my blood sugar when I am sick?
Illness usually makes the blood sugar increase even when you do
not feel like eating. This is because your body requires extra energy
to fight the illness. Your body tries to use sugar stored in the
body for energy. SInce there is not any extra insulin available
to help your body use the sugar, the sugar builds up in your blood
and causes high blood sugar.
Occasionally, the blood sugar may be low when you are ill. This
is especially true when you are vomiting or have diarrhea and are
unable to eat or absorb food and sugar normally.
What should I do when I am sick?
- Check your blood sugar more often (every 2-4 hours).
Your insulin dose may need to be adjusted and these adjustments
should be based on your blood sugar levels. Call the clinic for
advice.
- Test your urine for ketones. Ketones are produced
when your body does not have enough insulin available to use sugar
for energy or when you are not eating. Your body will use fat
stores for energy instead, and when it does, ketones form in the
blood and spill into the urine. Ketones indicate that medical
attention is needed. Call your doctor or nurse if a moderate
or large amount of ketones are present.
What if my blood sugar is high?
If your blood sugar is high (>200), you should drink lots of
sugar-free liquids such as sugar-free Kool-Aid, pop or water, because
your body loses more fluid through urine when sugars are high. Remember
also to check your urine for ketones. Frequently during illness
you will require more insulin. This may be given with your usual
shot or occasionally as an extra injection.
You should call your doctor or nurse if:
- You are not able to drink fluids and are becoming dehydrated.
- Your blood sugar is 300 or greater.
- You have a moderate to large amount of ketones in your urine.
- You experience a change in breathing pattern.
- Vomiting or abdominal pain occurs.
What if my blood sugar is low?
If your blood sugar is low, your insulin may need to be reduced.
Call BEFORE giving an insulin injection whenever you are vomiting
or unable to eat normally. If you are not eating, and your blood
sugar is less than 200, you will need to drink sugar-containing
liquids to maintain your blood sugar. The amount of carbohydrate
in these fluids can be calculated so that the liquid diet resembles
your normal exchange diet, or is about 15 grams of CHO/hour.
Here are some examples of liquids or foods that can be used when
you are sick and unable to eat normally:
Are there any medications I can't take?
Many over-the-counter medications (i.e., cold medicine, Tylenol,
etc.) contain sugar flavoring. The amount of sugar in these preparations
is small and is not enough to raise blood sugar readings significantly,
despite the fact that many of the labels on these medications will
recommend avoiding them if you have diabetes. Most cold medications
have warnings for diabetics even if they don't contain sugar. This
concerns the decongestant ingredient and does not generally apply
to children. These medications can be taken unless you have been
told to avoid them for some other reason.
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