Introduction
High blood sugar, also called hyperglycemia, occurs when the sugar
(glucose) level in the blood rises above normal. For a person who has
diabetes, high blood sugar may be caused by missed
oral diabetes medicine or insulin injection, eating too much, skipping physical
activity, or illness or stress. The rapid growth during the teen years can also
make it more difficult to keep your child's blood sugar levels within a target
range.
Unlike low blood sugar, high blood sugar usually develops slowly
over a period of hours or days. But it can also develop quickly (in just a few
hours) if you eat a large meal or miss an insulin dose. Blood sugar levels just
above the safe range may make a person feel tired and thirsty. If your child's
blood sugar level stays higher than normal, his or her body will adjust to that
level. Over time, high blood sugar damages the eyes, heart, kidneys, blood
vessels, and nerves. If your child's blood sugar continues to rise, his or her
kidneys will increase the amount of urine produced and your child can become
dehydrated. If your child becomes severely dehydrated, he or she can go into a
coma and possibly die.
Unless you or your child fails to notice the symptoms, you usually
have time to treat high blood sugar so that it doesn't become an emergency
situation. Three steps can help you prevent high blood sugar problems:
- Test your child's blood sugar often, especially
during illnesses or when he or she is not following a normal routine. A child
may not have symptoms of high blood sugar, which are fatigue and increased
thirst and urination.
- Notify the doctor if your child has frequent
high blood sugar levels or the blood sugar level is consistently staying above
the target range. The medicine or insulin dosage may need to be adjusted or
changed.
- Encourage your child to drink extra water or
noncaffeinated, sugar-free drinks to prevent dehydration.
What are high blood sugar emergencies?
Why should high blood sugar be prevented?
How can you prevent high blood sugar?
Where to go from here
More information about diabetes in children can be found in these
topics:
Return to topic: