Hyperglycemia or high blood glucose
Hyperglycemia means that your blood glucose is above your target range and you need to take action to lower it.
Causes and symptoms of high blood glucose
Causes include:
- too much food
- not enough diabetes pills or insulin
- not enough physical activity
- surgery
- steroid medicine
- illness
- infection
- physical or emotional stress
Symptoms include:
- increased thirst
- frequent urination
- less energy
- blurred vision
- hunger
Treatment and prevention of hyperglycemia
The best way to treat hyperglycemia is to pay attention to your daily routine or manage your diabetes.
In your daily routine:
Call your doctor or diabetes educator if your blood glucose is over 250 mg/dL for 2 to 3 days in a row. You may need a change in your treatment.
If you have type 2 diabetes, follow the blood glucose scale.
Note: We used the word "glucose" instead of the word "sugar" so it does not get it confused with the sugar in food.
 Blood glucose scale for type 2 diabetes
My meal plan Hypoglycemia or low blood glucose Where can I get help in managing my diabetes?
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Source: Allina Patient Education, Basic Skills for Living with Diabetes, fifth edition, ISBN 1-931876-16-9
First published: 12/01/2006
Last updated: 05/01/2009
Reviewed by: Allina Patient Education experts
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