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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 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 of high blood glucose

    • 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 health care provider 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.

    Target blood glucose ranges:

    Fasting: ____________________

    Two hours after meals: ____________________

    Bedtime: ____________________

  • Source: Allina Health's Patient Education Department, Basic Skills for Living with Diabetes, sixth edition
    Reviewed by: Allina Health's Patient Education Department experts
    First published: 12/01/2006
    Last reviewed: 01/09/2015


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