Skip to main content

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

  • If you see this message, you must refresh before proceeding with editing!

Copyright Information

This site is presented for information only and is not intended to substitute for professional medical advice. Allina Health®, Allina®, the Allina Health logo, and Medformation® are registered trademarks of Allina Health System. Presentation and Design ©2015 Allina Health. ALL RIGHTS RESERVED