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    Diabetes-Related High and Low Blood Sugar Levels - Prevention

    Take steps to control your blood sugar level

    Although high blood sugar (hyperglycemia) and low blood sugar (hypoglycemia) have very different symptoms and treatments, they are both caused by blood sugar and insulin imbalances. The steps you take to control your blood sugar level will help prevent both high and low blood sugar levels.

    Be sure to have identification that says you have diabetes, such as a medical alert bracelet camera.gif, with you at all times. This will help other people take steps to care for you if you are not able tell them about your medical condition.

    You can take steps to prevent high and low blood sugar emergencies.

    • Follow your treatment plan.
    • Monitor your blood sugar levels regularly to detect early changes before an emergency develops. Treat your symptoms of high or low blood sugar quickly to prevent more problems.
    • Control your stress to actionset.gif prevent your blood sugar level from increasing slowly over several days.
    • Limit how much alcohol you drink. Do not drink alcohol if you have problems recognizing the early signs of low blood sugar.
    • Take precautions when you are driving and do not drive if your blood sugar is below 70 milligrams per deciliter (mg/dL).

    Monitoring and controlling blood sugar levels

    Use home blood sugar tests to determine whether your blood sugar is in your target range. Work with your doctor to set your individual treatment goals. If you can consistently maintain this level of control, you will have very few blood sugar level emergencies.

    Parents can help their actionset.gif child learn how to prevent low blood sugar levels and actionset.gif high blood sugar levels.

    Control stress

    No matter how skilled you are at monitoring and controlling your blood sugar levels, you are still at risk for high or low blood sugar levels that are brought on by stressful situations. Stress can affect your body's blood sugar levels in two ways:

    • It changes the way your body uses insulin, which is mostly a problem for people with type 2 diabetes.
    • It can cause you to change the way you take care of yourself, a problem for all people with diabetes.

    Stress can be both mental and physical. Some examples of stress include an illness, a bad day at work, and a tough problem at home. When you are under stress, your blood sugar levels change. For more information, see the topic Stress Management.

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