When Your Blood Glucose Is Too High or Too LowSometimes, no matter how hard you try to keep your blood glucose in your target range, it will be too high or too low. Blood glucose that too high or too low can make you feel sick. Learn how to handle these emergencies.What You Need to Know about High Blood GlucoseIf your blood glucose stays above 180, it may be too high. See the chart on page 8. High blood glucose means you don have enough insulin in your body. High blood glucose, also called hyperglycemia, can happen if you miss taking your diabetes medicines, eat too much, or don get enough exercise. Sometimes, the medicines you take for other problems cause high blood glucose. Be sure to tell your doctor about other medicines you take. Having an infection, being sick, or being under stress can also make your blood glucose too high. When youe sick, be sure to check your blood glucose and keep taking your diabetes medicines. For more about how to take care of yourself when youe sick, see page 50. If youe very thirsty and tired, have blurry vision, and have to go to the bathroom often, your blood glucose may be too high. Very high blood glucose may also make you feel sick to your stomach. If your blood glucose is high much of the time, or if you have symptoms of high blood glucose, call your doctor. You may need a change in your diabetes medicines or your meal plan.27
