Blood sugar that's too high or too low can make you feel sick. If you try to control your high or low blood sugar and can't, you may become even sicker and need help. Source: US Department of Health and Human Services. National Diabetes Information Clearinghouse (NDIC).
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What are High and Low
Blood Glucose (Blood Sugar) Levels?
Learn About High and Low Blood Sugar Levels
Sometimes, no matter how hard you try to keep your blood sugar levels in your target range, they will be too high or too low. Blood sugar that's too high or too low can make you feel sick. If you try to control your high or low blood sugar and can't, you may become even sicker and need help. Talk with your doctor to learn about what to do if this happens.
Learn About High Blood Sugar Levels
If your blood sugar levels stay above 180 for more than 1 to 2 hours, they may be too high. High blood sugar means you don't have enough insulin in your body. High blood sugar can happen if you
Be sure to tell your doctor about the other medicines you take. When you're sick, be sure to check your blood sugar levels and keep taking your diabetes medicines.
Signs that blood sugar levels may be too high
TOO HIGH - ABOVE 180
TOO LOW - BELOW 70
Very high blood sugar may also make you feel sick to your stomach.
If your blood sugar levels are high most of the time, or if you have symptoms of high blood sugar, call your doctor. You may need a change in your healthy eating plan, physical activity plan, or medicines.
Learn About Low Blood Sugar Levels
If your blood sugar levels drop below 70, you have low blood glucose. Low blood sugar can come on fast and can be caused by
Sometimes, medicines you take for other health problems can cause your blood glucose levels to drop.
Signs blood glucose levels may be too low
If your blood sugar levels drop lower, you could have severe hypoglycemia, where you pass out or have a seizure. If you have any of these symptoms, check your blood glucose levels. If your blood sugar levels are less than 70, have one of the following right away (following your doctor's advice)
Follow your doctor's advice about what to do in case of an emergency. You should always wear a medical identification bracelet or necklace that shows you have diabetes.
Talk to Your Doctor Always talk to your doctor about what is best for you. Ask your doctor before starting any treatments or making changes in your routine or medicine.
Source: US Department of Health and Human Services. National Diabetes Information Clearinghouse (NDIC) Web site. https://www.diabetes.niddk.nih.gov/dm/pubs/type1and2/monitor.aspx#learn. Accessed March 7, 2014.