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How High Is Too High For Blood Sugar Levels?

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When Your Blood Sugar Is Too High Or Too Low

Sometimes, no matter how hard you try to keep your blood sugar in the range your doctor has advised, it can be too high or too low. Blood sugar that is too high or too low can make you very sick. Here's how to handle these emergencies. What You Need to Know about High Blood Sugar If your blood sugar stays over 240, it is too high. High blood sugar usually comes on slowly. It happens when you don't have enough insulin in your body. High blood sugar can happen if you miss taking your diabetes medicine, eat too much, or don't get enough exercise. Sometimes, medicines you take for other problems may cause high blood sugar. Be sure to tell your doctor about other medicines you take. This chart shows the ranges of blood sugar. Having an infection or being sick or under stress can also make your blood sugar too high. That is why it is very important to test your blood and keep taking your medicine (insulin or diabetes pills) when you have an infection or are sick. Your blood sugar may be too high if you are very thirsty and tired, have blurry vision, are losing weight fast, and have to go to the bathroom often. Very high blood sugar may make you feel sick to your stomach, faint, or throw Continue reading >>

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Popular Questions

  1. lorimac

    when is a blood sugar level too high

    I have just recently been diagnosed with Type 1 diabetes (as in five days ago) at age 23. The past two nights I have checked my sugars and the screen has read HI. What exactly does this mean? I once had a level of 512 so does this mean it is higher than that reading? Should i contact my doctor if I get a reading that says HI? sorry so many questions, but i'm still pretty confused about all of this. I am meeting with a diabetes educator tomorrow so hopefully it will make more sense then. Thanks
    Lori

  2. Lois

    If your meter has given you readings "HI" for some time, then you need to call your doctor and let them know. He may have you go to the ER. With these high readings are you experiencing the same symptoms you had when they diagnosed you? The average for glucose levels is 70-110, but your doctor should have told you what a good goal was for you. Give your doctor a call tonight and let them know. It is not good to keep your numbers that high.

  3. Amy

    hi Lorimac, I know how you feel, my blood sugar read HI last night too, I was at work then I took more insulin got it down to 360, took more insulin got it way down to 73> I used to live in Huntsville, AL. thats where I was diagnosed back in 2003

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