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When Is Blood Sugar Levels Dangerous

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What Is Considered A High Blood Sugar Level For A Diabetic?

Without diabetes, your blood sugar should stay within the range of 70 to 120 milligrams per deciliter. But if you are diagnosed with diabetes, a more normal range for you may be between 80 and 180 milligrams per deciliter, according to the Juvenile Diabetes Research Foundation. Clearly, anything outside of this range is dangerous for a diabetic, and when it gets to a certain level, you may require immediate medical attention. Video of the Day Anytime blood sugar is more than 240 milligrams per deciliter, it’s a cause for concern among diabetics. It is particularly dangerous if your sugar is this high before a meal, since consuming any food would probably cause it to rise even more. When your blood glucose is above 240 milligrams per deciliter, it means your system isn’t getting the energy it needs from glucose and could start breaking down fats. Your body starts producing ketones, which stem from fat deconstruction, possibly putting you into ketoacidosis that could lead to a diabetic coma. If your blood sugar surges to over 300 milligrams per deciliter, contact your physician immediately, since it could be life-threatening. Continue reading >>

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  1. Northern-Mike

    Hi,
    Its been a little while since I last posted here. I am having an ongoing debate, is having blood sugars in the 400's dangerous? While I know that it is not good to have them that high, I am yet to be convinced that numbers in the those levels can kill you.
    What I do know is that this past week my blood sugars did go over 400 and I went to the ER. They kept me overnight trying to get my blood sugar down. But I was in a waiting area for a couple of hours before even being treated and my numbers naturally went down. Then they put me in a room and gave me an IV, etc.
    Another time while being on this forums chat room, I had elevated blood sugars in the high 300's. At the advice of fellow chatters, I called my diabetes Dr. who told me to take extra Glyburide instead.
    So, I am confused, is it really dangerous to be that high or is it in the eye of the beholder instead.
    Thank you for your replies!
    Mike

  2. xMenace

    It is dangerous, but not likely acutely dangerous.
    It is possible for it to become accutely dangerous. More than a day in a row can lead to diabetic ketoacidosis, a dangerous and possibly deadly condition. We're talking usually days, but it can happen fast in some.
    The biggest danger is complications, the longer term effects. There is no doubt that continued 400's will result in likely multiple of retinopathy , infection, amputation, nephropathy, heart disease, neuropathy, and possibly more. It is not medium term sustainable.

  3. Caravaggio

    For some people, when their blood sugar number is extremely high, they get blurred vision, become extremely dizzy, exhibit drunkenness, faint or show other physical/physiological symptoms that may cause them to be an immediate danger to themselves or others.

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