How High Is Too High For Blood Sugar Levels?

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Diabetic Coma

Print Overview A diabetic coma is a life-threatening diabetes complication that causes unconsciousness. If you have diabetes, dangerously high blood sugar (hyperglycemia) or dangerously low blood sugar (hypoglycemia) can lead to a diabetic coma. If you lapse into a diabetic coma, you're alive — but you can't awaken or respond purposefully to sights, sounds or other types of stimulation. Left untreated, a diabetic coma can be fatal. The prospect of a diabetic coma is scary, but fortunately you can take steps to help prevent it. Start by following your diabetes treatment plan. Symptoms Before developing a diabetic coma, you'll usually experience signs and symptoms of high blood sugar or low blood sugar. High blood sugar (hyperglycemia) If your blood sugar level is too high, you may experience: Increased thirst Frequent urination Fatigue Nausea and vomiting Shortness of breath Stomach pain Fruity breath odor A very dry mouth A rapid heartbeat Low blood sugar (hypoglycemia) Signs and symptoms of a low blood sugar level may include: Shakiness or nervousness Anxiety Fatigue Weakness Sweating Hunger Nausea Dizziness or light-headedness Difficulty speaking Confusion Some people, especial 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

  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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