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What Are The Symptoms When Your Blood Sugar Is Too High?

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High Blood Glucose: What It Means And How To Treat It

What is high blood glucose? People who do not have diabetes typically have fasting plasma blood glucose levels that run under 100 mg/dl. Your physician will define for you what your target blood glucose should be — identifying a blood glucose target that is as close to normal as possible that you can safely achieve given your overall medical health. In general, high blood glucose, also called 'hyperglycemia', is considered "high" when it is 160 mg/dl or above your individual blood glucose target. Be sure to ask your healthcare provider what he or she thinks is a safe target for you for blood glucose before and after meals. If your blood glucose runs high for long periods of time, this can pose significant problems for you long-term — increased risk of complications, such as eye disease, kidney disease, heart attacks and strokes and more. High blood glucose can pose health problems in the short-term as well. Your treatment plan may need adjustment if the blood glucose stays over 180 mg/dl for 3 days in a row. It is important to aim to keep your blood glucose under control, and treat hyperglycemia when it occurs. What are the symptoms of high blood glucose? Increased thirst Incre Continue reading >>

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Popular Questions

  1. CA92804

    When can you get 'high blood sugar' symptoms?

    Can you have "high blood sugar" symptoms at 140, or even 120? Is there a usual number when one might start having symptoms?
    I am wondering because I get nauseated and headaches often. I was recently diagnosed with diabetes, with an A1c of 6.3. It does not seem like my diabetes is "bad" ('mean plasma glucose' was 147 I think) but I guess it could get that way if I am not careful. Anyway, I have tested when I was nauseated or had a headache, but my sugar was either in the low 100's (110 -120ish I think) or 146 at another time. Could I have hyperglycemia symptoms with blood sugar that's 'not that high'.
    I guess I think of high blood sugar as rising over 200, or in the 200's and not coming down. Am I mistaken?

  2. PG4003

    I can only tell you my own experience. I'm like you, I don't think my diabetes is that "bad", my last A1C was 6.3 and my home testing numbers are usually between 100-120, sometimes a little lower. And I'm not real sure what you mean by "symptoms", the nausea and headache? I can tell you that if I eat too many bad carbs, I do feel bad, I have the nausea and a general overall feeling of what I call "yucky". But as long as my numbers are around 100-120, I don't have any symptoms. I have to get up to at least 160 or higher before I have any symptoms. It doesn't seem like you should be getting these symptoms from 100-120 bg levels. But if there's one thing I've learned, every diabetic body is different. How long have you been taking your Metformin? That should help bring your numbers down. Watch your carbs closely. Keep a food journal, everytime you eat something different, test before and after. You'll soon see which foods are safe for you. Good luck and visit us often!

  3. kraftypixie

    High BGs are a matter of opinion. My meter's logbook lists the American College of Endocrinology's goals as being 110 or lower before meals & 140 or lower 2hrs after a meal. There is a big difference between 100 & 146. Over 200 is what I consider VERY high.
    I think how you feel when you go very high is different for us all, as is what is a 'high' number. I think this has alot to do with what we are used to eating & how we are used to feeling. I was feeling sick on a regular basis before I found out I had T2, but did not connect it to what I ate, as I could eat a different meal & feel just as bad (I think the connection was high carbs). After just 1 week of cutting carbs I went to IHOP & had pancakes with my meal & came home & felt very, very tired & nauseous & my BG was around 250- lightbulb moment.

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