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Headaches from high blood sugar, not from diabetes?

This has been a problem for me for over a couple years or so. If I eat too much sugar, especially after fasting, I get slightly lethargic and a deep headache that absolutely does not go away with pain killers. The only thing that seems to make me feel better is high protein food like fish or steak.

I have no symptoms of diabetes or prediabetes (hunger, thirst, slow healing, etc.), therefore I highly doubt that's what is causing this. When I told my doctor about this, she simply said "well then don't eat sugar". I understand her premise, but that's not really the point considering that she didn't really look twice at it. No one else I know seems to have this problem, and thinks its weird that this happens to me.

Any suggestions?

Update:

@ Nana Lamb

You're quite rude, and obviously you don't understand that high blood sugar doesn't always mean diabetes. There is a condition called hypoglycemia without diabetes, and the condition is exactly what it says. However, I don't have all the symptoms of that.

As for the subject, I've even researched possible protein deficiencies, vitamin deficiencies, different types of blood sugar conditions, and even different types of anemia, and my symptoms don't match any of them; or will match a couple, but not the majority.

15 Answers

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  • 8 years ago
    Favourite answer

    Many people with Type 2 diabetes never exhibit those symptoms before diagnosis. In fact, you can have insulin resistance, pre-diabetes, and then diabetes for years without ever feeling all that different. We also have a tendency to adjust to small, regular changes in how we feel.

    First, if you are having episodes of high blood sugar, then you have diabetes. I think what you mean is "headaches from a large intake of sugar," which is not the same as "high blood sugar." If you don't have diabetes, then no amount of sugar or any other carbohydrate can give you high blood sugar.

    Second, this is merely speculation, but you could be experiencing reactive hypoglycemia. Reactive hypoglycemia is not pre-diabetes, as the person above me wrote. Pre-diabetes means blood sugar that's abnormal and elevated, but not high enough yet to fully be considered diabetic. Hypoglycemia is low blood sugar. Diabetes happens when the glucose metabolism (which regulates blood sugar) deteriorates over time. As this deterioration occurs, sometimes reactive hypoglycemia is a problem.

    Basically, insulin resistance makes the cells less responsive to insulin, so the pancreas makes more in order to force glucose into the cells. What's more, the pancreas gets a delayed message from the gut to release insulin to combat high blood sugar after eating. So when a person eats, especially a high-carbohydrate meal that causes a sudden influx of blood glucose, there's a blood sugar spike, and then a very large release of insulin to combat the spike. In a person with a healthy glucose metabolism, the cells are responsive to insulin and the pancreas gets the message in a timely manner, so blood sugar never goes high and just enough insulin is made to do the job.

    All this insulin can make you feel tired on its own, and so can the rebound crash. Even if your blood sugar never falls into hypoglycemic range, simply dropping a significant amount can make you feel tired and dizzy and confused. You don't need to have pre-diabetes or insulin resistance or diabetes to have reactive hypoglycemia, but many people who do say that they had years of reactive hypoglycemia when they would eat a lot of carbs.

    Your doctor was dismissive, but the advice works. If you're rebounding from sugar, then limiting sugar will help. If you are trending diabetic, cutting back on all your carbohydrates is a good idea. I do think you should get tested for diabetes and insulin resistance just to be safe.

  • 5 years ago

    1

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  • Anonymous
    4 years ago

    High Blood Sugar Headache

  • 5 years ago

    2

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  • Anonymous
    7 years ago

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  • 8 years ago

    If you think your headaches are from high blood sugar what the he** do you think diabetes is???????

    diabetes IS high blood sugar!! no way around that.

    and you obviously don't know what a carbohydrate is either!! It isn't all sugar and desserts!! It is every plant derived food!!

  • Anonymous
    5 years ago

    Fast To Relieve Your Headache.

  • Anonymous
    5 years ago

    For the best answers, search on this site https://smarturl.im/aDTuQ

    Yes it can, get a glucometer and try to see if your blood sugar levels are high during your headaches go see your doctor!

  • 5 years ago

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