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Doctor insights on: Sudden Drop In Blood Sugar Causes

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Blood Sugar (Definition)

The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. Glucose is the primary source of energy for the body's cells, and blood lipids (in the form of fats and oils) are primarily ...Read more


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Can a sudden drop in blood sugar levels cause epinephrine release even if it doesn't drop below 5.Ommol/l?

Can a sudden drop in blood sugar levels cause epinephrine release even if it doesn't drop below 5.Ommol/l?

Yes: This is known as a false hypoglycemic reaction, where a rapid drop of sugar from a high level to a more normal level can cause hypoglycemic symptoms. This typically occurs in diabetics with poor blood sugar control. It can occasionally occur in people who are not diabetic but have reactive hypoglycemia. Read more

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What should my blood glucose/ blood sugar be at?

What should my blood glucose/ blood sugar be at?

70-99mg/dl fasting: Normal blood sugars are between 70-100mg/dl when you are in a fasting state (at least 8hrs). Diabetes is present when the number hits 126mg/dl in the fasting state. When the sugars fall in between these ranges (100-125), this would be considered impaired fasting glucose or pre-diabetes (borderline diabetes). Read more

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Will 4 grams of sugar affect fasting blood glucose?

Do you have diabetes: If you have diabetes the more sugar you take the higher your blood sugar is likely to be. If you don't have diabetes it is likely that 4 grams of sugar won't affect your diabetes. Why are you taking 4 grams of sugar? Are you really weighing it? Read more

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I smoke rarely, every few days I would have one. Would I be able to keep a good blood glucose/sugar level if I just have just one cigarette?

Your blood: Sugar depends upon thousands of things, most of which you cannot control. You can, however, control diet, exercise, risk factors, medication, monitoring, glucose control etc. Smoking is one of those thing you an also control. It's not up to me to tell you how much you can get away with before you have trouble, because it's impossible to state with certainty. Your choice. I can't give permission. Read more

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Is it true that 5 grams of table sugar will not raise your blood glucose level? (Assuming nothing else consumed with it--just the 5 g of sugar)

Is it true that 5 grams of table sugar will not raise your blood glucose level? (Assuming nothing else consumed with it--just the 5 g of sugar)

Sugar: 42 M: Is it true that 5 grams of table sugar will not raise your blood glucose level? (Assuming nothing else consumed with it--just the 5 g of sugar) ANS: This will depend on how large you are but not likely to increase BS. Easy to test in you. Let us know. Read more

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What is making my vision blur? Its worse when I eat sugar or blood glucose goes below 5.0mmol but is sometimes blurred when glucose level is good. Idea

What is making my vision blur? Its worse when I eat sugar or blood glucose goes below 5.0mmol but is sometimes blurred when glucose level is good. Idea

Fluctuating glucose: Patients with fluctuating blood sugar levels often have fluctuations in vision. It could be simply that, something like latent hyperopia and need for glasses, or something more serious. You need a good eye exam to diagnose. Diabetics need to be seen annually at the least. Read more

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What are the causes of a sudden drop in blood sugar?

Doesn't happen: If you're overweight and you eat, your blood sugar increases. Your body is designed to drop that sugar back to normal; that's what it's supposed to do. When it does that you may have mild symptoms, but they will not harm you. How do you know your sugar is dropping, as people are generally not able to predict blood sugar accurately, they just think they know. Don't fall for internet scams either. Read more

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Can eating something with to much sugar for breakfast cause a drop in blood sugar in the afternoon? I felt shakes and it was 73after ate it was 109.

Can eating something with to much sugar for breakfast cause a drop in blood sugar in the afternoon? I felt shakes and it was 73after ate it was 109.

No: In my 35 years of practice, I have never seen a case of reactive hypoglycemia. The disorder doesn't exist, if you're overweight the symptoms are a natural response to your glucose level returning to normal. Lose weight and you won't have these symptoms. In the meantime they won't harm you in any way. Read more

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Is it possible that having fun in a concert crowd cause blood sugar to drop?

No, but: Physical activity can lead to some lowering of blood sugar, which your body quickly returns to normal. Your body is very protective of your blood sugar and also very capable and sophisticated. There is no such thing as hypoglycemia except in people taking diabetes medication. Read more

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Will eating sweets cause my blood sugar to drop?

Will eating sweets cause my blood sugar to drop?

Usually not: The body has a way of homeostasis or control. There is an interaction of the amount of Insulin released, the response of the tissues and cells and the kidneys to keep blood sugar at certain level not to exceed a limit (140). There is a condition called insulinoma wherein there is exaggerated release of Insulin to bring blood sugar down and if so it has to be diagnosed so it can be treated. Read more