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Doctor insights on: Can Low Blood Sugar Cause Nausea

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Is it normal to wake up feeling sick, sweaty, nauseas from low blood sugar if you don't eat enough the night before? Alcohol makes it worse.

Is it normal to wake up feeling sick, sweaty, nauseas from low blood sugar if you don't eat enough the night before? Alcohol makes it worse.

No.: If you have diabetes, your insulin needs adjusting. How do you know your blood sugar is low? Did you check it? If yes, and it is indeed low, then you need to go down on your long-acting insulin. Otherwise, it must be related to something else. It could be hangover if its worse with drinking! ...Read more

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 low blood sugar cause a person to act "disattached" and not have a good understanding of theirsurroundings?

Can low blood sugar cause a person to act "disattached" and not have a good understanding of theirsurroundings?

Absolutely: These symptoms are due to decreased glucose delivery to the brain cells stemming from hypoglycemia, hence the alteration in focus and alertness level. ...Read more

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Can low blood sugar cause someone to become comatose?

Can low blood sugar cause someone to become comatose?

If low enough: Yes. The brain relies on glucose for fuel. If glucose is too low it can harm the brain in serious ways. ...Read more

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Can low blood sugar cause a feeling of fainting after eating?

Can low blood sugar cause a feeling of fainting after eating?

You bet...: Low blood sugar (hypoglycemia) can certainly cause a general weakness feeling, unsteady, near fainting, etc. In obese individuals, this might be a pre-diabetes symptom. In a slender person, this might infer that they do not have adequate stored carbohydrates to respond to drops in blood sugar. Regardless, hypoglycemia should be evaluated by your physician so that specific counsel can be given. ...Read more

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Does low blood sugar cause dizziness? I often experience spinning after or during a meal

Does low blood sugar cause dizziness?  I often experience spinning after or during a meal

Many things: Low blood sugar can cause dizziness but so are low blood pressures, vertigo...It's unlikely that your blood sugar is low "during a meal". Best to do is to check your blood sugar and blood pressure during the time of dizziness to see if one of them are truly the problem. ...Read more

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Can low blood sugar cause bad behaviour in children?

Can low blood sugar cause bad behaviour in children?

No: Low blood surgar is dangerous as the brain and then other parts of the body are no longer able to function. Patients may become somewhat irritable and jittery and what they say often fails to make sense. They will often pass out and only if given glucose or glucagon will they survive. This is very dangerous. Make sure the intake of carbohydrate is adequate. Diabetics getting too much insulin same. ...Read more

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Can low blood sugar cause strange leg weakness?

Can low blood sugar cause strange leg weakness?

It can : Absolutely, as cell function is primarily driven by glucose and if not available, will turn into alternative fuels (such as ketones) which in turn can cause discomfort (legs, stomach, etc). ...Read more

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Dr. Stephen Noga
1,712 doctors shared insights

Nausea (Definition)

Nausea is the sensation of having ...Read more