Low blood sugar. What causes it?

Definition is key. True and clincally significant 'low blood sugar' is actually not as simple as 'below a cut-off.' for diabetics it is (we say <70 is low), bc they are on meds that can cause severe lows. But for non-diabetics/healthy ppl, sugar in 40's can be normal. It becomes a problem only if it causes true hypoglycemic symptoms- in that case, see endocrinologist for confirmation and evaluation of cause.
Glucose metabolism. There are different forms of hypoglycemia (low blood sugar). The most common is called reactive hypoglycemia in which the sugar rises high and then dips low a few hours later. My personal view is that this is an early stage in the development of diabetes. If you go the exercise and diet route this is not a high risk, however. A six meal, low carb diet is best.
4 reactive hypoglyce. Eat only meat or fish or cheese or eggs or poultry and low starch veggies, drink only water. In other words avoid all carbs, carbs will only briefly raise your sugar levels and then you will get hungry again. The fats in the meat or fish or cheese or eggs or poultry will act like a "log on your metabolic fire" to keep your blood sugar stable for hours.

Related Questions

I have hypoglycemia and I can be 55-65 with no symptoms and sometimes feel better with low blood sugar. What can cause this?

At risk for diabetes. Whenever hypoglycemia occurs, it implies that there's a problem w/ how much insulin ur body makes (in this case too much @ the wrong time). Oddly enough, this means in the future your pancreas may "run out" of insulin when it needs it: diabetes. Consider this "pre-diabetes" or a diabetes risk factor. TTYD about dietary changes and ketogenic diets. It's good that u r w/o symptoms; hope it continues. Read more...

I eat good full meals I am not a diabetic but I struggle with low blood sugar. What can cause that?

Not. Eating enough protein and eating too much carbs for you. Eat small amounts of protein spread out thru the day and it should avoid that feeling. Also avoid caffeine. Best. Read more...

Lately I have been feeling a tad weak spacey and internally shakey. Feels almost like low blood sugar. What else could cause this?

Spacey. There are many reasons why someone your age is "spacey and internally shaky". If you do not follow up on this with your doctor and a Psychologist you will not get rid of the problems you have. These issues can be controlled! Read more...
See Dr. If this persists, see the Dr. for a good Physical and eval. A blood sugar could be checked right at the visit, viruses can cause this, dehydration, low blood pressure, electrolyte abnormalities, anemia, etc. etc. Best wishes. Read more...
Many possibilities! If you regular frequent small meals and snacks, unlikely to be due to low blood sugar. However, with indefinite symptoms, the cause is not immediately apparent. The right answer depends on a thorough history and physical,and any workup indicated by that. If you are taking any new supplements or over-the-counter meds, stop and then see your doc. Read more...