Understanding what the fasting blood sugar normal range is will allow you to configure what your personal blood glucose level should be at this vital part of the day. While the information on the average fasting blood sugar normal range is important, it is equally valuable to understand the other mean daily blood sugar ranges. An additional number that should be considered in an article on fasting blood sugar normal range is that of the elevated blood glucose levels. Prediabetes occurs prior to the onset of type 2 diabetes (T2DM), as the body loses its ability to metabolize glucose normally. Type 1 diabetes occurs when the insulin-producing cells are mistakenly destroyed by the immune system, leaving the body with little to no insulin. For people living with diabetes, several situations can lead to a sudden or gradual rise in FBG.
Rebound hyperglycemia, also called the Somogyi effect, occurs when the liver floods the body with glucose in the early morning in response to a low blood sugar level during the night.
Some diseases and illnesses can cause a high FBG in people with or without existing diabetes. High blood sugar is also a possible side effect of certain medications in both people with diabetes and those without.
If you have diabetes and experience high morning blood sugars but are otherwise feeling well, contact your doctor as soon as possible. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. A blood sugar levels chart can show you at a glance where your current blood sugar puts you on the range of possible normal and abnormal values.
Throughout the course of this article, much time will be given to present you with as many facts as possible relating to blood sugar ranges that will allow you to make the best judgment regarding your own personal condition.
Your fasting blood glucose, or FBG, is the amount of sugar in your blood after not eating or drinking fluids other than water for at least 8 hours. Prediabetes develops when the extra insulin isn't sufficient to keep blood glucose levels normal. T2DM develops due to a combination of insulin resistance and failing insulin production due to degeneration of the pancreatic cells that make the hormone. T2DM may progress over time due to increasing insulin resistance, diminishing insulin production, or both -- causing higher blood sugar levels. Sorting out whether high morning FBG is due to the dawn phenomenon or the Somogyi effect usually requires checking blood glucose in the middle of the night. Seek emergency medical care if you have high blood sugar accompanied by nausea, vomiting, abdominal pain, weakness, sleepiness or confusion.

After an overnight fast when you have not eaten for 8-12 hours is a basic way, but then you also need to test blood sugar after eating, typically about 2 hours after eating, to see how high the blood sugar went. Please note that the information provided here is based on statistics and research that is ever present online, and if you feel that you may have high or low blood sugar levels; a meeting with a physician is far superior to the content to be found here.
This is physically impossible considering the many factors that impact our body’s ability to regulate sugar. Elevated FBG can mean the body's ability to regulate glucose is faltering, which most commonly indicates either prediabetes or diabetes. Insulin resistance also causes the liver to overproduce glucose, further contributing to high blood sugar.
High morning FBG might also be due to a change in diet or not following your nutrition plan. Possible complications of diabetes include vision problems, blindness, kidney failure, stroke, heart disease, loss of sensation and even amputations. Finally, doctors may have you do a test called an oral glucose tolerance test in which they give you a standard sweet drink in the clinical laboratory and take several blood samples before and after to see how your body handles a standard amount of pure sugar intake. For example, your body uses sugar contained in food to make fat and muscle, among other things. Less frequently, a high FBG may be due to another medical condition or a medication side effect.
People with prediabetes have a metabolic abnormality called insulin resistance, in which the body doesn't respond normally to the hormone insulin. An oral glucose tolerance test evaluates how the body handles a specific amount of glucose over several hours.
This scenario occurs because the liver naturally produces glucose in the early morning, but the insulin that would normally keep it in check isn't abundant enough to do the job. Certain adrenal gland tumors and disorders, such as Cushing disease, are other possible causes of high blood sugar. The earlier prediabetes or diabetes is diagnosed and treated, the better the chances are of avoiding complications. The fasting period of time is said to be early in the morning, assuming you have slept at least eight hours overnight.
As you can see, this accounts for the fasting range as well as for additional fluctuations that will be experienced after your first meal, which is likely breakfast.
For those already living with diabetes or prediabetes, high FBG levels often indicate the condition is progressing or a medication adjustment is needed. This pancreatic hormone enables body tissues to absorb blood glucose and use it to generate energy.

But with modest weight loss, regular exercise and possibly a medicine called metformin (Fortamet, Glucophage, Glumetza), the development of T2DM can often be delayed or prevented entirely. Inflammation of the pancreas, or pancreatitis, can damage the insulin-producing cells and lead to elevated blood glucose levels. Additionally, individuals who are literally fasting, whether it is for a few days or a couple of weeks, will experience blood sugar levels in this numeric region. After about an hour or two, your body will reach a state of homeostasis where it returns to normal functioning.
Whatever your current status, it's important to determine the cause of an elevated FBG so you can receive appropriate treatment.
Tumors that produce substances that interfere with blood sugar regulation are another possible cause of high FBG.
Of course, over long periods of time, your blood glucose screening levels may drop even lower. Diabetes can lead to serious complications but doesn't have to interfere with a full life if well-managed. You should consider the resulting diseases or conditions that can stem from improper blood sugar regulation.
If your number drops too low, you should at least drink something with sugar to elevate the levels to normal.
For example, people who have a consistently high blood glucose level will be considered to have hyperglycemia.
Alternatively, if a person has constantly low levels they will be said to have hypoglycemia.
However, on your journey to better understanding your body, the additional information provided in this article will certainly come in handy for your personal needs. On average, many people will not need to constantly keep watch over their blood glucose levels; though if you have a serious medical condition like hyperglycemia, hypoglycemia, or diabetes you may need to constantly monitor yourself on a daily basis.
Fortunately, because of advanced medical technology, regulation is often painless and very easy to do.

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