What Is Normal Blood Sugar Level

– Learn More About The Normal Range For Blood Sugar

By: - Diseases & Conditions - December 12, 2011 Comments Off on What is Normal Blood Sugar Level – Learn More About the Normal Range for Blood Sugar
what is normal blood sugar level

A blood glucose test is done to check the level of sugar in your blood. If it is too high, you would be diagnosed with diabetes, which can make you very sick and you can even die of complications of diabetes. The glucose or sugar in your blood usually comes from carbohydrates that you eat, like sugar, bread and even vegetables and fruits, however there are different kinds of carbohydrates.

The carbohydrates in your blood are a source of energy, but in order for your body to use this energy, it must be converted to energy by insulin. The hormone called insulin is made by the pancreas. Someone who is diabetic will not produce enough insulin in their pancreas, so they need to give themselves shots of insulin in order to get the energy their body needs to survive. If the pancreas does not manufacture enough insulin, which is the case of diabetics, or you do not give yourself enough insulin, eventually it will damage different organs in your body like the eyes, nerves and kidneys.

You may be asking what is normal blood sugar level and if you are in the normal range for blood sugar. The only way to learn is to get one of three glucose tests done. The most common test given in order to test glucose is called the fasting blood sugar test or FBS. You will have to fast for at least 8 hours then have a blood sample taken. It is best to do this test in the morning. The second test that may be offered instead of the FBS is a 2-hour postprandial blood sugar test or also called oral glucose tolerance test (OGTT).  This is a test that is done in several stages, the first being a fasting test like the FBS. However, after the fasting test, you will be given a high sugar drink and then tested at several intervals over the next few hours. The 2-hour reading is the most important and the diagnosis will likely be based on that reading. The third test is called RBS or random blood sugar and it is simply a measurement of your blood at any time. Typically it only takes an hour or two for you to hear your results.

So what is normal blood sugar level? When you are fasting, a normal range for blood sugar is 70 to 99 mm/dL. Anything higher will be considered abnormal, but may not be diabetes at this point. After a meal, normal levels of glucose in the blood can go up to 145 mm/dL.

If your blood glucose reading is over about 145 mm/dL, you will probably need to go through other tests. Before being diagnosed with diabetes, you will have to test high on two different days and also have a fasting glucose level above 125 mm/dL. Additionally, you will test higher than 200 mm/dL on the 2-hour postprandial blood sugar test and have symptoms of diabetes. Some of these include increased thirst and appetite, frequent urination, fatigue, weight loss, blurry vision and numbness or tingling in the hands or feet. If your blood sugar reading is over the normal range for blood sugar, but not quite at 145 mm/dL, you will be considered a person with a condition called pre-diabetes.

There are some things that can affect the testing for blood glucose, so if you feel your results are wrong or inconsistent, think about if you have eaten or drank anything within 8 hours of a fasting blood test, if you drink a lot of alcohol, if you smoke or have had any excessive caffeine. All of these things can make the test inaccurate. Some medications, like birth control pills, high blood pressure medication, corticosteroids and others can also affect the test, so make sure your doctor or laboratory know about these up front.


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