Prediabetes | Overview

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What is prediabetes?

Before people develop type 2 diabetes, they usually have prediabetes. In people who have prediabetes, blood sugar levels are higher than normal but not high enough to say they have diabetes. Normal “fasting blood sugar” is between 70 and 99 mg per dL. Fasting blood sugar is your blood sugar level you before you have something to eat in the morning. Fasting blood sugar between 100 and 125 mg per dL suggests prediabetes. Fasting blood sugar higher than 126 mg per dL is considered diabetes. People who have prediabetes have a high risk of eventually developing diabetes.

Source

Impaired Glucose Tolerance and Impaired Fasting Glucose by Shobha S. Rao, M.D., Phillip Disraeli, M.D., and Tamara McGregor, M.D. (American Family Physician April 15, 2004, http://www.aafp.org/afp/20040415/1961.html)

Written by familydoctor.org editorial staff

Reviewed/Updated: 05/14
Created: 01/07

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