If any of these tests show that you might have diabetes, your doctor will need to repeat the fasting plasma glucose test or the oral glucose tolerance test on a different day to confirm the diagnosis. The fasting plasma glucose or FPG test is the preferred test for diagnosing diabetes and is most reliable when done in the morning. Because type 2 diabetes is more common in older people, especially in people who are overweight, doctors recommend that anyone 45 years of age or older be tested for diabetes. If you are 45 or older and overweight, getting tested is strongly recommended.
Diabetes is a serious disease that can lead to pain, disability, and death. Sometimes people have symptoms but do not suspect diabetes. They delay scheduling a checkup because they do not feel sick. Many people do not find out they have the disease until they have diabetes complications, such as blurry vision or heart trouble. Finding out early if you have diabetes is important because treatment can prevent damage to the body from diabetes. NIH SeniorHealth National Institute of Diabetes and Digestive and Kidney Diseases.


