Harvard Health Letter

How often should you get your blood sugar checked?

Image: Thinkstock

Get your blood sugar checked annually if you have prediabetes—higher-than-normal blood sugar levels.

Your risk factors determine whether you should be screened annually or every three years.

Having high blood sugar puts you at risk for many conditions, including diabetes, heart disease, stroke, and dementia. So it's important to check your blood sugar levels to stay healthy. "It's better to pick up increased levels earlier rather than later. When you intervene earlier, anything you do for treatment, such as weight loss or medication, will work better," says David M. Nathan, a Harvard Medical School professor and the director of the Diabetes Center and Clinical Research Center at Massachusetts General Hospital.

To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »