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In late February, the Food and Drug Administration (FDA)聽聽diabetes patients not to use smartwatches or smart rings to measure their blood glucose levels. Following the FDA鈥檚 alert, obesity medicine expert聽Eleanor Yusupov, D.O., assistant professor at the聽College of Osteopathic Medicine, shares valuable insight for these patients.

While many of these devices are marketed as noninvasive solutions, allowing users to measure their blood glucose levels without pricking the skin, Yusupov notes that the FDA has not authorized, cleared, or approved any noninvasive smartwatch or smart ring to measure glucose. What鈥檚 more, relying on these devices could have life-threatening consequences.

鈥淚t is very concerning that patients may be misled by the marketing claims and rely on smartwatches or smart rings that do not accurately measure blood glucose,鈥� says Yusupov. 鈥淯sing devices that are not approved by the FDA may lead to serious health consequences. If left untreated, very high or very low blood sugar can be extremely dangerous and cause severe complications, even coma and death.鈥�

Instead, she advises patients with diabetes to use continuous glucose monitoring (CGM) devices approved by the FDA and provide accurate information about how a patient鈥檚 body reacts to diabetes medications and foods eaten. Depending on the specific CGM device used, physicians may program it to set off an alarm when blood sugar is dangerously high or low.

鈥淵our doctor can recommend and prescribe a continuous glucose monitoring device that automatically checks your sugar and sends the result to your smartphone or a smartwatch. Most patients prefer this modern technology, which uses a tiny sensor placed in the arm, to traditional glucose meters that require pricking your finger,鈥� she says.

Yusupov adds that, for some patients, monitoring blood glucose can be done at regularly scheduled doctor鈥檚 visits and does not need to be done daily. However, people using insulin or multiple diabetes medications are advised to monitor their blood sugar daily or several times a day to avoid dangerously high or low readings.

More than  are estimated to have diabetes, with 8.5 million believed to be living with the condition undiagnosed. In addition, 38 percent of the United States adult population is estimated to have prediabetes, a serious condition that increases the risk of developing type 2 diabetes, heart disease, and stroke.

Learn more about diabetes signs and symptoms.