The Food and Drug Administration issued an alert about a "potentially high-risk issue" regarding malfunctioning Abbott glucose sensors that have been linked to more than 700 serious injuries and 7 deaths, with patients advised to "immediately" discontinue using the products.

The alert, dated Dec. 2, says Abbott Diabetes Care issued a letter to distributors, health care providers and affected customers after it found certain FreeStyle Libre3 and FreeStyle Libre3 Plus sensors gave incorrect low glucose readings.

"If undetected, incorrect low glucose readings over an extended period may lead to wrong treatment decisions for people living with diabetes, such as excessive carbohydrate intake or skipping or delaying insulin doses," a message marked " Urgent Medical Device Correction " read

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