A safety notice has been issued about certain FreeStyle Libre 3 and FreeStyle Libre 3 Plus sensors which have been found to provide 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.
These decisions may pose serious health risks, including potential injury or death, or other less serious complications.
As of November 14 2025 Abbott Diabetes Care, which manufactures the monitors and issued the notice, has reported 736 serious injuries, and seven deaths globally associated with this issue.
More information and models affected can be found on the Which? website.