As of November 14, 2025, Abbott reported a staggering 736 serious injuries and even 7 deaths linked to these faulty sensors. That’s right. Seven people lost their lives because of something that was supposed to help them. Users can check if their sensor is affected by entering serial numbers on Abbott’s FreeStyleCheck.com.
Abbott reported 736 serious injuries and 7 deaths linked to faulty sensors—check yours at FreeStyleCheck.com.
So, if you have one of these sensors, you might want to get on that.
The implications of these erroneous readings are no joke. Users could find themselves making poor treatment decisions—like skipping insulin doses or eating more carbs than an athlete before a marathon. Talk about risky business!
Abbott recommends checking sensor results with a blood glucose meter when things don’t seem right. They also emphasize that users should not rely solely on these faulty readings for immediate treatment decisions.
The FreeStyle Libre sensors are factory calibrated, which means they’re designed to work without user calibration. Sounds convenient, right? But improper sensor placement, adhesive failure, and even some medications can mess with accuracy. Understanding sensor functionality is key to pinpointing inaccuracies, so while the tech is fancy, it’s still not foolproof. Additionally, high Vitamin C intake can affect Sensor readings, impacting glucose accuracy.
For now, the best course is to verify readings, follow Abbott’s disposal instructions, and keep an eye on sensor placement. It’s a real mess, and for many, it raises serious concerns.
In short, if you’re using these sensors, you might want to keep your wits about you.
