FDA Approves First Glucose and Ketone Monitoring Sensor

For the first time, people with diabetes can track two critical health markers with a single sensor worn on their skin.

Abbott just received FDA approval for Libre Duo 10 Day, the world's first device that monitors both glucose and ketones continuously. This matters because ketones, which the body produces when it breaks down fat for energy, can signal a dangerous condition called diabetic ketoacidosis hours before someone feels sick.

Until now, people with diabetes had to test ketones separately using blood or urine strips, usually only after symptoms appeared or glucose readings looked concerning. By then, the body might already be heading toward a medical emergency.

DKA sends tens of thousands of people to hospitals every year. It happens when ketone levels rise too fast, making the blood acidic. Without treatment, it can lead to coma or death within hours. The scary part? Ketones can spike even when glucose levels don't look dramatically high.

The new sensor changes the game by watching ketones in the background. When levels start climbing, it alerts users before the situation becomes critical. That early warning could mean the difference between taking action at home and ending up in an emergency room.

Dr. Shashank Joshi, a veteran diabetes specialist, called it a "huge step forward" on social media. The device works for anyone with diabetes aged two and up, including children who may struggle to recognize warning signs on their own.

The timing couldn't be better. India alone has 101 million people living with diabetes, plus another 136 million with prediabetes. Continuous glucose monitors have already transformed diabetes care since Abbott introduced FreeStyle Libre in India in 2020, helping people understand their patterns instead of relying on occasional finger pricks.

Why This Inspires

This breakthrough shows how technology can do more than track problems. It can predict them. For parents of young children with type 1 diabetes, that means sleeping better knowing a sensor is watching for danger signs overnight. For adults managing type 2 diabetes, it means one less thing to worry about during illness or stressful times when ketones tend to rise.

The device turns two tests into one, two worries into one, and reactive care into proactive protection. As continuous monitoring becomes more accessible worldwide, thousands of people will get the gift of time: precious hours to respond before a manageable situation becomes a medical crisis.

Technology like this doesn't just extend lives; it makes living with chronic illness a little less overwhelming, one innovation at a time.