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FreeStyle Libre 2 is a continuous glucose monitoring (CGM) system designed to help people monitor glucose levels throughout the day and night. The system uses a small sensor worn on the back of the upper arm, providing real-time glucose readings directly to a compatible smartphone or reader device.
FreeStyle Libre 2 can help users better understand how food, exercise, sleep, illness, and daily routines may affect glucose levels. Optional glucose alarms can also alert users when glucose levels are too high or too low.
The FreeStyle Libre 2 sensor continuously measures glucose levels in the fluid just beneath the skin using a small wearable sensor applied to the upper arm.
Glucose readings are automatically sent to a compatible smartphone app or reader device, allowing users to:
- Monitor glucose trends in real time
- Review glucose history and patterns
- Receive optional glucose alarms
- Better understand daily glucose changes
Each sensor is designed to be worn continuously for up to 15 days before replacement.
FreeStyle Libre 2 is commonly used by people living with Type 1 diabetes or Type 2 diabetes who need to regularly monitor glucose levels. It may also be suitable for some individuals with pre-diabetes or other clinician-advised glucose monitoring needs.
FreeStyle Libre 2 is a glucose monitoring device and should be used in line with the manufacturer’s instructions. It does not replace professional medical advice, diagnosis, or emergency treatment.
You should speak to your GP, diabetes specialist, or healthcare professional if you have concerns about your glucose levels, diabetes management, or symptoms.
What is FreeStyle Libre 2?
FreeStyle Libre 2 is a continuous glucose monitoring (CGM) system that tracks glucose levels throughout the day and night using a small sensor worn on the back of the upper arm.
How long does a FreeStyle Libre 2 sensor last?
Each FreeStyle Libre 2 sensor is designed to be worn continuously for up to 15 days before replacement.
Does FreeStyle Libre 2 require finger-prick testing?
FreeStyle Libre 2 is designed to reduce the need for routine finger-prick testing. However, finger-prick tests may still be required in some situations, including if glucose readings do not match symptoms or expectations.
Can I use FreeStyle Libre 2 with my smartphone?
Yes. FreeStyle Libre 2 glucose readings can be viewed using a compatible smartphone with the FreeStyle LibreLink app or with a compatible reader device.
Where is the FreeStyle Libre 2 sensor worn?
The sensor is applied to the back of the upper arm and is designed to remain in place during normal daily activities.
Can I shower or exercise while wearing the sensor?
Yes. FreeStyle Libre 2 sensors are designed to be water resistant and suitable for normal daily activities, including showering and exercise, when used according to the manufacturer’s instructions.
Who can use FreeStyle Libre 2?
FreeStyle Libre 2 is commonly used by people with Type 1 diabetes or Type 2 diabetes who need to regularly monitor glucose levels.
Do I need a prescription for FreeStyle Libre 2?
FreeStyle Libre 2 is supplied through our UK-registered online pharmacy service following clinician review where appropriate.
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