FreeStyle Libre 3 Plus Sensor Information

Key Features

The FreeStyle Libre 3 Plus is the world’s smallest and most discreet continuous glucose monitoring (CGM) sensor.
It offers up to 15 days of continuous glucose tracking—automatically delivering real-time readings every minute
to your smartphone or compatible reader.

Designed for children aged 2 years and older, this sensor supports seamless integration with Automated Insulin
Delivery (AID) systems and includes optional high/low glucose alarms for proactive glucose management.
It’s water-resistant for everyday use and clinically proven accurate and reliable.

Directions for Use

• Apply to the back of the upper arm using the single-use applicator—avoid scars, tattoos, or irritated areas.
• Clean the site with an alcohol wipe and let it dry completely.
• Start the sensor using the Libre app or compatible reader.
• Wait ~60 minutes for the warm-up period.
• Receive minute-by-minute glucose updates and enable customizable alerts.
• Wear for up to 15 days; replace if adhesion fails.
• If readings don’t match symptoms, confirm with a finger-prick test.

Sources:
FreeStyle Libre Brochure (PDF)

Precautions

• For single-patient, single-use only. Do not reuse sensor or applicator.
• Water-resistant (up to 1 meter for 30 minutes), but connectivity may be affected underwater.
• If the sensor loosens or detaches, replace it—do not secure with tape.
• Keep out of reach of children. Seek medical help if ingested or filament dislodges.
• Consult your healthcare provider if pregnant, have sensitive skin, or take high-dose vitamin C.
• Stop use and seek help if irritation, infection, or unexpected readings occur.
• FDA-cleared to remain in place during X-rays and CT scans. Wait one hour post-MRI before resuming use.

Additional Information

With its ultra-thin design, extended 15-day wear, and AID compatibility, the FreeStyle Libre 3 Plus delivers
comprehensive, low-burden glucose monitoring for children and adults alike. Real-time trends, customizable alerts,
and seamless smartphone integration empower better diabetes management—without routine finger-sticks or frequent sensor changes.

Always follow the Instructions for Use and your healthcare provider’s guidance.