Freestyle Libre 2 Sensor

Medically Reviewed by Dr. Harshi Dhingra, M.D.

Last Reviewed: Sep 25, 2023

Pros & Cons


FreeStyle Libre 2 Pros and Cons

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  • FreeStyle Libre 2 can measure blood glucose levels without the need for a fingerstick or blood sample.
  • The sensor application process is simple and painless and can be done at home.
  • You can track glucose trends on a smartphone app or with a reader.
  • The sensor is waterproof, and you can wear it for short periods while bathing or swimming in shallow water.

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  • FreeStyle Libre 2 may not be as accurate as fingerstick blood sugar monitoring. The sensor can cause skin irritation at the application site.
  • This device is available with a prescription only.