FreeStyle Libre II vs Dexcom G7: An In-Depth Comparison for Diabetics
Introduction
Two of the most popular continuous glucose monitors (CGMs) in the market today are the FreeStyle Libre II and the Dexcom G7. Both devices feature similar functions, such as alarms to alert users when their blood glucose levels are rising or falling. However, various factors like accuracy, sensor longevity, ease of use, and compatibility can influence which one is the better fit for your specific needs.
FreStyle Libre II vs Dexcom G7: Features and Differences
Features
The FreeStyle Libre II and Dexcom G7 share some common features, including alarms for low and high blood sugar, making them suitable for individuals managing type 1 and type 2 diabetes. Both devices provide real-time glucose monitoring and trend arrows to help users understand glucose trends.
FreeStyle Libre II
FreeStyle Libre II is known for its affordability, especially when considering its price without insurance. However, one potential drawback is that users need to scan the sensor periodically to obtain their blood glucose levels rather than having information displayed continuously. This can be an inconvenience for some users, as it requires active scanning every few hours.
Dexcom G7
Benefits:
(vs the FreeStyle Libre II, the Dexcom G7 offers continuous and automatic updates every 5 minutes. It also features Block 2 with Broadband SGLT1 Technology, which improves accuracy and reduces signal drift. Additionally, it has a longer sensor life span, potentially up to 14 days.
Compatibility and Integration
Both the FreeStyle Libre II and Dexcom G7 can integrate with insulin pumps and other diabetes management devices, enhancing the overall diabetes management experience. However, the compatibility can vary based on the specific device you are using.
Accuracy and Sensor Longevity
The accuracy of both devices can vary depending on individual factors. For instance, the FreeStyle Libre II can have issues with the sensor falling off, which can be resolved by using an adhesive patch. Users have reported that some sensors take more than 24 hours to properly indicate glucose levels, a feature that could benefit from additional support, such as blood dosing strips from the manufacturer.
Personal Experiences and Considerations
Many personal experiences highlight the stark differences in user satisfaction between the two monitors. One individual with type 2 diabetes found that the Dexcom G6 significantly improved their A1C levels, bringing it down from 8.5 to 6.0 almost immediately. This improvement is attributed to the continuous and automatic updates of the Dexcom G6, which provides better monitoring and trend analysis.
Healthcare Provider Consultation
To determine the most suitable CGM for your diabetes management plan, it is crucial to discuss your preferences and goals with a healthcare provider. Your healthcare provider can help you weigh the pros and cons of each device based on your specific needs and medical history.
Conclusion
While both the FreeStyle Libre II and Dexcom G7 offer similar features, the ultimate choice depends on individual circumstances and preferences. Factors such as accuracy, sensor longevity, ease of use, and compatibility with other devices should be carefully considered. Consulting with your healthcare provider is essential to select the best CGM for your diabetes management plan.
References
FreeStyle Libre II, Dexcom G7, Personal Experiences, Support Services, Insulin Pumps, FreeStyle Libre II Issues, Blood Dosing Strips, Consult your Physician