Dexcom calibration problem

We purchased the Dexcom G6 starter kit, and the first month went smoothly. In the second month, the first week was manageable with frequent calibrations, but for the past week, it has been nothing but problems. Despite using a newly inserted sensor, it keeps giving incorrect low readings, making us ...

We switched to the Dexcom G7 because of frequent measurement errors with the Freestyle system, hoping for more reliable readings. But what we got was even worse. Dexcom G7 showed a critical low alert, which immediately sent us into panic mode. While rushing to treat what we thought was a severe low,...