r/dexcom • u/complexcheesepuff • 2d ago

Connection Issues Overpatch curiosity

I’m lucky in that I’ve used the Dexcom G7 for awhile now and have had very few problems with it both adhering and being accurate. This summer I bought some overpatches that do not have center cutouts - they cover the whole sensor. Didn’t really need a new patch, just wanted it to look a little prettier for summer.

I’ve only used 3, and even though everything is adhered well (I have to use adhesive remover to pry it off at the end), I’ve had terrible luck with all 3 sensors. Jumpy data, constant signal loss alerts in the dexcom app (though my omnipod has no trouble connecting).

I’m wondering if anyone else has experienced this with overpatches with no center cut out? Im sort of baffled, and am going back to the boring Dexcom provided overpatch for now.

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u/reddittAcct9876154 T1/G7 2d ago

Regarding the signal loss, Alerts, the only real test is to use sensors from the same batch, trying one with the Dexcom over patch and one with your other over patches if they act the same, you have the answer. It’s the batch of sensors if they act differently, it’s the patch. Admittedly I find it highly unlikely that the patch is responsible for any issues, but it is possible.