Dexcom G7 sensor adhesive

Does anybody know what adhesive Dexcom is using on the G7 sensors? I am allergic to the current G6 adhesive and have to put a barrier bandage on before applying one. Thanks.

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Where is it out? In Europe, or Canada?

The San Diego-based company now offers Dexcom G7 in the UK, Ireland, Germany, Austria and Hong Kong.

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The loop people are doing stuff with the G7 in Germany trying to break the Algo security. Given all the adhesive iterations the G6 went through in the initial rollout I would guess they stay with the current adhesive. Especially since the G7 is a smaller form factor which would make the adhesive more secure over the same time period vs the G6. I would be very surprised to see a new adhesive formulation for the G7 rollout, but I could be wrong (and have been before).

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Does anyone else have this problem? I’m a swimmer so i really rely on the dex overpatch. I notice that towards the end days of wearing my sensor, the patch starts to peal off, but only very slightly. However, today i was swimming and i felt a drag on my left arm, as if i were swimming crooked. When i got to the end of the lane, i checked out my dex and realized immediately what was wrong. It was pealing off. bc it has been soooo accurate, i didnt want to take it off and deal with the new start up 24 hour period of wonky readings, so i left it in and it ended up staying on and working properly. I think i am due to replace it sometime this evening or tomorrow morning. Its not a really big deal. I just did not have this experience with the G6 ever. The G7 has such a tiny little overpatch i am always checking it to make certain that it is staying in place. (also, i dont know how ANYONE negotiates putting that G7 overpatch on themselves. its unruly and i need my husband to put it on for me :crazy_face: .)

I would love to hear feedback from any of you in FUD Land!!!

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@daisymae I use Tegaderm to secure Dexcom sensors and my Tandem infusion sets. For my G6 sensors I bought a large roll of 4" Tegaderm tape, and I cut off a 4" section and plaster it over the sensor. Rub it very well all over to adhere well. No worries about aim. Stays on even though I sweat buckets and in showers, but I’m not a swimmer.

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I apply my g7 using my wife’s make-up mirror. The mirror magnifies the image which makes it easier for me to apply the overpatch.

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That’s actually a stellar idea @Jwarfi !

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Just tried my first G7, without a barrier bandage, and had NO ALLERGIC REACTION. So pleased! Ran it parallel with a G6 and found it no more accurate at all. Sometimes they matched exactly, other times off by 30 or more points. Finger stick always came out in between. I always use a mirror, so no problem with placing the overpatch, and I always put a 4x4 Tegaderm layer over that. Dex tells you to press down the edges of the patch before adding the overpatch. Found I could do that with a 1" diameter cap from Harris-Teeter’s balsamic vinegar bottle that just clears the G7. The patch is too small to press down with fingers.

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Congrats on the G7 adhesive @Randy ! It doesn’t seem like much, but it’s actually a massive win :+1:

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I’m also allergic to the Dexcom adhesive. I use Not Just a Patch and it works really well for me in providing a layer between the sensor and my skin. I’ve had a much better experience since switching.

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I use my iPad in selfie mode.

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