What are the signs to change the Dexcom 7 Sensor?

This may have been answered in other discussions, but I thought I'd ask anyway...

I'm on day# 10 of my sensor and I'm wondering if I should change the sensor now... Today my receiver has shown the ??? error 3 times. Now it has not lasted longer than 3 hours, but this time it's getting pretty close to the 3 hour mark.

My husband thought that because I was not following the "rules" of Dexcom I was having this problem, but I thought I'd ask the folks who normally wear their sensors beyond the "FDA Approved 7 days"...

Thanks! .

Tags: 7, Dexcom, days, fda, sensor

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Permalink Reply by Kelly WPA on August 30, 2011 at 1:15pm
You are probably getting close to the end. I have had it come back to life for a few more days after a day like you had. I was planning on yanking it and when it came back, I started waiting out the ??? period. If your readings are running close, then I would keep it in. If your readings are off, then you might want to consider just yanking it.
Permalink Reply by Jazzy on August 30, 2011 at 1:49pm
Thanks Kelly,

Each time it "came back to life" my readings were fine. So I guess I'll wait it out a little more. Actually, since I've posted my question, the ??? have disappeared. Thanks for the helpful info.
Permalink Reply by Kelly WPA on August 30, 2011 at 2:16pm
You are welcome! Hopefully you can get a few more days. I think the first time that it came back for me, it did the ??? in the AM and I planned to rip it out when I went back upstairs to get my shower. I was surprised when it came back to life.

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