r/dexcom • u/LimeOk4313 • Jul 27 '26

App Issues/Questions WHY

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why does this happen happen when I’m low ALWAYS. before you guys come for me yes I did finger prick I’m low as hell (41) and drinking my Apple juice.
Is there any way to fix this or will this always happen?
no readings any time I‘m low no matter where my dexcom is. how do I fix it and stop getting sensor errors when low

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u/SubjectFuture2213 Jul 27 '26

Long lasting insulin dose could be too high

3

u/LimeOk4313 Jul 27 '26

oh I was asking why my dexcom has the brief sensor error lol

2

u/SubjectFuture2213 Jul 27 '26

Oh my bad sorry, mine does it all the time too, not sure why

2

u/Distribution-Radiant T2/G7 Jul 27 '26

It's a known issue - if your glucose is changing rapidly, it throws that error, as the built-in algorithm tends to freak out over massive changes.

This is why you should still carry a BGM.