# Dexcom: what happens if you don't calibrate?

**URL:** <https://forum.fudiabetes.org/t/dexcom-what-happens-if-you-dont-calibrate/2125>\
**Category:** C/GM\
**Tags:** dexcom\
**Created:** [September 22, 2017, 8:31pm UTC](https://forum.fudiabetes.org/t/dexcom-what-happens-if-you-dont-calibrate/2125 "2017-09-22T20:31:12Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Michel](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/michel/32/387_2.png) [@Michel](https://forum.fudiabetes.org/u/Michel)\
**Post date:** [September 22, 2017, 8:41pm UTC](https://forum.fudiabetes.org/t/dexcom-what-happens-if-you-dont-calibrate/2125/4 "2017-09-22T20:41:47Z")

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> [@Dexcom G5 question about ? ? ? on receiver](https://forum.fudiabetes.org/t/dexcom-g5-question-about-on-receiver/2119/32):
>
> He said that for the next 4 hours, I’ll still get readings. It was my impression that he said it stops showing readings after that, but perhaps I’m mistaken. Could you clarify a bit, please?

You’ll get readings forever! But when they lose their accuracy you need to calibrate.

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