# Use in 3 Days?

**URL:** <https://forum.fudiabetes.org/t/use-in-3-days/2008>\
**Category:** Afrezza\
**Created:** [September 15, 2017, 8:57pm UTC](https://forum.fudiabetes.org/t/use-in-3-days/2008 "2017-09-15T20:57:56Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Pianoplayer7008](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/pianoplayer7008/32/1507_2.png) [@Pianoplayer7008](https://forum.fudiabetes.org/u/Pianoplayer7008)\
**Post date:** [September 15, 2017, 8:57pm UTC](https://forum.fudiabetes.org/t/use-in-3-days/2008/1 "2017-09-15T20:57:56Z")

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Afrezza users, how important is it to use the 3 cartridges within 3 days? Attempting sweet potatoes tonight (a guaranteed spike normally), and I think I’m going to try an 8u rather than my usual 4u considering the number/type of carb, but I know I won’t be using the other 2 cartridges over the next few days.

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**Author:** ![Sam](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/sam/32/10595_2.png) [@Sam](https://forum.fudiabetes.org/u/Sam)\
**Post date:** [September 15, 2017, 10:05pm UTC](https://forum.fudiabetes.org/t/use-in-3-days/2008/2 "2017-09-15T22:05:57Z")

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It’s worth bearing in mind how long ago you opened the package-- imo moreso than how long ago it came out of the fridge-- but I don’t keep super close tabs on it. It acts so fast that if you end up with a significant spike you just take some more and it’s not a big deal and doesn’t derail your day like it can with injected…

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**Author:** ![Pianoplayer7008](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/pianoplayer7008/32/1507_2.png) [@Pianoplayer7008](https://forum.fudiabetes.org/u/Pianoplayer7008)\
**Post date:** [September 16, 2017, 1:04am UTC](https://forum.fudiabetes.org/t/use-in-3-days/2008/3 "2017-09-16T01:04:57Z")

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That’s a good point. It worked out VERY well for me tonight! 😁