# Omnipod: reuse insulin from old pod?

**URL:** https://forum.fudiabetes.org/t/omnipod-reuse-insulin-from-old-pod/3218
**Category:** Pump
**Tags:** omnipod
**Created:** [January 12, 2018, 8:21pm UTC](https://forum.fudiabetes.org/t/omnipod-reuse-insulin-from-old-pod/3218 "2018-01-12T20:21:49Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![bkh](https://avatars.discourse-cdn.com/v4/letter/b/da6949/32.png) [@bkh](https://forum.fudiabetes.org/u/bkh)
#### Post date: [January 13, 2018, 5:33pm UTC](https://forum.fudiabetes.org/t/omnipod-reuse-insulin-from-old-pod/3218/3 "2018-01-13T17:33:37Z")

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> [@Does the smell of insulin always imply a pump leak?](https://forum.fudiabetes.org/t/does-the-smell-of-insulin-always-imply-a-pump-leak/3200/13):
>
> Agreed. I buy that. In fact, I am only mildly concerned if at all about even a 2nd day transfer.

I’m genuinely curious what is the concern? I routinely fill my t:slim cartridge with insulin that will last 5 or 6 days, and refill the cartridge when it empties, so I don’t understand why transferring insulin from one pod to another would be an issue. Insulin has preservatives. Some folks on MDI re-use their own needles a couple times before switching to a fresh one. I haven’t heard of problems caused by these practices (for folks with immune systems that are operational.) Is there something special about a pod that quickly makes insulin go bad?

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