SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/diab-insulin-room-temp-28

Per FDA general guidance, insulin in a maker's vial or cartridge can stay unrefrigerated up to about how long?

Up to 28 days at 59°F to 86°F. Some products differ, so check the label.

  1. 2 days
  2. 6 months
  3. 28 days ✔

Why: FDA says insulin in the maker's vials or cartridges, opened or unopened, can be kept between 59°F and 86°F for up to 28 days and still work. Some products have different limits, so follow your label.

Huh, didn't know that: FDA says insulin that has been diluted or removed from the maker's original vial should be thrown away within two weeks.

The dad joke
What month has 28 days? All of them.
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Sources

  1. FDA, Information Regarding Insulin Storage https://www.fda.gov/drugs/emergency-preparedness-drugs/information-regarding-insulin-storage-and-switching-between-products-emergency

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