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Do not freeze.
Store unopened containers refrigerated at 2°C to 8°C until time of use.
The drug product should be stored and used protected from freezing, from direct heat, and from direct light or sunlight.
Cartridge: Do not refrigerate in-use cartridges in reusable injectors.
Shelf life: Unused cartridge: The shelf life is 36 months for Humulin N and 24 months for Humulin R when stored at 2°C to 8°C and when protected from light.
After cartridge insertion: Store in-use drug product (after the disc seal has been punctured) unrefrigerated for up to 28 days at a maximum temperature of 30°C.
Vial: Shelf life: Unopened vials: The shelf life is 36 months when stored at 2°C to 8°C and when protected from light.
After first use: Store drug product in a refrigerator at 2°C to 8°C until time of use.
Store in-use drug product (after the stopper has been punctured) refrigerated for up to 28 days.
If refrigeration is not possible, store in-use drug product unrefrigerated (up to 28 days for Humulin R) at a maximum temperature of 30°C.
