How long can Zepbound stay out of the fridge?

Zepbound (tirzepatide)

Keep it in the fridge. If needed, each pen or vial can be kept unrefrigerated, up to 86°F, for up to 21 days.

Best
Fridge (36°F to 46°F)
Out of the fridge
Up to 21 days, not above 86°F

Good to know

  • Keep it in the original carton to protect it from light.
  • Do not freeze, and do not use it if it froze.

Source: the FDA label on DailyMed, last checked October 14, 2026. Labels change, so check the product in hand. Questions about a patient's medicine go to the pharmacist.

Working out the days supply?

The insulin & GLP-1 days supply calculator counts the in-use limit for you, and tells you how many boxes and pens to give.

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