How Long Can Zepbound Be Out of the Fridge
Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 20th, 2026.
Zepbound can remain outside the refrigerator for up to 21 days at room temperature below 86°F (30°C). Once removed from refrigeration, you cannot return it to the fridge and must use it within this 21-day window. The medication should be stored in its original carton to protect from light and kept away from heat sources. If Zepbound has been out longer than 21 days or exposed to temperatures above 86°F, it should be discarded as the active ingredient tirzepatide may lose effectiveness. Always check the medication for particles, clumping, or color changes before use, regardless of storage time.
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