Zepbound Storage & Handling
How to store tirzepatide correctly — refrigeration range, room-temperature allowance, and what to do if it's been frozen or left in the light — transcribed from the FDA prescribing information.
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Zepbound Storage at a Glance
Source: Zepbound FDA prescribing information via DailyMed (SetID 487cd7e7-434c-4925-99fa-aa80b1cc776b), Section 16.2 How Supplied/Storage and Handling. Last verified 2026-07-12. This is summary information — read the full label and the patient instructions that came with your prescription.
Handling the pen or vial
Once you start using it: the in-use window is 21 days at room temperature (single-dose pen/vial). Mark the date you first used it (on the device or your calendar) so you know exactly when to discard it — the label requires discarding after this window even if medicine remains.
Keep the pen or vial in its original carton whenever possible — this is what protects it from light, and doubles as a place to note the first-use date. Never store a pen with the needle attached between uses.
Traveling with Zepbound
For travel, keep the pen or vial in its original carton in an insulated cooler bag with an ice pack (not touching the ice directly) if you want to stay in the refrigerated range, or track the date you took it out of the fridge — once at room temperature, the 21-day (single-dose) or 30-day (multi-dose) clock is running regardless of whether you refrigerate it again later.
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