A Wegovy® pen is designed to be used once per week for 4 weeks.
How long a Wegovy® pen remains usable depends on whether the pen is unopened or already in use and how the Wegovy® pen is stored.
Overview
This article explains:
How long an unopened Wegovy® pen can be used
How long an opened Wegovy® pen remains safe
The effect of refrigerated and room-temperature storage
Use this information to determine whether a Wegovy® pen is still safe to use.
How long an unopened Wegovy® pen lasts
Refrigerated storage (2 °C to 8 °C)
If an unopened Wegovy® pen is stored in a refrigerator between 2 °C and 8 °C,
the Wegovy® pen can be used until the expiry date printed on the label.
Room-temperature storage (below 30 °C)
If an unopened Wegovy® pen is stored outside the refrigerator at temperatures not exceeding 30 °C,
the Wegovy® pen can be used for up to 42 days (6 weeks).
How long an opened or used Wegovy® pen lasts
Once a Wegovy® pen has been opened or used,
all remaining doses must be used within 42 days (6 weeks) of first use, regardless of whether the Wegovy® pen is:
Stored in a refrigerator (2 °C to 8 °C), or
Stored at room temperature below 30 °C.
Key takeaway
A Wegovy® pen provides 4 weekly doses.
An unopened refrigerated Wegovy® pen lasts until the labelled expiry date.
An unopened or opened Wegovy® pen kept below 30 °C must be used within 42 days (6 weeks).
For full storage guidance, see How to store Wegovy® correctly.
If you still need help after reviewing the information above, additional assistance is available.