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Refrigerated 36-46°F before first use. After first use, can stay at room temperature (up to 86°F) for up to 28 days. Never freeze. Protect from light.
Before first use: store Wegovy pens in the refrigerator at 36-46°F (2-8°C). Original carton, away from light. After first use: pen can stay at room temperature (up to 86°F / 30°C) for up to 28 days, or return to refrigerator. Discard after 28 days at room temperature regardless of remaining doses. Never freeze — freezing destroys the medication. If accidentally frozen, discard. Traveling: insulated cooler with ice pack for trips > 28 days. TSA allows pens with prescription label.
Editorial answer verified against FDA labeling and peer-reviewed trials, with sources cited. Not medical advice. Coordinate treatment decisions with your prescriber.