Whether you are traveling or not, it’s important to store the syringes in the original carton to protect them from light.

Store refrigerated at 36 °F to 46 °F (2 °C to 8 °C) in the original carton to protect from light. If necessary, Pre-filled Syringes
and Pre-filled Pens may be kept at room temperature up to 77 °F (25 °C) for a maximum of 14 days. Do not store above 77 °F
(25 °C). After removal from the refrigerator, DUPIXENT must be used within 14 days or discarded.