DUPIXENT is sterile and preservative-free. Discard any unused portion.
Store refrigerated at 2°C to 8°C (36°F to 46°F) in the original carton to protect from light.
If necessary, pre-filled syringes may be kept at room temperature up to 25°C (77°F) for a maximum of 14 days. Do not store above 25°C (77°F). After removal from the refrigerator, DUPIXENT must be used within 14 days or discarded.
Do not expose the syringe to heat or direct sunlight.
Do NOT freeze. Do NOT shake.