Bydureon can be left unrefrigerated at room temperature for up to 4 weeks (28 days) as long as the temperature in the room does not exceed 86°F (30°C). This will allow you to take your weekly dose with you, especially if you are traveling. Never leave your Bydureon pen in the sun or a hot place, like your car's jockey box, because it will become too hot. And do not put it back in the refrigerator if it has been out of the refrigerator for longer than an hour.

When you get a new packet of Bydureon, store it flat in the refrigerator between 36°F and 46°F (2°C to 8°C). Keeping Bydureon flat makes it easier to mix. If you store it vertically, it makes take longer than 15 seconds of shaking to mix it.
Do not freeze Bydureon or use it past its expiration date. Protect it from light until you are ready to prepare and use your dose.