According to Mylan, the manufacturer of EpiPen® Auto-Injectors:
“EpiPen® and EpiPen® Jr (epinephrine injection) Auto-Injectors should be stored in the carrier tube provided at a temperature of 25°C (77°F); however, temperature excursions between 15°C and 30°C (59°F to 86°F) are permitted.”
“EpiPen® and EpiPen® Jr Auto-Injectors should not be stored in refrigerators or in a vehicle’s glove box. EpiPen® Auto-Injectors should not be exposed to extreme heat or cold and should be protected from light.”
For more information, see www.epipen.com/en/hcp/about-epipen/safety-and-storage