Proper storage of Epipens is important. All the documentation available says that it should be stored at room temperature (25°C) until the expiry date. The recommendations are not to store at too high a temperature and not to refrigerate.
What happens if it is stored at too high or too low a temperature? In short, it becomes ineffective, or its effect is diminished.
How do I know if I have not exposed the epipen to extremes of temperature? The easiest way is to place a temperature logger with a display in with the Epipen. With summer approaching and the chance of some very high temperatures, the temperature logger, with a display will let you see the temperature that your epipen has been exposed to quickly and easily.
OnSolution Logtag with Display is a simple and easy to use logger with display. It also has a display of the minimum and maximum temperatures for the last 30 days. It is a 3 in 1 instrument that is very accurate. You can read the brochure, and then consider purchasing the LogTag.
With the Logtag there is no more guessing if your Epipen has been stored correctly.