Do expired EpiPens still work?
A small study published this month showed that most Epipens retain their potency for at least 4 years after their expiration date. That’s no guarantee, of course. I’d still recommend as a “best practice” that families replace them as they expire. But it’s reassuring to know that they’ll usually be effective even when expired. And using an expired EpiPen is almost certainly better than using nothing …