How long does an EpiPen last if you don't use it? Understanding expiration and potency
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5 min read
According to studies, expired EpiPens can retain significant potency for years after their labeled expiration date, with some devices showing over 90% potency up to 29 months post-expiration. However, patients still need to know the official guidelines, which bring up the important question: how long does an EpiPen last if you don't use it? The answer involves understanding both the labeled date and real-world factors.
