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EpiPens may be effective long after labeled expiration date
6/17/2019

EpiPens and other epinephrine autoinjectors might continue to work months after their labeled expiration date, researchers report in the Journal of Allergy and Clinical Immunology: In Practice, and the finding could save patients money. Autoinjectors contained 100% of the original dose six months after expiration and 95% of the original dose one year after expiration.

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