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A member asked:
How long does the effects from the epi pen last ?
A doctor has provided 1 answer
Epipen (epinephrine) duration: Epinepherine is a fast-acting med, and it wears off fast. The effect only "lasts" about 15 to 20 minutes before you need a 2nd injection or are at a hospital.
Answered 7/16/2012
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