1 doctor weighed in:

How long will the side effects from the epi pen last ?

1 doctor weighed in
Dr. Michael Fisher
Dermatology

In brief: 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.

In brief: 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.
Dr. Michael Fisher
Dr. Michael Fisher
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