 [ Symptoms ] how long are epi pens good for my dad is doc says as long as the epi pen is still sealed it is still good the epi pen is from 2007 [ Disease ] it has expired long ago do not use it these are supposed to have at least a one year life based on the printed expiration date so always check the expiration date get a new epipen prescription and make sure it does not expire in a few months if it does refuse the prescription and ask for one that has a longer date