Definition of Epiphenomenon
Epiphenomenon: 1. An additional symptom or condition that appears during the course of a disease. A doctor might ask if you have noticed any epiphenomena recently as a way of inquiring as to whether you have experienced additional symptoms or signs of illness.
Last Editorial Review: 6/14/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?