hypurgia

hy·pur·gi·a

(hī-pŭr'jē-ă),
A rarely used term for any minor factor(s) modifying the course of a disease for good or for ill, especially the former.
[G. hypourgia, help, service, fr. hypo, + ergon, work]

hypurgia

A nonspecific term of uncertain clinical utility for any minor factor which is capable of modifying the course of a disease.