serum sickness: Meaning and Definition of

se'rum sick"ness

Pronunciation: [key]
— Pathol. Pathol.
  1. a generalized allergic reaction to a foreign serum or drug, characterized by fever, skin rash, enlarged lymph nodes, and painful joints. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.