Meanings
nounserum sickness (usually uncountable, plural serum sicknesses)
plural serum sicknesses
- uncountableusuallyAn allergylike reaction to proteins in antiserum derived from animal sources.
Synonyms & antonyms
nouna delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum
Similar
serum disease
Broader
allergyallergic reaction
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Finnish seerumitauti
- seerumitautiallergylike reaction
Cite this entry
APA
serum sickness. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/serum%20sickness
MLA
“serum sickness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/serum%20sickness. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “serum sickness,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/serum%20sickness.
Source: serum sickness on Wiktionary, CC BY-SA 4.0.