Arthus reaction


Ar·​thus reaction ˈär-thəs- How to pronounce Arthus reaction (audio) ȧr-ˈtᵫ̅s- How to pronounce Arthus reaction (audio)
variants also Arthus phenomenon
: a hypersensitivity reaction that occurs several hours to days following the intradermal injection of a vaccine into an animal and is marked by the formation of antigen-antibody complexes accompanied by localized inflammation, pain, redness, and sometimes tissue destruction

Dictionary Entries Near Arthus reaction

Cite this Entry

“Arthus reaction.” Medical Dictionary, Merriam-Webster, Accessed 9 Dec. 2022.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
Spell It

Hear a word and type it out. How many can you get right?

Universal Daily Crossword

A daily challenge for crossword fanatics.