Arthus reaction

noun
Ar·​thus reaction | \ ˈär-thəs- How to pronounce Arthus reaction (audio) , ȧr-ˈtᵫ̅s- How to pronounce Arthus reaction (audio) \
variants: also Arthus phenomenon

Medical Definition of Arthus reaction

: 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

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