inverse anaphylaxis

in·verse an·a·phy·lax·is

anaphylactic shock in an animal (for example, guinea pig) whose tissues contain Forssman antigen, resulting from an intravenous injection of serum that contains Forssman antibody.

inverse anaphylaxis

[invurs′, in′vurs]
an exaggerated reaction of hypersensitivity induced by an antibody rather than an antigen. Also called reverse anaphylaxis.