Anaphylactoid reactions can kill you just as well as anaphylaxis. "Anaphylactoid reactions are defined as those reactions that produce the same clinical pictur

Anaphylactoid reactions can kill you just as well as anaphylaxis. "Anaphylactoid reactions are defined as those reactions that produce the same clinical picture with anaphylaxis but are not IgE mediated, occur through a direct nonimmune-mediated release of mediators from mast cells and/or basophils or result from direct complement activation" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3209676/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3209676/