Anaphylaxis Anaphylaxis is a potentially life threatening systemic reaction mediated by IgE or possibly IgG4. It occurs within few minutes of exposure to susceptible antigen in previously sensitized individuals. Signs and symptoms of Anaphylaxis Flushing pruritus, diaphoresis, urticaria in chest, shock, arrhythmia, hypotension, G.I. symptoms and angiodema. Anaphylactoid reactions are non immunologically medicated reactions with […]