This important publication presents new information regarding Late Phase Allergic (or Inflammatory) Reactions (LPR). It includes present knowledge on the pathogenesis of LPR in human skin, nose, bronchi, and other organ systems. The book discusses the roles of antibodies, mediators, and cells as well as animal models of LPR. It describes the importance of LPR in the pathogenesis of chronic disease and the possibilities of their pharmacological modulation. The authors discuss clinical conclusions to be drawn from the observation of LPR, such as continuous treatment and immunotherapy. This volume is a useful reference for scientists and clinicians wishing to understand more about the problems of their allergic patients.