Hypersensitivity is an inappropriate excessive immune response to an antigenic stimulus in a pre-sensitized host leading to tissue damage. It is one of the Immunological disorder along with Autoimmune Diseases, Immunologic deficiency syndromes, Amyloidosis. The term “allergy” is often equated with hypersensitivity but more accurately should be limited to the IgE-mediated reactions: “Type I: Immediate […]