An immune response that occurs following re-exposure to an innocuous antigen, and that requires the presence of existing antibodies against that antigen. This response involves the binding of IgE to mast cells, and may worsen with repeated exposures. The disease is MONDO_0005271 (allergic disease). Also known as: allergic disease or disorder, allergic form of disease or disorder, allergic form of immune system disease, allergic reaction, allergic response, allergy, disorder of type I hypersensitivity, hypersensitivity reaction type I disease.