title: Human allergic reactions.
mesh_terms: D000906:Antibodies; D000937:Antigen-Antibody Reactions; D001491:Basophils / Q000276:immunology; D003888:Desensitization, Immunologic; D006632:Histamine / Q000378:metabolism; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology; D008407:Mast Cells / Q000276:immunology; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal / Q000628:therapy
chemical_list: D000906:Antibodies; D006632:Histamine