ImmunoRel 10g Solution ImmunoRel contains Human Normal Immunoglobulin, prepared from pooled human plasma containing a broad spectrum of antibodies (IgG) against various infectious agents. It provides passive immunization by restoring deficient antibody levels and modulating immune-mediated responses. It is indicated for primary immunodeficiency syndromes, idiopathic thrombocytopenic purpura (ITP), Guillain-Barré syndrome, Kawasaki disease, and severe infections.