What is the role of IV Rho immunoglobulin (RhIG) in the treatment of immune thrombocytopenic purpura (ITP)?

Updated: Jun 28, 2019
  • Author: Craig M Kessler, MD, MACP; Chief Editor: Srikanth Nagalla, MBBS, MS, FACP  more...
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Answer

The limitation of using IV RhIG is the lack of efficacy in Rh(D)-negative or splenectomized patients. Also, IV RhIG may induce immune hemolysis (immune hemolytic anemia) in Rh(D)-positive persons, which is the most common adverse effect, and should not be used when the hemoglobin concentration is less than 8 g/dL. Sporadic cases of massive intravascular hemolysis [16] disseminated intravascular coagulation (particularly in elderly individuals), and renal failure [17] have been reported.


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