What causes alloimmunization from transfusions?

Updated: Sep 08, 2017
  • Author: Douglas Blackall, MD, MPH; Chief Editor: Michael A Kaliner, MD  more...
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Answer

Alloimmunization to blood antigens occurs after the following:

  • Transfusion

  • Pregnancy

  • Transplantation

  • Sharing intravenous needles (rare)


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