Sometimes called simply (and incorrectly) “febrile reactions,” nonhemolytic febrile reactions occur in about 1% (range, 0.5-5.0%) of all transfusions, more commonly in multiply transfused patients. Leukoagglutinin reaction. The most common variety of nonhemolytic febrile reaction and the most common of any transfusion reaction is a febrile episode during or just after transfusion due to patient […]