The most common cause of<unk>  is ABO incompatibility, which is typically due to human error that results in a recipient receiving the incorrect blood product. Rarely, other blood type incompatibilities can cause AHTR, the most common of which is Kidd antigen incompatibility. Rh, Kell, and Duffy antigen incompatibility have also been implicated in AHTR.
Acute hemolytic transfusion reaction
Delayed hemolytic transfusion reaction
Post-transfusion purpura
Transfusion-dependent anemia
Transfusion associated circulatory overload
Hypotensive transfusion reaction
Allergic transfusion reaction
Atypical hemolytic uremic syndrome