Fever after blood cell transfusion is a transfusion reaction.
Transfusion reaction is relatively common in the clinic, and it can occur during the process of blood transfusion and after bleeding. It includes fever, skin rash, itching, chest tightness, etc. In severe cases, shock may even occur.
Fever after blood transfusion, the peak value can be high or low, and the high one can even reach 39～40℃. Fever after blood transfusion can be treated with antipyretic treatment as well as rehydration therapy, and it usually occurs only once, and will not occur again after the fever has subsided.
Clinical transfusion of blood products is more, post-transfusion fever often appears after the transfusion of platelets, transfusion of red blood cells, plasma, cold precipitation after the emergence of fever, in the clinic is rare.