<prompt> True about blood transfusion reaction -Complement mediated severe haemolysisRenal blood flow is decreasedTransfusion should not be stoppedDeath is not seen  <response>: You can have an allergic reaction to a blood transfusion as well. These symptoms can include hives and itching. Another transfusion reaction type is the transfusion related acute lung injury TRALI. This reaction may occur when donor plasma contains antibodies that cause damage to the immune cells in the lungs. Ref Davidson 23rd edition pg 916 