A blood transfusion cocktail is a mixture of blood products administered intravenously to a patient. The products may be red blood cells, platelets, plasma, or cryoprecipitate. A transfusion cocktail is custom-made for each patient, based on their individual blood type and diagnosis.

A transfusion cocktail is usually given to a patient who is bleeding heavily, or who is at risk for bleeding. The cocktail helps to replace lost blood, and also contains clotting factors that help to stop the bleeding.…