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Published on 10 July 2025

Transfusion Associated Circulatory Overload (TACO) resources

Blood transfusions are common procedures that can save and improve lives. Most patients who receive a blood transfusion experience no complications or problems. While most people do not feel any different during their transfusion, some people can experience a transfusion reaction.

Transfusion Associated Circulatory Overload or TACO is a type of transfusion reaction where there is a build-up of fluid in the circulation.

Our Team have developed resources to support clinicians reduce the risk of TACO and Think About Choosing One.

Find out more about TACO below.