Transfusion therapy refers to the medical procedure in which blood or blood components are transferred into a patient's bloodstream to treat various illnesses, including anemia, cancer, and bleeding disorders. This therapy can also be known as blood transfusion or blood replacement. Synonyms for transfusion therapy include transfusion medicine, blood transfusion therapy, blood infusion therapy, and intravenous therapy. Other terms often associated with transfusion therapy are blood products, blood derivatives, and blood components. Depending on the nature of the medical condition and the overall health of the patient, medical professionals may recommend various transfusion therapies to enhance the patient's well-being.