Catalog item:

Blood Transfusions for Anemia in the Hospital (ASH)

Campaign Series: Choosing Wisely
Medical Category: Procedures
Article Type: Advice
Language: Plain English, Spanish
Affiliation: American Society of Hematology
Format: PDF
Most recent update: 04/02/2022
A blood transfusion in the hospital can save your life. You may need a lot of blood if you are bleeding heavily because of an injury or illness. But anemia is usually not urgent. Usually you don’t need a lot of blood. You may only need one unit of blood while you are in the hospital. Or you may not need any blood at all. Here’s why.