- Whole blood donations are divided into components. So, one donation can help up to 3 people.
- Transfusions - primarily red cells - are given to replace blood lost during surgery, from trauma or from internal bleeding from conditions such as aneurysms or ulcers.
- Blood components such as platelets are used to treat cancer patients debilitated by chemotherapy of their ability to replace their own blood cells.
- Components such as frozen plasma are used to treat patients with clotting deficiencies.
- So far, no substitute for any components of human blood has been licensed for use in the United States.







