Hemotherapy

Hemotherapy or hemotherapeutics  is the treatment of disease by the use of blood or blood products from blood donation (by others or for oneself).

It includes various types, such as:
 * Blood transfusion
 * Packed red blood cells transfusion
 * Fresh frozen plasma transfusion
 * Plasmapheresis of various kinds, including plasma exchange
 * Autohemotherapy, with autologous blood that is usually modified in some way