autohemotherapy

noun

au·​to·​he·​mo·​ther·​a·​py

variants or chiefly British autohaemotherapy

-ˌhē-mō-ˈther-ə-pē 

plural autohemotherapies

: treatment of disease by modification (as by irradiation) of the patient's own blood or by its introduction (as by intramuscular injection) outside the bloodstream