Hemotherapy (/hiːməˈθɛrəpi/ HEE-mə-THERR-ə-pee) or hemotherapeutics (/hiːməθɛrəˈpjuːtɪks/ HEE-mə-THERR-ə-PEW-tiks) is the treatment of disease by the use of blood or blood products from blood donation (by others or for oneself). Hemotherapy (/hiːməˈθɛrəpi/ HEE-mə-THERR-ə-pee) or hemotherapeutics (/hiːməθɛrəˈpjuːtɪks/ HEE-mə-THERR-ə-PEW-tiks) is the treatment of disease by the use of blood or blood products from blood donation (by others or for oneself).