16. Busulfan is used in the treatment of some cancers of blood like chronic myeloid leukaemia. It is used in combination with other cancer medicines during hematopoietic progenitor cell transplantation (HPCT). It may also be used to treat some other types of cancer.May Treat: Blood cancer (Chronic myeloid leukaemia)Alternate Brand Names: Bufatas • Emsulfan • Busuphan • Mylefan • BusulmaxDrug Class: Alkylating agent (Organosulfonic Acid Esters Derivative {Alkylating Agent)Pregnancy: CONSULT YOUR DOCTOR - Busulfan is unsafe to use during pregnancy. Please consult your doctor.Lactation: UNSAFE - Busulfan is unsafe to use during lactation.