Uses VENCLEXTA is a prescription medicine used: to treat adults with chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL). in combination with azacitidine, or decitabine, or low-dose cytarabine to treat adults with newly diagnosed acute myeloid leukemia (AML) who: are 75 years of age or older, or have other medical conditions that prevent the use of standard chemotherapy. It …