Arsenox Injection is used for Refractory acute promyelocytic leukemia and other conditions. Arsenox Injection may also be used for purposes not listed in this medication guide. Arsenox Injection contains Arsenic Trioxide as an active ingredient. Arsenox Injection works by killing the cancer cells. Intas Pharma manufactures Arsenox Injection. Detailed information related to Arsenox Injection’s uses, side effects and reviews is listed below.