Arsenic trioxide

generic for Trisenox

What is Arsenic trioxide?

Common Brand(s): Trisenox

Arsenic trioxide is used to treat a type of leukemia (acute promyelocytic leukemia-APL).


  • acute promyelocytic leukemia
  • acute myelomonocytic leukemia
  • myelodysplastic syndrome

Usage Instructions

This medication is given by injection into a vein by a health care professional over 2 hours, usually once daily or as directed by your doctor. The injection may be injected more slowly (e.g., over 4 hours) if you have a reaction to the medication such as dizziness, flushing, or fast heartbeat.

The dosage, treatment schedule, and length of treatment are based on your weight, medical condition, and response to treatment. Your doctor will order tests (e.g., EKG, blood minerals) to find the right dose for you. Your next dose may need to be rescheduled if your heartbeat or blood tests are abnormal.


Not applicable. This medication is given in a clinic and will not be stored at home.