Drug Formulary information is intended for use by healthcare professionals. It is not intended to be medical advice. Some of the information, including information about funding for cancer drugs, does not apply to all patients. Cancer treatment plans are unique to each patient. If you are a patient, please speak with your healthcare team to understand how this information applies to you.

drug

arsenic trioxide

Other Names
Trisenox®
Appearance
clear, colourless solution

mixed into larger bags of fluids

Drug Formulary information is intended for use by healthcare professionals. It is not intended to be medical advice. Some of the information, including information about funding for cancer drugs, does not apply to all patients. Cancer treatment plans are unique to each patient. If you are a patient, please speak with your healthcare team to understand how this information applies to you.

Drug Monograph

Oct 2025

Patient Info sheet

Oct 2023

What it is used for: For treat certain types of breast cancer

Last Updated: July 27, 2026