Arsenic Trioxide

310 interactions 4 explained in plain English 448 cited references

Also sold as: Trisenox

Read the full Arsenic Trioxide drug information page

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jul 12, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Smallpox Monkeypox Vaccine Thioridazine Terfenadine Saquinavir Sparfloxacin Rubella Virus Vaccine, Live

24 Contraindicated 286 Major

All (310) Contraindicated (24) Major (286)

Contraindicated

Arsenic Trioxide Bacillus Of Calmette And Guerin Vaccine, Live An increased risk of infection by the live vaccine Details Arsenic Trioxide Bepridil An increased risk of QT interval prolongation Details Arsenic Trioxide Cisapride Propulsid® Increased risk of QT interval prolongation Details Arsenic Trioxide Dengue Tetravalent Vaccine, Live An increased risk of infection by the live vaccine Details Arsenic Trioxide Dronedarone Multaq Increased risk of QT interval prolongation Details Arsenic Trioxide Foscarnet Foscavir An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Arsenic Trioxide Levoketoconazole Recorlev An increased risk of QT interval prolongation and an increased risk of torsade de pointes Details Arsenic Trioxide Lidoflazine An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Arsenic Trioxide Measles Virus Vaccine, Live An increased risk of infection by the live vaccine Details Arsenic Trioxide Mesoridazine An increased risk of QT interval prolongation Details Arsenic Trioxide Mumps Virus Vaccine, Live An increased risk of infection by the live vaccine Details Arsenic Trioxide Pimozide An increased risk of QT interval prolongation Details Arsenic Trioxide Piperaquine An increased risk of QT interval prolongation Details Arsenic Trioxide Rubella Virus Vaccine, Live An increased risk of infection by the live vaccine Details Arsenic Trioxide Saquinavir An increased risk of QT interval prolongation Details Arsenic Trioxide Smallpox Monkeypox Vaccine An increased risk of infection by the live vaccine Details Arsenic Trioxide Sparfloxacin An increased risk of QT interval prolongation Details Arsenic Trioxide Terfenadine An increased risk of QT interval prolongation Details Arsenic Trioxide Thioridazine An increased risk of QT interval prolongation Details Arsenic Trioxide Typhoid Vaccine Typhim VI® An increased risk of infection by the live vaccine Details Arsenic Trioxide Varicella Virus Vaccine, Live An increased risk of infection by the live vaccine Details Arsenic Trioxide Yellow Fever Vaccine Stamaril An increased risk of infection by the live vaccine Details Arsenic Trioxide Ziprasidone Geodon An increased risk of QT interval prolongation Details Arsenic Trioxide Foscarnet Injection Foscavir An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details

Major

Arsenic Trioxide Amitriptyline Elavil Explained An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Arsenic Trioxide Sertraline Explained An increased risk of QT interval prolongation Details Arsenic Trioxide Buprenorphine Belbuca Explained An increased risk of QT interval prolongation Details Arsenic Trioxide Relugolix Orgovyx Explained Increased risk of QT interval prolongation Details Arsenic Trioxide Acetazolamide Diamox® Sequels® Increased risk of QT-interval prolongation and torsade de pointes Details Arsenic Trioxide Amisulpride Injection Barhemsys Increased risk of serious ventricular arrhythmias such as torsades de pointes Details Arsenic Trioxide Acecainide Cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Arsenic Trioxide Adagrasib Krazati An increased risk of QT interval prolongation, torsade de pointes, polymorphic ventricular tachycardia, other serious arrhythmias Details Arsenic Trioxide Adenovirus Vaccine Type 4, Live An increased risk of infection by the live vaccine Details Arsenic Trioxide Adenovirus Vaccine Type 7, Live An increased risk of infection by the live vaccine Details Arsenic Trioxide Ajmaline An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Arsenic Trioxide Alfuzosin UroXatral An increased risk of QT interval prolongation Details Arsenic Trioxide Amiloride Increased risk of QT-interval prolongation and torsade de pointes Details Arsenic Trioxide Amiodarone Nexterone Cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Arsenic Trioxide Amisulpride Barhemsys Increased risk of serious ventricular arrhythmias such as torsades de pointes Details Arsenic Trioxide Amoxapine An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.