Deferasirox has 54 known drug interactions based on U.S. FDA drug labeling data. Of these, 1 are contraindicated combinations that should be avoided entirely. 5 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Iron-Containing Preparations, Busulfan, Colesevelam. Patients taking Deferasirox should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 54
- Contraindicated
- 1
- Major
- 5
- Moderate
- 47
Contraindicated (1)
- Deferasirox + Iron-Containing Preparations— Do not take deferasirox with aluminum-containing antacid preparations due to potential competitive binding.
Major (5)
- Deferasirox + Busulfan— Deferasirox increases exposure of busulfan. Monitor plasma concentrations and adjust busulfan dose as needed.
- Deferasirox + Colesevelam— 7.6Bile Acid Sequestrants Avoid the concomitant use of bile acid sequestrants (e.g., cholestyramine, colesevelam, colest…
- Deferasirox + Repaglinide— Deferasirox increases exposure of repaglinide. Consider repaglinide dose reduction and monitor blood glucose levels.
- Deferasirox + Theophylline— Avoid concomitant use as deferasirox increases theophylline levels, potentially causing CNS or other serious adverse rea…
- Deferasirox + Tizanidine— Avoid concomitant use as deferasirox inhibits CYP1A2 and tizanidine has a narrow therapeutic index.
Moderate (47)
- Deferasirox + Alfentanil— Deferasirox may induce CYP3A4 resulting in decreased alfentanil concentration. Monitor for reduced effectiveness.
- Deferasirox + Alosetron— Deferasirox inhibits CYP1A2 resulting in increased alosetron concentration. Monitor for exposure related toxicity.
- Deferasirox + Aprepitant— Deferasirox may induce CYP3A4 resulting in decreased aprepitant concentration. Monitor for reduced effectiveness.
- Deferasirox + Budesonide— Deferasirox may induce CYP3A4 resulting in decreased budesonide concentration. Monitor for reduced effectiveness.
- Deferasirox + Buspirone— Deferasirox may induce CYP3A4 resulting in decreased buspirone concentration. Monitor for reduced effectiveness.
- Deferasirox + Caffeine— Deferasirox inhibits CYP1A2 resulting in increased caffeine concentration. Monitor for exposure related toxicity.
- Deferasirox + Conivaptan— Deferasirox may induce CYP3A4 resulting in decreased conivaptan concentration. Monitor for reduced effectiveness.
- Deferasirox + Cyclosporine— Deferasirox may induce CYP3A4 resulting in decreased cyclosporine concentration. Monitor for reduced effectiveness.
- Deferasirox + Darifenacin— Deferasirox may induce CYP3A4 resulting in decreased darifenacin concentration. Monitor for reduced effectiveness.
- Deferasirox + Darunavir— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Dasatinib— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Dihydroergotamine— Deferasirox may induce CYP3A4 resulting in decreased dihydroergotamine concentration. Monitor for reduced effectiveness.
- Deferasirox + Dronedarone— Deferasirox may induce CYP3A4 resulting in decreased dronedarone concentration. Monitor for reduced effectiveness.
- Deferasirox + Duloxetine— Deferasirox inhibits CYP1A2 resulting in increased duloxetine concentration. Monitor for exposure related toxicity.
- Deferasirox + Eletriptan— Deferasirox may induce CYP3A4 resulting in decreased eletriptan concentration. Monitor for reduced effectiveness.
- Deferasirox + Eplerenone— Deferasirox may induce CYP3A4 resulting in decreased eplerenone concentration. Monitor for reduced effectiveness.
- Deferasirox + Ergotamine— Deferasirox may induce CYP3A4 resulting in decreased ergotamine concentration. Monitor for reduced effectiveness.
- Deferasirox + Everolimus— Deferasirox may induce CYP3A4 resulting in decreased everolimus concentration. Monitor for reduced effectiveness.
- Deferasirox + Felodipine— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Fentanyl— Deferasirox may induce CYP3A4 resulting in decreased fentanyl concentration. Monitor for reduced effectiveness.
- Deferasirox + Fluticasone— Deferasirox may induce CYP3A4 resulting in decreased fluticasone concentration. Monitor for reduced effectiveness.
- Deferasirox + Indinavir— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Lopinavir— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Lovastatin— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Lurasidone— Deferasirox may induce CYP3A4 resulting in decreased lurasidone concentration. Monitor for reduced effectiveness.
- Deferasirox + Maraviroc— Deferasirox may induce CYP3A4 resulting in decreased maraviroc concentration. Monitor for reduced effectiveness.
- Deferasirox + Melatonin— Deferasirox inhibits CYP1A2 resulting in increased melatonin concentration. Monitor for exposure related toxicity.
- Deferasirox + Midazolam— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Nisoldipine— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Oral Contraceptives— Deferasirox may induce CYP3A4 resulting in decreased hormonal contraceptive concentration. Monitor for reduced effective…
- Deferasirox + Paclitaxel— Deferasirox inhibits CYP2C8 resulting in increased paclitaxel concentration. Monitor for exposure related toxicity.
- Deferasirox + Pimozide— Deferasirox may induce CYP3A4 resulting in decreased pimozide concentration. Monitor for reduced effectiveness.
- Deferasirox + Quetiapine— Deferasirox may induce CYP3A4 resulting in decreased quetiapine concentration. Monitor for reduced effectiveness.
- Deferasirox + Quinidine— Deferasirox may induce CYP3A4 resulting in decreased quinidine concentration. Monitor for reduced effectiveness.
- Deferasirox + Ramelteon— Deferasirox inhibits CYP1A2 resulting in increased ramelteon concentration. Monitor for exposure related toxicity.
- Deferasirox + Rapamycin— Deferasirox may induce CYP3A4 resulting in decreased sirolimus concentration. Monitor for reduced effectiveness.
- Deferasirox + Saquinavir— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Selexipag— Moderate CYP2C8 inhibitor that increases exposure to selexipag's active metabolite. Reduce selexipag dosing to once dail…
- Deferasirox + Sildenafil— Deferasirox may induce CYP3A4 resulting in decreased sildenafil concentration. Monitor for reduced effectiveness.
- Deferasirox + Simvastatin— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Tacrine— Deferasirox inhibits CYP1A2 resulting in increased tacrine concentration. Monitor for exposure related toxicity.
- Deferasirox + Tacrolimus— Deferasirox may induce CYP3A4 resulting in decreased tacrolimus concentration. Monitor for reduced effectiveness.
- Deferasirox + Ticagrelor— Deferasirox may induce CYP3A4 resulting in decreased ticagrelor concentration. Monitor for reduced effectiveness.
- Deferasirox + Tipranavir— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Tolvaptan— Deferasirox may induce CYP3A4 resulting in decreased tolvaptan concentration. Monitor for reduced effectiveness.
- Deferasirox + Triazolam— Closely monitor patients for signs of reduced effectiveness when deferasirox is administered with drugs metabolized by C…
- Deferasirox + Vardenafil— Deferasirox may induce CYP3A4 resulting in decreased vardenafil concentration. Monitor for reduced effectiveness.