Does Voriconazole Interact with Micafungin?
Voriconazole and Micafungin have a unknown drug interaction according to U.S. FDA drug labeling data. ( 7 ) 7.1 Effect of Other Drugs on Micafungin CYP3A4, CYP2C9 and CYP2C19 Inhibitors Co-administration of micafungin with cyclosporine, itraconazole, voriconazole and fluconazole did not alter the pharmacokinetics of micafungin. 7.2 Effect of Micafungin on Other Drugs CYP3A4 Substrates There was no effect of single or multiple doses of micafungin on cyclosporine, tacrolimus, prednisolone, voriconazole and fluconazole pharmacokinetics. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Unknown
- Voriconazole Class
- Azole Antifungal
- Micafungin Class
- Echinocandin Antifungal
- Management
- Consult your pharmacist
- Data Source
- U.S. FDA via OpenFDA
What To Tell Your Doctor or Pharmacist
If you are taking Voriconazole and your doctor is considering prescribing Micafungin (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Never stop or change either medication without first consulting your healthcare provider