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Anidulafungin and Voriconazole Interaction

Drug interaction information between Anidulafungin and Voriconazole.

Anidulafungin and Voriconazole have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Anidulafungin and Voriconazole. Major interactions are generally avoided, moderate ones may need monitoring or a dose adjustment, and minor ones are usually low-risk. This page shows the documented mechanism and guidance. Label-documented interactions are not a complete safety review, so always confirm your own medications with a pharmacist or doctor. Educational information, not medical advice.

Drug A

Anidulafungin

Echinocandin Antifungal

Drug B

Voriconazole

Azole Antifungal

How They Interact

These drugs do not affect how the body uses or removes either medication. Their levels in the blood stay the same when they are taken together.

What To Do

No dosage adjustments are necessary for either drug when used together.

FDA Label Information

7.2 Voriconazole Administration of multiple doses of anidulafungin and voriconazole to healthy subjects resulted in no significant alteration in the steady state pharmacokinetics of either drug. No dosage adjustment of voriconazole or anidulafungin is needed when the two drugs are co-administered [see Clinical Pharmacology (12.3) ] .

Frequently Asked Questions

Can I take Anidulafungin and Voriconazole together?

This is a minor interaction. No dosage adjustments are necessary for either drug when used together.

How serious is the interaction between Anidulafungin and Voriconazole?

This interaction is classified as "minor" severity by the FDA. Minor interactions are unlikely to cause significant problems but should still be mentioned to your healthcare provider.

Why do Anidulafungin and Voriconazole interact?

These drugs do not affect how the body uses or removes either medication. Their levels in the blood stay the same when they are taken together.

Understanding the Anidulafungin and Voriconazole Interaction

FDA-approved prescribing information for these two drugs flags their combination as a minor-severity interaction. Anidulafungin belongs to the Echinocandin Antifungal class and Voriconazole belongs to the Azole Antifungal class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: These drugs do not affect how the body uses or removes either medication. Severity tiers matter: major flags generally advise avoidance, moderate flags often require monitoring or dose adjustment, and minor flags may only call for awareness.

Context around a specific patient determines real-world impact. Anidulafungin has 4 total documented interactions on file in this dataset, and Voriconazole has 50. Each additional medication compounds the interaction surface, which is why pharmacists run full-profile checks rather than evaluating one pair at a time. FDA-derived guidance for this pair is: No dosage adjustments are necessary for either drug when used together. Timing of doses, renal and hepatic function, age, and other concurrent prescriptions all shape whether a labeled interaction matters clinically.

An interaction flag is not a verdict. A large share of labeled interactions are managed routinely in clinical practice, the fix may be as simple as spacing doses or adding a monitoring test. Others require the prescriber to choose a different medication entirely. This page surfaces FDA-sourced labeling and openFDA data for educational purposes only; it is not medical advice and cannot account for your full clinical picture. Never start, stop, or adjust either Anidulafungin or Voriconazole based on a web page, speak with your prescriber or pharmacist before making any change.

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. Always consult your healthcare provider about drug interactions.