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anidulafungin vs voriconazole

Side-by-side comparison of anidulafungin and voriconazole. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

minor Known Drug Interaction

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) ] .

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

Drug Class
anidulafungin Echinocandin Antifungal
voriconazole Azole Antifungal
Type
anidulafungin Prescription
voriconazole Prescription
Summary
anidulafungin

Eraxis is an antifungal medicine. It treats certain Candida infections in your body.

voriconazole

Voriconazole (Vfend) is an antifungal medicine. It is used to treat serious fungal infections in adults and children 2 years and older.

What It Treats
anidulafungin

Eraxis treats candidemia and other Candida infections, like intra-abdominal abscesses and peritonitis. It can be used in adults and children 1 month and older. Eraxis also treats esophageal candidiasis (a Candida infection in the esophagus) in adults. However, Eraxis may not work as well for esophageal candidiasis, and the infection may come back.

voriconazole

This medicine treats several types of fungal infections. It is used for invasive aspergillosis, a lung infection. It also treats candidemia (a blood infection) and other Candida infections in the skin, abdomen, kidney, bladder, and wounds. Voriconazole can also treat esophageal candidiasis (a throat infection) and serious infections caused by Scedosporium and Fusarium fungi.

How It Works
anidulafungin

Eraxis belongs to a class of drugs called echinocandins. It works by stopping the growth of the fungus Candida. It does this by blocking a key part of the fungal cell wall.

voriconazole

Voriconazole belongs to a class of drugs called azole antifungals. It works by stopping the growth of fungi. It does this by interfering with the production of the fungal cell membrane.

Common Side Effects
anidulafungin
  • Low potassium levels
  • Nausea
  • Diarrhea
  • Vomiting
  • Fever
voriconazole
  • Visual disturbances
  • Fever
  • Nausea
  • Rash
  • Vomiting
FAERS Reports
anidulafungin
  • Many organs stop working right 171
  • Dangerous drop in blood pressure due to infection 127
  • Blood infection 115
  • Lung infection 94
  • Fever 90
voriconazole
  • The medicine is interacting with another medicine 2,315
  • Death 1,460
  • Fever 1,411
  • Lung infection 1,322
  • The condition is getting worse 1,093
Serious Warnings
anidulafungin

Eraxis can cause liver problems. Your doctor should check your liver function while you are taking Eraxis. Allergic reactions, including shock, can happen. Tell your doctor right away if you have any signs of an allergic reaction, like rash, hives, flushing, itching, trouble breathing, or low blood pressure. Eraxis contains fructose. If you have hereditary fructose intolerance, you should not take Eraxis.

voriconazole

Voriconazole can cause serious liver problems. Your doctor will check your liver function with blood tests before and during treatment. This medicine can also cause heart rhythm problems. Make sure your potassium, magnesium, and calcium levels are normal before starting. Voriconazole can also cause severe skin reactions and make you sensitive to sunlight. Avoid sunlight and wear protective clothing. This medicine can harm an unborn baby, so women who can get pregnant should use effective birth control.

Pregnancy
anidulafungin

Eraxis may harm your unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. It is not known if Eraxis passes into breast milk. Talk to your doctor about the risks and benefits of breastfeeding while taking Eraxis.

voriconazole

Voriconazole can cause harm to an unborn baby. If you are pregnant or could become pregnant, talk to your doctor. It is not known if voriconazole passes into breast milk. Talk to your doctor about the risks and benefits of breastfeeding while taking this medicine.

Also Compare, Nearby Drugs

How to Read This anidulafungin vs voriconazole Comparison

anidulafungin is classified in the Echinocandin Antifungal drug class, while voriconazole sits within the Azole Antifungal class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, anidulafungin has 597 submissions while voriconazole has 7,601. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to 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.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between anidulafungin and voriconazole - always consult your physician or pharmacist first.

Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.