anidulafungin vs micafungin
Side-by-side comparison of anidulafungin and micafungin Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Eraxis
Mycamine
Eraxis is an antifungal medicine. It treats certain Candida infections in your body.
Micafungin is an antifungal medicine. It treats certain Candida infections in adults and children.
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.
Micafungin treats several types of Candida infections. These include infections in the blood, abdomen, and esophagus. It can also prevent Candida infections in stem cell transplant patients.
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.
Micafungin stops the growth of Candida by blocking a key part of its cell wall. This weakens the fungus and allows your body to fight the infection. It targets a substance called 1,3-beta-D-glucan.
- • Low potassium levels
- • Nausea
- • Diarrhea
- • Vomiting
- • Fever
- • Diarrhea
- • Nausea
- • Vomiting
- • Abdominal pain
- • Fever
- The medicine did not work 367
- Many organs stop working right 171
- Using the medicine for something it's not approved for 164
- Dangerous drop in blood pressure due to infection 127
- Blood infection 115
- The medicine is not working 985
- Using the medicine for a condition it is not approved for 542
- Fever 281
- Using the product for a condition it is not approved for 275
- Fever with low white blood cell count 258
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.
Micafungin can cause serious allergic reactions, including shock. Tell your doctor right away if you have hives, trouble breathing, or swelling. It can also cause liver problems. Your doctor will check your liver function during treatment.
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.
Micafungin may harm your unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. It is not known if micafungin passes into breast milk. Talk to your doctor about the risks and benefits of breastfeeding.
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How to Read This anidulafungin vs micafungin Comparison
anidulafungin is classified in the Echinocandin Antifungal drug class, while micafungin sits within the Echinocandin Antifungal class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. 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 944 submissions while micafungin has 2,341. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. 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 micafungin — 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.