caspofungin vs micafungin
Side-by-side comparison of caspofungin and micafungin Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Cancidas
Mycamine
Caspofungin is an antifungal medicine. It fights fungal infections in your body.
Micafungin is an antifungal medicine. It treats certain Candida infections in adults and children.
Caspofungin treats several types of fungal infections. It is used for presumed fungal infections in patients with fever and low white blood cell counts. Caspofungin also treats infections caused by Candida, such as infections in the blood, abdomen, and esophagus. It can also treat invasive aspergillosis when other medicines don't work or can't be tolerated.
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.
Caspofungin stops fungi from growing. It does this by blocking a key part of the fungal cell wall. This causes the fungal cells to die.
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.
- • Diarrhea
- • Fever
- • Increased liver enzyme levels
- • Decreased potassium levels
- • Rash
- • Diarrhea
- • Nausea
- • Vomiting
- • Abdominal pain
- • Fever
- The medicine is not working 644
- Using the medicine for a condition it is not approved for 233
- Death 223
- Using the product for a condition it is not approved for 207
- Lung infection 200
- 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
Caspofungin can cause serious allergic reactions, including anaphylaxis. If you have signs of an allergic reaction, stop taking caspofungin right away. Caspofungin can also affect your liver. Your doctor will monitor your liver function with blood tests.
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.
Caspofungin may harm your unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. It is not known if caspofungin passes into breast milk, so talk to your doctor about breastfeeding while taking this medicine.
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 caspofungin vs micafungin Comparison
caspofungin 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, caspofungin has 1,507 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 caspofungin 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.