OpenClaim

Micafungin Side Effects

The most commonly reported side effects of micafungin include off label use, febrile neutropenia, and pyrexia, based on 8,422 FDA adverse event reports from 2004 to 2025. 12.8% of reports found the drug to be ineffective.

Micafungin side effects

Percentages show how often each reaction appears relative to total reports for micafungin.

1
Off Label Use13.8%1,164
2
Drug Ineffective12.8%1,079
3
Febrile Neutropenia6.0%503
4
Pyrexia5.5%461
5
Product Use In Unapproved Indication4.6%390
6
Sepsis3.6%305
7
Pneumonia3.4%285
8
Death3.3%275
9
Multiple Organ Dysfunction Syndrome3.2%270
10
Acute Kidney Injury3.1%265
11
Diarrhoea3.0%253
12
Neutropenia2.8%234
13
Aplastic Anaemia2.7%226
14
Septic Shock2.6%223
15
Respiratory Failure2.6%219

These are voluntary reports and do not establish that micafungin caused these reactions.

Report severity

89.7%Serious7,558 reports
44.2%Hospitalizations3,719 reports
33.8%Fatal2,849 reports

Seriousness is determined by the reporter, not by OpenClaim.

Micafungin drug interactions

Other drugs that appear in adverse event reports alongside micafungin. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Amphotericin-b9.6%812
2
Tacrolimus8.3%700
3
Voriconazole8.2%688
4
Cytarabine7.9%664
5
Vancomycin7.5%632
6
Cyclophosphamide7.1%600
7
Meropenem7.0%589
8
Mycophenolate6.6%555
9
Fludarabine-phosphate6.0%506
10
Methotrexate5.9%499
11
Dexamethasone5.5%464
12
Methylprednisolone5.2%440
13
Prednisone4.9%414
14
Cyclosporine4.2%352
15
Etoposide4.1%346

Taken alongside

1
Vancomycin17.2%1,452
2
Meropenem16.3%1,375
3
Acyclovir16.2%1,363
4
Acetaminophen12.3%1,040
5
Ondansetron12.0%1,011
6
Methylprednisolone11.2%941
7
Furosemide11.0%924
8
Fluconazole9.8%829
9
Cefepime-hydrochloride9.8%822
10
Sulfamethoxazole9.4%788
11
Levofloxacin9.3%786
12
Tacrolimus8.2%689
13
Pantoprazole-sodium7.9%668
14
Amphotericin-b7.7%648
15
Lorazepam7.6%640

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports micafungin side effects

36.0% of micafungin adverse event reports involve female patients and 55.7% involve male patients. The largest age group is adult at 52%. These figures reflect who reports side effects, not underlying risk.

Sex

Female36.0%
Male55.7%
Unknown8.3%

Age group

< 24.3%
2–1111.0%
12–176.9%
18–6452.4%
65+25.4%

What is micafungin used for

Conditions and purposes for which patients were taking micafungin when the adverse event was reported.

Abdominal AbscessAbdominal InfectionAbdominal PainAbdominal SepsisAbdominal Wall AbscessAbortion Induced ComplicatedAbscessAbscess LimbAbscess OralAccidental ExposureAcidosisActinomycotic Pulmonary InfectionAcute EndocarditisAcute Hepatic FailureAcute Kidney Injury

Showing 15 of 766 indications

Micafungin brand names and reporting trend

Micafungin is sold under the brand name Micafungin In Sodium Chloride 0.9%.

Brand names

Micafungin In Sodium Chloride 0.9%1,549

Quarterly reports (20042025)

20052010201520202025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking micafungin with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.