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Prescription medicine

Isavuconazonium Brand names: Cresemba

Isavuconazonium (Cresemba) is a prescription medicine with an FDA approval on record since 2015. No generic is listed; pharmacies paid $114.00 per Cresemba 186 mg capsule in the October 7, 2026 NADAC survey.

  • No generic listed

Check it at the source: the isavuconazonium FDA label on DailyMed (effective April 25, 2025, Astellas Pharma US, Inc.); the NDA 207500 record on Drugs@FDA; every isavuconazonium label on DailyMed.

Highlights of the record

FDA label of April 25, 2025; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026; NADAC October 7, 2026

Used for

From the label: indications and usage

CRESEMBA ® is an azole antifungal indicated for the treatment of: Invasive aspergillosis ( 1.1 ) and Invasive mucormycosis ( 1.2 ) as follows:

CRESEMBA for injection: adults and pediatric patients 1 year of age and older

CRESEMBA capsules: adults and pediatric patients 6 years of age and older who weigh 16 kilograms (kg) and greater 1.1 Invasive Aspergillosis CRESEMBA ® is indicated for the treatment of invasive

Forms and strengths

  • 40 mg
  • 100 mg
  • 40 mg/ml

Capsule; injection (powder) (lyophilized) for solution.

On the market

Earliest approval on file
March 6, 2015 Cresemba, Astellas; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
No generic approved
Labelers listed (NDC)
1 of which 0 under generic applications, 1 under brand applications, repackagers included
Last listed patent
March 14, 2028 Cresemba capsules; not a generic launch date

Supply and safety

Pharmacy cost (NADAC)
$114.00 per capsule Cresemba 186 mg capsule
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
No recall recorded
FAERS reports
3,649 through July 30, 2026

What is isavuconazonium used for?

From the label: indications and usage

CRESEMBA ® is an azole antifungal indicated for the treatment of: Invasive aspergillosis ( 1.1 ) and Invasive mucormycosis ( 1.2 ) as follows:

CRESEMBA for injection: adults and pediatric patients 1 year of age and older

CRESEMBA capsules: adults and pediatric patients 6 years of age and older who weigh 16 kilograms (kg) and greater 1.1 Invasive Aspergillosis CRESEMBA ® is indicated for the treatment of invasive aspergillosis as follows: CRESEMBA for injection: adults and pediatric patients 1 year of age and older [see Clinical Studies ( 14.1 ) and Clinical Pharmacology ( 12.4 )] CRESEMBA capsules: adults and pediatric patients 6 years of age and older who weigh 16 kilograms (kg) and […]

FDA pharmacologic class: Azole Antifungal.

Source: FDA drug label (CRESEMBA), Astellas Pharma US, Inc., effective April 25, 2025 (SPL set 8f7f73b8-586a-4df0-935f-fecd4696c16c), via openFDA; the full label on DailyMed

Is there a generic for isavuconazonium (Cresemba)?

No generic isavuconazonium is approved (Drugs@FDA, October 8, 2026).

The Orange Book lists 3 patents for Cresemba capsules: the compound patent runs to October 31, 2025 (pediatric exclusivity to April 30, 2026), and the last listed entry to March 14, 2028. A patent or exclusivity date is not the date a generic goes on sale: court cases and settlements move it either way.

  • 2015 earliest approval on file
  • 2028 last listed patent

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What do pharmacies pay for isavuconazonium (Cresemba)?

In CMS's NADAC survey of October 7, 2026, pharmacies paid $114.00 per Cresemba 186 mg capsule, up 3% from $110.77 on October 8, 2025. The chart's scale runs from the lowest to the highest price shown, not from zero. NADAC is what retail pharmacies paid their wholesalers, per unit, in CMS's monthly survey; what a patient pays depends on insurance and the pharmacy.

  • Cresemba 186 mg capsule (brand)
$114.13
$107.12
January 2024October 2026
NADAC per unit, October 7, 2026
Strength and formBrand or genericPharmacy cost30 tablets, or one pen or vial12-month change
Cresemba 186 mg capsuleBrand$114.00 per capsule$3,419.94+3%

Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price

What does the isavuconazonium label say about other medicines?

The isavuconazonium label names 14 other medicines in its interaction, contraindication or warning sections. The labels of 3 other medicines name isavuconazonium. The sentences are the labels' own; a label lists what its studies and reports found, not every interaction.

Medicine namedSectionWhat the label says
Atorvastatindrug interactionsAtorvastatin Use with Caution Caution should be used when atorvastatin is used with CRESEMBA due to a potential increase in atorvastatin exposure.
Bupropiondrug interactionsBupropion Use with Caution Concomitant administration of CRESEMBA and bupropion results in decrease in bupropion exposure.
CarbamazepinecontraindicationsCoadministration of strong CYP3A4 inducers, such as rifampin, carbamazepine, St. John’s wort, or long acting barbiturates with CRESEMBA is contraindicated because strong CYP3A4 inducers can significantly decrease the plasma concentration of isavuconazole [see Drug Interactions ( 7 ) and Clinical Pharmacology ( 12.3 )].
Cyclosporinedrug interactionsCyclosporine Use with Caution Concomitant administration of CRESEMBA and cyclosporine results in increase in cyclosporine exposure.
Digoxindrug interactionsDigoxin Use with Caution Concomitant administration of CRESEMBA and digoxin results in increase in digoxin exposure.
KetoconazolecontraindicationsCoadministration of strong CYP3A4 inhibitors, such as ketoconazole or high-dose ritonavir (400 mg every 12 hours), with CRESEMBA is contraindicated because strong CYP3A4 inhibitors can significantly increase the plasma concentration of isavuconazole [see Drug Interactions ( 7 ) and Clinical Pharmacology ( 12.3 )].
Lopinavir and ritonavirdrug interactionsCaution is advised when CRESEMBA is coadministered with lopinavir/ritonavir There is a 96% increase in exposure of isavuconazole when coadministered with lopinavir/ritonavir [see Clinical Pharmacology ( 12.3 )].
Midazolamdrug interactionsMidazolam Use with Caution Concomitant administration of CRESEMBA and midazolam results in increase in midazolam exposure.
Mycophenolate mofetildrug interactionsMycophenolate Mofetil Use with Caution Concomitant administration of CRESEMBA and MMF results in increase in MMF exposure.
RifampincontraindicationsCoadministration of strong CYP3A4 inducers, such as rifampin, carbamazepine, St. John’s wort, or long acting barbiturates with CRESEMBA is contraindicated because strong CYP3A4 inducers can significantly decrease the plasma concentration of isavuconazole [see Drug Interactions ( 7 ) and Clinical Pharmacology ( 12.3 )].
RitonavircontraindicationsCoadministration of strong CYP3A4 inhibitors, such as ketoconazole or high-dose ritonavir (400 mg every 12 hours), with CRESEMBA is contraindicated because strong CYP3A4 inhibitors can significantly increase the plasma concentration of isavuconazole [see Drug Interactions ( 7 ) and Clinical Pharmacology ( 12.3 )].
Sirolimusdrug interactionsSirolimus Use with Caution Concomitant administration of CRESEMBA and sirolimus results in increase in sirolimus exposure.
Tacrolimusdrug interactionsTacrolimus Use with Caution Concomitant administration of CRESEMBA and tacrolimus results in increase in tacrolimus exposure.
Vincristinedrug interactionsVincristine Avoid Concomitant Use Avoid concomitant use with CRESEMBA in pediatric and adult patients.

Other labels that name isavuconazonium

Check isavuconazonium against other medicines

Source: FDA drug label (CRESEMBA), Astellas Pharma US, Inc., effective April 25, 2025 (SPL set 8f7f73b8-586a-4df0-935f-fecd4696c16c), via openFDA; the full label on DailyMed

What do FAERS reports show for isavuconazonium?

The FDA Adverse Event Reporting System holds 3,649 reports that list isavuconazonium among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 739 are coded as a death and 1,183 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

Reports received each year

The most reported reactions

  • Off Label Use (a use or a product term, not a reaction)1,060
  • Death (an outcome recorded in the report)327
  • Nausea (named in the label)175
  • Drug Ineffective (a use or a product term, not a reaction)151
  • Febrile Neutropenia149
  • Pyrexia142
  • Pneumonia137
  • Condition Aggravated (a use or a product term, not a reaction)126

Side effects: the label's list and every FAERS reaction

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What next?

Alternatives to isavuconazonium
medicines labeled for the same conditions
Other azole antifungals
the pharmacologic class, with prices and generics
Isavuconazonium side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other