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FDA Orange Book · active-ingredient family

Isoflurane

Isoflurane: 1 brand, 6 generics; first approved Jan 25, 1993; generic available.

Generic availableHas discontinued products
Generic status & protection

Generic available: 6 ANDA applications approved.

Brands (NDA)
1
Generics (ANDA)
6
Listed patents
0
Presentations
7

Brand (NDA) products

Originator applications
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  • FORANERLDRS
    NDA 017624-
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    99.9%LIQUIDINHALATIONRxAN

Generic (ANDA) products (6)

Abbreviated applications
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  • ISOFLURANE
    ANDA 2165272025
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    99.9%LIQUIDINHALATIONRxAN
  • ISOFLURANE
    ANDA 0752251999
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    99.9%LIQUIDINHALATIONRxAN
  • ISOFLURANE
    ANDA 0745021995
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    99.9%LIQUIDINHALATIONRxAN
  • ISOFLURANE
    ANDA 0743931995
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    99.9%LIQUIDINHALATIONDiscontinued-
  • ISOFLURANE
    ANDA 0744161994
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    99.9%LIQUIDINHALATIONRxAN
  • ISOFLURANE
    ANDA 0740971993
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    99.9%LIQUIDINHALATIONDiscontinued-

Listed patents

Orange Book patent file

No patents are listed against this product in the Orange Book. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.

Approval history

FDA approval span
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First approval
34 yr 3 mo ago
Most recent approval
1 yr ago

Approvals span 1993–2025 across 7 FDA applications.

Brand (NDA) 114%
Generic (ANDA) 686%

Isoflurane: frequently asked questions

Generics, reference-listed drug, patents, and exclusivity for this active ingredient, from the FDA Orange Book.

Built directly from the FDA Orange Book data file (products, patents, and exclusivity). TE codes, RLD/RS flags, patent expirations, and exclusivity dates match the official FDA record. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.

Related FDA reference tools

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  • ClinicalTrials.gov
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  • EMA
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