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Prescription medicine · generic available

Isoflurane

Drug class: General Anesthetic

The FDA’s “Established Pharmacologic Class”: the group of medicines that work in a similar way.

Official FDA data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the drug label, the NDC Directory, Drugs@FDA, recall reports and the drug shortage list. Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

In an emergency, call 911. If someone may have taken too much of a medicine, call Poison Help: 1‑800‑222‑1222.

Quick answers

What is Isoflurane used for?
The FDA-approved label (Forane, Baxter Healthcare Corporation, December 9, 2024) says: “FORANE (isoflurane, USP) may be used for induction and maintenance of general anesthesia. Adequate data have not been developed to establish its application in obstetrical anesthesia. FORANE, a general anesthetic, is an inhalation agent indicated for induction and maintenance of general anesthesia.” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Isoflurane have a boxed warning?
No. None of the 8 FDA labels we found for this medicine has a boxed warning.
Is there a shortage of Isoflurane?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Isoflurane been recalled?
No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
Who makes Isoflurane?
5 companies list prescription products of Isoflurane in the FDA NDC Directory, including Piramal Critical Care Inc, Mullan Pharmaceutical Inc. and Shandong New Time Pharmaceutical Co., Ltd..

What Isoflurane is used for

Quoted from the “Indications and Usage” section of the FDA-approved label.

FORANE (isoflurane, USP) may be used for induction and maintenance of general anesthesia. Adequate data have not been developed to establish its application in obstetrical anesthesia. FORANE, a general anesthetic, is an inhalation agent indicated for induction and maintenance of general anesthesia.

— FDA label: Forane, Baxter Healthcare Corporation, effective December 9, 2024. Read the full label on DailyMed →

The FDA has 8 labels for products of this medicine (different makers and forms); uses can differ between them. Check the label that comes with your own medicine.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

Boxed warning

A boxed warning (“black box”) is the FDA’s strongest warning on a drug label, for serious or life-threatening risks.

The label quoted above has no boxed warning.

0 of 8 FDA labels for this medicine have a boxed warning.

Forms and how it is given

Dosage formsLiquid · Inhalant
RouteRespiratory (inhalation)
Prescription products10 in the FDA NDC Directory
Brand namesIsoflurane, (Volatile for Inhalation), Terrell, Forane

Companies that list this medicine

Labelers in the FDA NDC Directory: the company named on the package (maker or distributor), with the number of prescription products.

FDA approval history

  • NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
  • ANDA: Abbreviated New Drug Application: how a generic version is approved.
Brand and biologic applications
ApplicationSponsorApprovedLater changes approved
NDA017624
FORANE
Baxter HlthcareDecember 18, 1979 35, latest December 9, 2024
2024: Labeling · 2022: Labeling · 2021: Labeling

Generic approvals (4)

Shortage status

The FDA drug shortage list does not show these products.

FDA Drug Shortages database →

Recalls

No recall linked to these products (by their NDC code) appears in the FDA enforcement reports.

Official identifiers

RxCUI (RxNorm)542347, 542355, 542358
SPL set ID of the quoted label3d30eb8d-a62e-475f-926b-78ba63bee9c8
FDA labels (SPL)8
FDA applicationsNDA017624, 4 ANDA
Active ingredients (FDA)ISOFLURANE

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Forane, Baxter Healthcare Corporation, effective December 9, 2024; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
  2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  4. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  5. Drug shortages (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026

openFDA data is provided by the FDA as is; it may be incomplete. Always rely on the label that comes with your medicine. FDA Enforcement Report search →

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