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Prescription medicine · generic available

Ibutilide fumarate

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 Ibutilide fumarate used for?
The FDA-approved label (Corvert, Pharmacia & Upjohn Company LLC, January 25, 2024) says: “CORVERT Injection is indicated for the rapid conversion of atrial fibrillation or atrial flutter of recent onset to sinus rhythm. Patients with atrial arrhythmias of longer duration are less likely to respond to CORVERT. The effectiveness of ibutilide has not been determined in patients with arrhythmias of more than 90 days in duration.” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Ibutilide fumarate have a boxed warning?
Yes. The FDA label for Corvert has a boxed warning, the FDA’s strongest warning. Read it on the full label and ask your pharmacist.
Is there a shortage of Ibutilide fumarate?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Ibutilide fumarate been recalled?
No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
Who makes Ibutilide fumarate?
2 companies list prescription products of Ibutilide fumarate in the FDA NDC Directory, including Pharmacia & Upjohn Company LLC and Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc..

What Ibutilide fumarate is used for

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

CORVERT Injection is indicated for the rapid conversion of atrial fibrillation or atrial flutter of recent onset to sinus rhythm. Patients with atrial arrhythmias of longer duration are less likely to respond to CORVERT. The effectiveness of ibutilide has not been determined in patients with arrhythmias of more than 90 days in duration.

— FDA label: Corvert, Pharmacia & Upjohn Company LLC, effective January 25, 2024. Read the full label on DailyMed →

The FDA has 3 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.

Conditions named on the label

These condition names appear word for word in the label’s “Indications and Usage” text (matched with a reviewed table). Each page lists hospitals whose own websites name the condition.

Related medical specialties

Boxed warning

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

This label has a boxed warning. Read it on the full label →

2 of 3 FDA labels for this medicine have a boxed warning.

Forms and how it is given

Dosage formsInjection, solution
RouteIntravenous
Prescription products2 in the FDA NDC Directory
Brand namesCorvert

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
NDA020491
CORVERT
PfizerDecember 28, 1995 6, latest June 9, 2014
2014: Manufacturing (CMC) · 2002: Manufacturing (CMC) · 2001: Labeling

Generic approvals (1)

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)979120, 979122
SPL set ID of the quoted labelb7d717ed-022d-4459-b5e6-098c2a8b7427
FDA labels (SPL)3
FDA applicationsNDA020491, 1 ANDA
Active ingredients (FDA)IBUTILIDE

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Corvert, Pharmacia & Upjohn Company LLC, effective January 25, 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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