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Two medicines, side by side

Furosemide vs torsemide

Furosemide and torsemide are both labeled for high blood pressure and heart failure. Drugs@FDA records approvals of furosemide since 1966 and of torsemide since 1993. Pharmacies paid $0.490 per mL (Furosemide 20 mg/2 mL vial) and $0.0636 per torsemide 20 mg tablet (NADAC, October 7, 2026).

Check it at the source: the furosemide FDA label on DailyMed (effective September 30, 2025); the torsemide FDA label on DailyMed (effective May 8, 2024).

Highlights of the furosemide record

Furosemide (Lasix) · label of September 30, 2025

Used for

From the label: indications

Edema LASIX is indicated in adults and pediatric patients for the treatment of edema associated with congestive heart failure, cirrhosis of the liver, and renal disease, including the nephrotic syndrome. LASIX is particularly useful when an agent with greater diuretic potential is desired. […]

On the market

Earliest approval on file
July 1, 1966
Generic labelers
52 labelers
Pharmacy cost
$0.490 per mL

Supply and safety

Shortage
In shortage
Recalls
8

Highlights of the torsemide record

Torsemide (Demadex) · label of May 8, 2024

Used for

From the label: indications

Torsemide is a loop diuretic indicated for: the treatment of edema associated with heart failure, renal disease or hepatic disease. ( 1.1 ) the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. […]

On the market

Earliest approval on file
August 23, 1993
Generic labelers
20 labelers
Pharmacy cost
$0.0636 per tablet

Supply and safety

Shortage
No current entry
Recalls
2

Source: FDA drug labels via openFDA (Furosemide label of September 30, 2025, Torsemide label of May 8, 2024); NDC Directory, Drugs@FDA, NADAC, FDA shortages and recalls (October 8, 2026)

How do furosemide and torsemide differ on the record?

Both are in FDA's class loop diuretics.

Half-life, in each label's words: Furosemide, “The terminal half-life of furosemide is approximately 2 hours.”; Torsemide, “Elimination In normal subjects the elimination half-life of torsemide is approximately 3.5 hours.”

Generics: furosemide since 1985; torsemide since 2002 (Drugs@FDA).

FurosemideTorsemide
Labeled forHeart failure, High blood pressure, Edema (fluid retention)High blood pressure, Heart failure
Pharmacologic classLoop DiureticLoop Diuretic
How it works (label)n/aMicropuncture studies in animals have shown that torsemide acts from within the lumen of the thick ascending portion of the loop of Henle, where it inhibits the Na + /K + /2Cl – -carrier system.
Half-life (label)The terminal half-life of furosemide is approximately 2 hours.Elimination In normal subjects the elimination half-life of torsemide is approximately 3.5 hours.
Earliest approval on file (Drugs@FDA)July 1, 1966August 23, 1993
First generic approvedSeptember 26, 1985May 14, 2002
Generic labelers (NDC)52 labelers20 labelers
Pharmacy cost (NADAC, each one's most listed form; strengths differ)$0.490 per mL (Furosemide 20 mg/2 mL vial)$0.0636 per tablet (Torsemide 20 mg tablet)
12-month price change+31%-12%
Boxed warningNoNo
Shortage nowIn shortageNo current entry
Recalls recorded82
FAERS reports (a report is not proof of cause; counts follow how widely a medicine is used)398,35432,925
DEA schedulenonenone

Source: Drugs@FDA, FDA NDC Directory, CMS NADAC of October 7, 2026, FDA shortages and recalls, FAERS via openFDA (FDA files October 8, 2026)

What next?

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