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Two medicines, side by side

Ertapenem vs cefepime

Ertapenem and cefepime are both labeled for urinary tract infections. Drugs@FDA records approvals of ertapenem since 2001 and of cefepime since 1996. In FDA's classes, ertapenem is a penem antibacterial and cefepime a cephalosporin antibacterial.

Check it at the source: the ertapenem FDA label on DailyMed (effective February 4, 2026); the cefepime FDA label on DailyMed (effective November 15, 2021).

Highlights of the ertapenem record

Ertapenem (Invanz) · label of February 4, 2026

Used for

From the label: indications

INVANZ is a penem antibacterial indicated in adult patients and pediatric patients (3 months of age and older) for the treatment of the following moderate to severe infections caused by susceptible bacteria: Complicated intra-abdominal infections. ( 1.1 ) Complicated skin and skin structure infections, including diabetic foot infections without osteomyelitis. ( 1.2 ) Community-acquired pneumonia. […]

On the market

Earliest approval on file
November 21, 2001
Generic labelers
15 labelers
Pharmacy cost
$26.63 per vial

Supply and safety

Shortage
No current entry
Recalls
0

Highlights of the cefepime record

Cefepime (Maxipime) · label of November 15, 2021

Used for

From the label: indications

Cefepime for Injection is a cephalosporin antibacterial indicated for the treatment of the following infections caused by susceptible strains of the designated microorganisms: •Pneumonia. ( 1.1 ) •Empiric therapy for febrile neutropenic patients. ( 1.2 ) •Uncomplicated and complicated urinary tract infections (including pyelonephritis). ( 1.3 ) •Uncomplicated skin and skin structure infections. […]

On the market

Earliest approval on file
January 18, 1996
Generic labelers
8 labelers
Pharmacy cost
Not in the survey

Supply and safety

Shortage
A presentation being discontinued
Recalls
10

Source: FDA drug labels via openFDA (Ertapenem label of February 4, 2026, Cefepime label of November 15, 2021); NDC Directory, Drugs@FDA, NADAC, FDA shortages and recalls (October 8, 2026)

How do ertapenem and cefepime differ on the record?

In FDA's classes, ertapenem is a penem antibacterial and cefepime a cephalosporin antibacterial.

How each works, in its label's words: Ertapenem, “Ertapenem sodium is a carbapenem antibiotic [see Clinical Pharmacology (12.4) ].”; Cefepime, “Cefepime is a cephalosporin antibacterial drug [ See Microbiology (12.4) ].”

Generics: ertapenem since 2018; cefepime since 2007 (Drugs@FDA).

ErtapenemCefepime
Labeled forUrinary tract infectionsUrinary tract infections
Pharmacologic classPenem AntibacterialCephalosporin Antibacterial
How it works (label)Ertapenem sodium is a carbapenem antibiotic [see Clinical Pharmacology (12.4) ].Cefepime is a cephalosporin antibacterial drug [ See Microbiology (12.4) ].
Half-life (label)The mean plasma half-life in healthy young adults is approximately 4 hours and the plasma clearance is approximately 1.8 L/hour.n/a
Earliest approval on file (Drugs@FDA)November 21, 2001January 18, 1996
First generic approvedApril 16, 2018June 18, 2007
Generic labelers (NDC)15 labelers8 labelers
Pharmacy cost (NADAC, each one's most listed form; strengths differ)$26.63 per vial (Ertapenem 1 gram vial)n/a
12-month price change-19%n/a
Boxed warningNoNo
Shortage nowNo current entryA presentation being discontinued
Recalls recorded010
FAERS reports (a report is not proof of cause; counts follow how widely a medicine is used)7,33916,018
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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