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Prescription medicine

Cefazolin First approved as Ancef

Cefazolin (Ancef) is a prescription medicine with an FDA approval on record since 1973. FDA's NDC Directory lists it from 15 generic labelers, and pharmacies paid $1.07 per cefazolin 1 g vial in the October 7, 2026 NADAC survey.

  • Generic listed

Check it at the source: the cefazolin FDA label on DailyMed (effective May 14, 2026, Hikma Pharmaceuticals USA Inc.); the NDA 50461 record on Drugs@FDA; every cefazolin label on DailyMed.

Highlights of the record

FDA label of May 14, 2026; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026; NADAC October 7, 2026

Used for

From the label: indications and usage

Cefazolin for Injection, USP is indicated in the treatment of the following serious infections due to susceptible organisms: Respiratory Tract Infections: Due to S.

Forms and strengths

  • 1 g
  • 2 g
  • 3 g
  • 10 g
  • 20 g
  • 100 g
  • 300 g
  • 500 mg
  • 1 g/50ml
  • 1 g/3ml
  • 2 g/50ml
  • 2 g/100ml

Injection (powder) for solution; powder for solution; injection (solution); solution; injection (powder) (lyophilized) for solution.

On the market

Earliest approval on file
October 4, 1973 Ancef, Glaxosmithkline; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
32 first November 2, 1973; 8 with a marketed status in Drugs@FDA
Labelers listed (NDC)
17 of which 15 under generic applications, 5 under brand applications, repackagers included

Supply and safety

Pharmacy cost (NADAC)
$1.07 per vial Cefazolin 1 g vial
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
10 since 2013 4 Class I among all firms' recalls; latest July 24, 2026; 5 more by firms not listed as its makers
FAERS reports
11,982 through July 30, 2026

What is cefazolin used for?

From the label: indications and usage

Cefazolin for Injection, USP is indicated in the treatment of the following serious infections due to susceptible organisms: Respiratory Tract Infections: Due to S. pneumoniae, Klebsiella species, H. influenzae, S. aureus (penicillin-sensitive and penicillin-resistant), and group A beta-hemolytic streptococci. Injectable benzathine penicillin is considered to be the drug of choice in treatment and prevention of streptococcal infections, including the prophylaxis of rheumatic fever. […]

Conditions named in the indications of cefazolin's FDA labels, with every medicine labeled for each:

From other cefazolin labels

Urinary tract infections: Urinary Tract Infections:

FDA pharmacologic class: Cephalosporin Antibacterial.

Source: FDA drug label (Cefazolin), Hikma Pharmaceuticals USA Inc., effective May 14, 2026 (SPL set 1dc9de56-e259-4546-a1db-23119a8a088e), via openFDA; the full label on DailyMed

Is there a generic for cefazolin (Ancef)?

The FDA approved the first generic cefazolin on November 2, 1973. 32 generic applications are approved; 8 of them carry a current (not discontinued) marketing status in Drugs@FDA; that status is not evidence that the generic is on sale.

FDA's NDC Directory lists cefazolin from 15 labelers under a generic (ANDA) application and from 5 brand labelers. A listing means the company has registered the product for sale; it does not show that every pharmacy stocks it.

  • 1973 earliest approval on file
  • 1973 first generic approved
  • red ticks recalls

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What do pharmacies pay for cefazolin (Ancef)?

In CMS's NADAC survey of October 7, 2026, pharmacies paid $1.07 per Cefazolin 1 g vial, up 10% from $0.971 on October 8, 2025. The chart's scale runs from the lowest to the highest price shown, not from zero. NADAC is what retail pharmacies paid their wholesalers, per unit, in CMS's monthly survey; what a patient pays depends on insurance and the pharmacy.

  • Cefazolin 1 g vial (generic)
$1.08
$0.955
May 2024October 2026
NADAC per unit, October 7, 2026
Strength and formBrand or genericPharmacy cost30 tablets, or one pen or vial12-month change
Cefazolin 1 g vialGeneric$1.07 per vialn/a+10%

Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price

Has cefazolin been recalled?

The FDA's Enforcement Report lists 15 recalls naming cefazolin since 2013: 4 Class I (the most serious), 11 Class II, 0 Class III; 2 still ongoing. 5 of them are by firms that FDA's NDC Directory does not list as a maker of cefazolin and that hold no application for it in Drugs@FDA, such as compounding pharmacies or bulk-ingredient suppliers; the recall notice names the product recalled. A recall names products and lots, not every product of the medicine.

StartedClassCompanyReason
July 24, 2026Class IBaxter Healthcare CorporationPresence of Particulate Matter
June 27, 2025Class ISandoz IncLabeling: Label Mix-Up; cartons of Cefazolin for Injection, USP 1 gram were found to contain vials labeled as penicillin G potassium for Injection, USP, 20 …
December 27, 2022Class IISentara Infusion Services not a listed makerLack of sterility assurance
April 13, 2022Class IIMckesson Medical-Surgical Inc. Corporate OfficecGMP deviations: Temperature abuse
September 17, 2021Class IIIntegraDose Compounding Services LLC not a listed makerLack of sterility assurance.
March 15, 2021Class IICardinal Health Inc.CGMP Deviations: Intermittent exposure to temperature excursion during storage.
July 14, 2017Class IISCA PharmaceuticalsLack of Assurance of Sterility: Product made with recalled 0.9% sodium chloride bags which have the potential to leak.
February 12, 2016Class IIWalter's Pharmacy not a listed makerLack of Assurance of Sterility

Source: FDA Enforcement Report (drug recalls) via openFDA, through October 8, 2026

What does the cefazolin label say about other medicines?

The cefazolin label names 2 other medicines in its interaction, contraindication or warning sections. The labels of 3 other medicines name cefazolin. The sentences are the labels' own; a label lists what its studies and reports found, not every interaction.

Medicine namedSectionWhat the label says
EpinephrinewarningsSERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, IV FLUIDS, IV ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED.
Probeneciddrug interactionsDrug Interactions Probenecid may decrease renal tubular secretion of cephalosporins when used concurrently, resulting in increased and more prolonged cephalosporin blood levels.

Other labels that name cefazolin

Check cefazolin against other medicines

Source: FDA drug label (Cefazolin), Hikma Pharmaceuticals USA Inc., effective May 14, 2026 (SPL set 1dc9de56-e259-4546-a1db-23119a8a088e), via openFDA; the full label on DailyMed

What do FAERS reports show for cefazolin?

The FDA Adverse Event Reporting System holds 11,982 reports that list cefazolin among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 1,387 are coded as a death and 6,057 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

Reports received each year

The most reported reactions

  • Hypotension702
  • Drug Ineffective (a use or a product term, not a reaction)668
  • Anaphylactic Reaction644
  • Anaphylactic Shock601
  • Rash (named in the label)592
  • Pyrexia513
  • Renal Failure (named in the label)488
  • Acute Kidney Injury432

Side effects: the label's list and every FAERS reaction

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

How does cefazolin compare with medicines for the same use?

5 side-by-side pages set cefazolin beside a medicine whose label shares a use: approvals, generics, pharmacy cost, warnings and supply.

What next?

Other cephalosporins
the pharmacologic class, with prices and generics
Cefazolin side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other