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Ceftiofur Sodium

Prescription
Third-Generation Cephalosporin (Veterinary)
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
2 available
Formulations
1

Mechanism of action

Veterinary-specific third-generation cephalosporin with broad gram-negative spectrum including Pasteurella, E. coli, Salmonella, and Klebsiella. Active metabolite desfuroylceftiofur retains antibacterial activity. FDA-approved for dogs.

At a glance

Class
Third-Generation Cephalosporin (Veterinary)
Schedule
Prescription
Storage
Powder at room temperature; reconstituted refrigerated, use within 12h (Naxcel) or 7 days (Excenel)

Dosing

🐕

Dog

FDA-approved for canine UTIs caused by susceptible E
Dose
2.2 mg/kg
Route
SQ
Frequency
q24h
🐈

Cat

Off-label for feline infections
Dose
2.2 mg/kg
Route
SQ
Frequency
q24h
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Formulations

💊

Other — 1

Strength

Storage

Powder at room temperature; reconstituted refrigerated, use within 12h (Naxcel) or 7 days (Excenel)

Safety

Monitoring parameters

Culture and sensitivityClinical responseInjection site
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Interactions

No documented interactions.

Brands

Other markets

Naxcel
Excenel

FAQs

Frequently asked questions

What is Ceftiofur Sodium?
Ceftiofur Sodium is a third-generation cephalosporin (veterinary) used in pets. Veterinary-specific third-generation cephalosporin with broad gram-negative spectrum including Pasteurella, E. coli, Salmonella, and Klebsiella. Active metabolite desfuroylceftiofur retains antibacterial activity. FDA-approved for dogs.
What is Ceftiofur Sodium used for in pets?
Ceftiofur Sodium is used in veterinary medicine for: FDA-approved for canine UTIs caused by susceptible E; Off-label for feline infections.
What is the Ceftiofur Sodium dose for dogs?
For dogs, Ceftiofur Sodium is typically dosed as follows — FDA-approved for canine UTIs caused by susceptible E: 2.2 mg/kg SQ q24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Ceftiofur Sodium dose for cats?
For cats, Ceftiofur Sodium is typically dosed as follows — Off-label for feline infections: 2.2 mg/kg SQ q24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Ceftiofur Sodium need a prescription?
Yes. Ceftiofur Sodium is a prescription medication and should only be administered under veterinary supervision.
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

References

CDSCO approvals (India) — 6

Ceftiofur Sodium Inj
M/s Aurobindo Pharma · Approved 08.10.2002
For treatment of bovine respiratory diease acute bovine interdigital necrobacillosis, bacterial respiratory disease in s
Ceftiofur hcl liquid sterile suspension
M/s Aurobindo Pharma · Approved 08.10.2002
For treatment and control of swine and bovine bacterial respiratory disease
Ceftiofur sod. Inj
M/s Alembic Limited · Approved 12.10.2004
Additional lower strenght.
Ceftiofur Crystalline free acid suspension equi to Ceftiofur--- 200 mg vet
M/s Pfizer Ltd, Mumbai · Approved 01.10.2008
For treatment of bovine respiratory Disease BRD shipping fever pneumonia associated with Mannheimia Haemolytica Pasteure
Ceftiofur HCI Suspension as HCI salt ---500 mg vet
M/s Pfizer Ltd, Mumbai · Approved 01.10.2008
For treatment of clinical mastitis in lactating dairy cattle associated with coagulase-negative staphylococci, Streptoco
Ceftiofur HCI Suspension as HCI salt ---125 mg vet
M/s Pfizer Ltd, Mumbai · Approved 01.10.2008
For treatment of clinical mastitis in lactating dairy cattle associated with coagulase-negative staphylococci, Streptoco
Source: CDSCO Veterinary Drug Approval Registry (1969–2026)

References

The PetCare.AI drug reference is built from 13 authoritative sources cited across 580 drug monographs.

Textbooks & handbooks — 5

  • Plumb's Veterinary Drug Handbook
  • Withrow & MacEwen's Small Animal Clinical Oncology
  • Merck Veterinary Manual
  • NRC Nutrient Requirements of Dogs and Cats
  • Veterinary Pharmacology and Therapeutics (Riviere & Papich)

Clinical guidelines & consensus — 4

  • ASPCA Animal Poison Control Center Guidelines
  • AAHA Diabetes Management Guidelines
  • ASPCA Poison Control Guidelines
  • RECOVER CPR Guidelines

Journals & peer-reviewed studies — 2

  • EPIC Study (J Vet Intern Med 2016)
  • JVIM FAT CAT Study

Regulatory & approvals — 1

  • CDSCO Veterinary Drug Approval Registry (1969–2026)

Databases — 1

  • Washington State University VCPL MDR1 Database

Related medicines

Other medicines in the same class (Third-Generation Cephalosporin).

Cefixime
Rx
Inhibits bacterial cell wall synthesis by binding PBPs. Third-generation spectrum covers most gram-negative bacteria; less activity against gram-positive than first/second generation. Well absorbed orally.
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Ceftazidime
Rx
Extended-spectrum cephalosporin with exceptional activity against Pseudomonas aeruginosa and most gram-negative bacilli. Stable against many beta-lactamases.
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