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Amoxicillin/Clavulanate

Prescription
Beta-Lactam / Beta-Lactamase Inhibitor Combination
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
3 available
Formulations
2

Mechanism of action

Amoxicillin inhibits bacterial cell wall synthesis by binding PBPs. Clavulanate irreversibly inhibits bacterial beta-lactamases, protecting amoxicillin from enzymatic degradation and extending spectrum to beta-lactamase-producing organisms.

At a glance

Class
Beta-Lactam / Beta-Lactamase Inhibitor Combination
Schedule
Prescription
Storage
Tablets at room temperature; oral drops refrigerated after reconstitution, discard after 10 days

Dosing

🐕

Dog

First-line empiric antibiotic for skin infections, UTIs, bite wounds, and respir
Dose
12.5–25 mg/kg
Route
PO
Frequency
q12h
🐈

Cat

First-line for feline UTI, skin infections, bite wound abscesses, and upper resp
Dose
12.5 mg/kg
Route
PO
Frequency
q12h
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 — 2

Strength
Strength

Storage

Tablets at room temperature; oral drops refrigerated after reconstitution, discard after 10 days

Safety

Monitoring parameters

Clinical response at 3–5 daysGI toleranceCulture and sensitivity for refractory cases
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

Clavamox
Augmentin
Synulox

FAQs

Frequently asked questions

What is Amoxicillin/Clavulanate?
Amoxicillin/Clavulanate is a beta-lactam / beta-lactamase inhibitor combination used in pets. Amoxicillin inhibits bacterial cell wall synthesis by binding PBPs. Clavulanate irreversibly inhibits bacterial beta-lactamases, protecting amoxicillin from enzymatic degradation and extending spectrum to beta-lactamase-producing organisms.
What is Amoxicillin/Clavulanate used for in pets?
Amoxicillin/Clavulanate is used in veterinary medicine for: First-line empiric antibiotic for skin infections, UTIs, bite wounds, and respir; First-line for feline UTI, skin infections, bite wound abscesses, and upper resp.
What is the Amoxicillin/Clavulanate dose for dogs?
For dogs, Amoxicillin/Clavulanate is typically dosed as follows — First-line empiric antibiotic for skin infections, UTIs, bite wounds, and respir: 12.5–25 mg/kg PO q12h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Amoxicillin/Clavulanate dose for cats?
For cats, Amoxicillin/Clavulanate is typically dosed as follows — First-line for feline UTI, skin infections, bite wound abscesses, and upper resp: 12.5 mg/kg PO q12h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Amoxicillin/Clavulanate need a prescription?
Yes. Amoxicillin/Clavulanate 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

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
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