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Ciprofloxacin Ophthalmic

Prescription
Ophthalmic Fluoroquinolone Antibiotic
Last reviewed 22 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
1 available
Formulations
2

Mechanism of action

Inhibits bacterial DNA gyrase and topoisomerase IV. Bactericidal with broad gram-negative and moderate gram-positive activity. Good corneal penetration. Forms white crystalline precipitate on corneal surface at high concentrations (harmless, dissolves).

At a glance

Class
Ophthalmic Fluoroquinolone Antibiotic
Schedule
Prescription
Storage
Store at room temperature; discard 28 days after opening

Dosing

🐕

Dog

Used for bacterial keratitis and conjunctivitis
Dose
Route
Ophthalmic
Frequency
q2–6h depending on severity
🐈

Cat

Effective for bacterial conjunctivitis
Dose
Route
Ophthalmic
Frequency
q4–6h
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

Store at room temperature; discard 28 days after opening

Safety

Monitoring parameters

Corneal healingPrecipitate formation (document, reassure owner)Culture response
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

Ciloxan
Alcon

FAQs

Frequently asked questions

What is Ciprofloxacin Ophthalmic?
Ciprofloxacin Ophthalmic is a ophthalmic fluoroquinolone antibiotic used in pets. Inhibits bacterial DNA gyrase and topoisomerase IV. Bactericidal with broad gram-negative and moderate gram-positive activity. Good corneal penetration. Forms white crystalline precipitate on corneal surface at high concentrations (harmless, dissolves).
What is Ciprofloxacin Ophthalmic used for in pets?
Ciprofloxacin Ophthalmic is used in veterinary medicine for: Used for bacterial keratitis and conjunctivitis; Effective for bacterial conjunctivitis.
What is the Ciprofloxacin Ophthalmic dose for dogs?
For dogs, Ciprofloxacin Ophthalmic is typically dosed as follows — Used for bacterial keratitis and conjunctivitis: undefined undefined Ophthalmic q2–6h depending on severity. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Ciprofloxacin Ophthalmic dose for cats?
For cats, Ciprofloxacin Ophthalmic is typically dosed as follows — Effective for bacterial conjunctivitis: undefined undefined Ophthalmic q4–6h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Ciprofloxacin Ophthalmic need a prescription?
Yes. Ciprofloxacin Ophthalmic 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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