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Feline Chlamydiosis (C. felis)
Infectious DiseaseBacteriaFelineNew
Key Points
  • Feline chlamydiosis is a contagious bacterial disease of cats, caused by Chlamydia felis
  • C. felis is an obligate intracellular bacterium that primarily targets epithelial cells in the conjunctiva and upper respiratory tract
  • Infection commonly causes conjunctivitis and may also cause mild upper respiratory signs
  • PCR is the confirmatory test of choice
  • Doxycycline is the first-line treatment and a prolonged course of at least 4 weeks is required to clear infection
  • Hygiene, isolation and treatment of all cats in the household are required to prevent ongoing transmission and recurrence
Differential Diagnoses
  1. Feline herpesvirus (FHV-1)
  2. Feline calicivirus (FCV)
  3. Mycoplasma spp. conjunctivitis
  4. Ocular foreign body
  5. Allergic conjunctivitis
Overview
Aetiology
Clinical Signs
Diagnosis
Treatment
Prevention
Resources
Overview

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Aetiology

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Clinical Signs

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Diagnosis

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Treatment

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Prevention

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Resources

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Educational content only. This factsheet is for general veterinary education and is not a substitute for professional veterinary advice, diagnosis, or treatment. Not for use in an emergency — contact a veterinarian or emergency service. Full disclaimer →