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Feline Trichomonosis (T. blagburni)
Infectious DiseaseParasiteFelineNew
Key Points
  • Feline trichomonosis is a protozoal infection of the large intestine in cats, caused by Tritrichomonas blagburni (previously T. foetus)
  • Infection causes chronic or intermittent large intestinal diarrhoea
  • Most common in young (<1 year) cats or those in multi-cat environments
  • Affected cats typically remain systemically well with a normal appetite and body condition
  • Faecal PCR is the most sensitive and reliable test for diagnosis
  • Ronidazole is the only consistently effective treatment
  • Infection can persist for months-years and some cats become asymptomatic carriers
  • Prevention relies on good hygiene and litter tray management
Differential Diagnoses
  1. Giardiasis
  2. Chronic inflammatory enteropathies (CIE)
  3. Cryptosporidiosis
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 →