Peer-reviewed veterinary case report
Giardia infection in cats causes diarrhea and weight loss
By Gruffydd-Jones, Tim et al.·Published in Journal of feline medicine and surgery·2013·European Advisory Board on Cat Diseases. Tim.Gruffydd-Jones@bristol.ac.uk, United Kingdom·View original on PubMed →
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Original publication title: Giardiasis in cats: ABCD guidelines on prevention and management.
- Species:
- cat
Plain-English summary
A young cat from a multi-cat household was brought in for diarrhea and weight loss. The veterinarian diagnosed giardiasis, a parasitic infection affecting the small intestine, using a fecal test. Treatment involved medications called fenbendazole or metronidazole, which are effective against the parasite. While the infection was cleared, the cat continued to have diarrhea for a while as the gut healed. With time and proper care, the cat's condition improved.
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Abstract
OVERVIEW: Giardia is a protozoan parasite that infects the small intestine of cats and can cause diarrhoea. The biotypes that affect cats do not appear to infect humans. Infection is most common in young cats, particularly from multicat backgrounds. DISEASE SIGNS: Infected cats that develop clinical signs show small intestinal diarrhoea and there may be associated weight loss. DIAGNOSIS: Diagnosis of infection is usually based on an in-practice ELISA for faecal antigen or zinc sulphate flotation of several pooled faecal samples. Polymerase chain reaction (PCR) tests are available but not used so widely. Infection can be detected in clinically healthy cats so interpretation of a positive result in cats with diarrhoea requires care. TREATMENT: Fenbendazole or metronidazole are regarded as the treatments of choice. Secondary gut changes may be slow to resolve and so diarrhoea may continue for some time after infection has been eliminated.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23813834/