ISSN 2398-2950      

Giardiasis

ffelis

Synonym(s): Giardia felis


Introduction

  • Cause: protozoan parasite of small intestine.
  • Signs: diarrhea.
  • Diagnosis: fecal examination by various tests.
  • Treatment: metronidazole, furazolidone or fenbendazole (currently there is no licensed claim for Giardia in cats).
  • Prognosis: good.
    Print off the owner factsheet on Giardiasis Giardiasis to give to your client.

Pathogenesis

Etiology

  • Flagellate protozoan parasite infection (Giardia felis Giardia felis or Giardia spp Giardia spp).
  • Prevalence of infection low 1-11% in healthy cats.

Pathophysiology

  • Trophozoites inhibit lipolysis by lipase and damage brush border of intestine   →   digestive impairment.
  • Infection by ingestion of cysts shed from other infected animals.

Timecourse

  • Intermittent diarrhea - months to years.

Diagnosis

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Treatment

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Prevention

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Gruffydd-Jones T, Addie D, Belák S et al (2013) Giardiasis in cats: ABCD guidelines on prevention and management. J Feline Med Surg 15 (7), 650-652 PubMed.
  • Da Silva A S, Castro V S, Tonin A A et al (2011) Secnidazole for the treatment of giardiasis in naturally infected cats. Parasitol Int 60 (4), 429-432 PubMed.
  • Rosadi T W, Specht A, Marks S L (2007) Neurotoxicosis in 4 cats receiving ronidazole. JVIM 21 (2), 328-331 PubMed.
  • Gookin J L, Copple C N, Papich M G et al (2006) Efficacy of ronidazole for treatment of felineTritrichomonas foetus infection. JVIM 20 (3), 536-543 PubMed.
  • Scorza A V, Radecki S V & Lappin M R (2006) Efficacy of a combination of febantel, pyrantel, and praziquantel for the treatment of kittens experimentally infected with Giardia species. J Feline Med Surg (1), 7-13 PubMed.
  • Scorza A V & Lappin M R (2004) Metronidazole for the treatment of feline giardiasis. J Feline Med Surg (3), 157-160 PubMed.
  • Stokol T, Randolph J F, Nachbar S et al (1997) Development of bone marrow toxicosis after albendazole administration in a dog and cat. JAVMA 210 (12), 1753-1756 PubMed.

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