Felis ISSN 2398-2950

Skin: demodectic mange

Synonym(s): Demodicosis

Contributor(s): Rosanna Marsella, David Scarff, David Godfrey

Introduction

  • CauseDemodex cati and/or Demodex gatoi Demodex cati Demodex gatoi.
  • Signs: variably pruritic dermatitis of the head and neck.
  • Diagnosis: skin scraping.
  • Treatment: fluralaner.
  • Prognosis: good for superficial mites.
  • Demodex cati may be associated with serious systemic disease.

Pathogenesis

Etiology

  • Species specific mites.
  • May be association of Demodex cati with underlying severe systemic disease.
  • Demodex gatoi is sometimes contagious between cats living in close proximity.  

Predisposing factors

General

Pathophysiology

  • Rare disease, caused by Demodex cati or, Demodex gatoi, short-bodied, blunt-ended Demodex species.
  • Folliculitis caused by Demodex cati.
  • Demodex cati inhabits hair follicles.
  • Demodex gatoi inhabits stratum corneum only.

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.
  • Matricoti I & Maina E (2017) The use of oral fluralaner for the treatment of feline generalized demodicosis: a case report. JSAP 58 (8), 476-479 PubMed.
  • Fourie J, Liebenberg J E, Horak I G et al (2015) Efficacy of orally administered fluralaner (Bravecto) or topically applied imidacloprid/moxidectin (Advocate) against generalized demodicosis in dogs. Parasit Vectors 8, 187 PubMed.
  • Saari S A M, Juuti K H, Palojärvi J H et al (2009) Demodex gatoi-associated contagious pruritic dermatosis in cats - a report from six households in Finland. Acta Vet Scand 51, 40 PubMed.
  • Desch C E Jr. & Stewart T B (1999) Demodex gatoi (new species of hair follicle mite -Acari Demodecidae) - from domestic cat (Carnivora: Felidae)​. J Med Entomol 36 (2), 167-170 PubMed.
  • Chesney C J (1989) Demodicosis in the cat. JSAP 30 (12), 689-95 VetMedResource.
  • Ackerman L (1984) Demodicosis in cats. Mod Vet Pract 65 (10), 751-752 PubMed.
  • Desch C & Nutting W B (1979) Demodex cati Hirst 1919 -a redescription. Cornell Vet 69 (3), 280-285 PubMed.

Other source

  • Miller W H Jr, Griffin C E & Campbell K L (2013) Feline demodicosis. In: Muller and Kirk's Small Animal Dermatology. 7th edition.W B Saunders, Philadelphia. pp 313-315 (Detailed dermatology textbook for in-depth reading.)


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