ISSN 2398-2950      

Malassezia pachydermatis

ffelis

Synonym(s): Pityrosporum canis, M. pachydermatis, M. canis


Introduction

Classification

Taxonomy

  • Kingdom: Fungi- yeast.
  • Order: Cryptococcales.
  • Genus: Malassezia.

Active Forms

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Clinical Effects

Epidemiology

Transmission

  • Infection is probably endogenous from host's own commensal population.

Pathological effects

Other Host Effects

  • Usually commensal - skin and mucosal sites.

Control

Control via animal

  • Aeration and drainage of the ear (surgery may be necessary).
  • Control of parasites and intercurrent infection.
    Repeated use of antibiotics may allow yeast proliferation.

Control via chemotherapies

  • Topical antifungal treatment, eg nystatin Nystatin, natamycin Natamycin, miconazole Miconazole.
  • Skin disease:
    • Miconazole-chlorhexidine shampoo Miconazole - unlicensed in cats.
    • Oral ketoconazole (10 mg/kg PO for 21 days).
  • Otitis externa:
    • 1% pimaricin suspension - unlicensed in cats.
    • Miconazole suspension  Miconazole.
    • Clotrimazole suspension Clotrimazole.
  • The most effective OTC preparations are those containing either miconazole or clotrimazole.

Diagnosis

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Forster-Van Hijfte M A, Curtis C F, White R N (1997) Resolution of exfoliative dermatitis and Malassezia pachydermatis overgrowth in a cat after surgical thymoma resection. JSAP 38 (10), 451-454 PubMed.

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