Pediculosis

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Sections available in full article Introduction, Presenting signs, Age predisposition, Pathogenesis, Etiology, Predisposing factors, Pathophysiology, Epidemiology (population dynamics), Diagnosis, Presenting problems, Client history, Clinical signs, Differential diagnosis, Treatment, Standard treatment, Prevention, Control, Sequelae, Prognosis, Reasons for treatment failure, Sources, Publications, Vetstream contributor(s),
Contributors Dr Rosanna Marsella DVM DipACVD
Mr David Scarff BVetMed CertSAD MRCVS
Synonyms Felicola subrostratus infestation

Introduction

  • Cause : infestation with biting louse Felicola subrostratus associated with poor husbandry.
  • Signs : pruritus, scale.
  • Treatment : most antiparasitic agents are effective.

Diagnosis

Clinical signs

  • Lice visible with naked eye  Pediculosis  .
  • White eggs visible on hair shafts.
  • Variable pruritus.
  • Alopecia  Alopecia: overview  .
  • Scaling.
  • Excoriation of pinnal margins.
  • Seborrhea  Primary seborrhea  .

Diagnosis

Differential diagnosis

  • Causes of pruritus.
  • Causes of scale.

Sequelae

Prognosis

  • Excellent.

Reasons for treatment failure

  • Reinfestation from environment or in-contact dogs and cats.

Sources

Publications

Refereed papers

  • Grant D I (1985)Notes on parasitic skin disease in the dog and cat.Br Vet J141(5), 447-462.
  • Hewitt Met al(1981)The therapy of parasitic skin infestations.Clin Exp Dermatol6(5), 527-531.

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