Cheyletiella

Background

• Mites
• Live on dogs, cats, and rabbits, but can incidentally infect humans
  • On animals, usually on the backs and can cause dandruff-like scales ("walking dermatitis" or dorsal seborrhea sicca)
• Causes cheyletiellosis, or Cheylatiella dermatitis
• Can be asymptomatic
• Multiple erythematous pruritic papules on arms, trunk, and buttocks
• May have area of central necrosis
• Presents similar to scabies, but recurs despite treatment
• Diagnosis made based on diagnosis of pet (dorsal seborrhea sicca)