Use of lime sulphur and itraconazole to treat shelter cats naturally infected with Microsporum canis in an annex facility: an open field trial.

Dermatophytosis is the most common contagious and infectious skin disease of cats. It is of particular importance in animal shelters because it is a known zoonosis, highly contagious, and easily transmitted. In this open clinical trial, 58 cats with confirmed Microsporum canis dermatophytosis and 32 uninfected bonded pairs or littermates were treated with a combination of 21 days of oral itraconazole (10 mg kg(-1)) and twice weekly lime sulphur rinses until cured. Cats were not clipped in this treatment programme. Fungal cultures were obtained once weekly on all cats, and cats were considered cured when they had two consecutive negative weekly fungal cultures. Cats were held in the facility and received continued topical treatment until the fungal cultures were finalized. None of the cats developed oral ulcerations as a result of grooming the lime sulphur rinses. Oral ulcerations only developed in cats with clinical signs associated with upper respiratory disease. None of the uninfected cats living in contact with infected cats became culture positive or developed skin lesions. When data were examined retrospectively and the number of days to finalize the cultures was subtracted (21 days) from the total number of days the cats were housed in the annex, the mean number of days of treatment required for cure was 18.4 +/- 9.5 SEM (range 10-49 days). Cats with more severe infections required longer therapy. In this shelter, the combination of oral itraconazole and topical lime sulphur rinses for the treatment of dermatophytosis was effective and safe.
AuthorsSandra Newbury, Karen Moriello, Maria Verbrugge, Chet Thomas
JournalVeterinary dermatology (Vet Dermatol) Vol. 18 Issue 5 Pg. 324-31 (Oct 2007) ISSN: 0959-4493 [Print] England
PMID17845620 (Publication Type: Controlled Clinical Trial, Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Antifungal Agents
  • Calcium Compounds
  • Sulfides
  • Thiosulfates
  • calcium sulfide
  • Itraconazole
  • Administration, Oral
  • Animals
  • Antifungal Agents (administration & dosage, therapeutic use)
  • Baths
  • Calcium Compounds (administration & dosage, therapeutic use)
  • Cat Diseases (drug therapy, pathology)
  • Cats
  • Dermatomycoses (drug therapy, veterinary)
  • Drug Therapy, Combination
  • Female
  • Housing, Animal
  • Itraconazole (administration & dosage, therapeutic use)
  • Male
  • Microsporum
  • Sulfides (administration & dosage, therapeutic use)
  • Thiosulfates (administration & dosage, therapeutic use)
  • Treatment Outcome

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