Use of itraconazole and either lime sulphur or Malaseb Concentrate Rinse ® to treat shelter cats naturally infected with Microsporum canis: an open field trial.

In an open non-randomized study, 90 cats with severe dermatophytosis were treated with 21 days of oral itraconazole at 10 mg/kg and one of three topical antifungal rinses applied twice weekly: lime sulphur (LSO); reformulated lime sulphur with an odour-masking agent (LSR); or a 0.2% miconazole nitrate and 0.2% chlorhexidine gluconate rinse (MC). Weekly examinations and fungal cultures were used to monitor the cats' response to therapy. If at day 42 of treatment cats were still strongly fungal culture positive and/or developing new lesions, they were retreated with oral itraconazole and LSO. Cats were not prevented from licking the solutions and none developed oral ulcerations. Thirty-one cats were treated with LSO, 27 with LSR and 32 with MC. The median number of days to cure was 30 (range 10-69 days) and 34 (range 23-80 days) for LSO and LSR, respectively. Thirty-two cats were treated with MC, and 13 of 32 cats required repeat treatment because of persistent culture-positive status and development of new lesions. Median number of days of treatment for the 19 cats that cured with MC was 48 (range 14-93 days). When the number of days to cure was compared between the groups, there was a significant difference between cats treated with LSO and LSR (P=0.029) and cats treated with LSO and MC (P=0.031), but no significant difference between the number of days to cure for cats treated with LSR and MC (P=0.91).
AuthorsSandra Newbury, Karen A Moriello, Kenneth W Kwochka, Maria Verbrugge, Chester Thomas
JournalVeterinary dermatology (Vet Dermatol) Vol. 22 Issue 1 Pg. 75-9 (Feb 2011) ISSN: 1365-3164 [Electronic] England
PMID20604908 (Publication Type: Clinical Trial, Journal Article)
Copyright© 2010 The Authors. Journal compilation © 2010 ESVD and ACVD.
Chemical References
  • Antifungal Agents
  • Calcium Compounds
  • Sulfides
  • Thiosulfates
  • calcium sulfide
  • Itraconazole
  • Miconazole
  • Chlorhexidine
  • Animals
  • Antifungal Agents (administration & dosage, therapeutic use)
  • Calcium Compounds (administration & dosage, therapeutic use)
  • Cat Diseases (drug therapy)
  • Cats
  • Chlorhexidine (administration & dosage, therapeutic use)
  • Dermatomycoses (drug therapy, veterinary)
  • Drug Administration Schedule
  • Drug Therapy, Combination
  • Housing, Animal
  • Itraconazole (administration & dosage, therapeutic use)
  • Miconazole (administration & dosage, therapeutic use)
  • Microsporum
  • Sulfides (administration & dosage, therapeutic use)
  • Thiosulfates (administration & dosage, therapeutic use)

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