The efficacy of a novel topical spray composed of sodium benzoate, alcohol and botanical oils for the treatment of Malassezia dermatitis in dogs – a split body, randomised, blinded study
2022
Hoes, Nicole P. M. | Broek, Jan van den | Vroom, Margreet W.
BACKGROUND: Treatment of Malassezia pachydermatis dermatitis can be performed by systemic or topical route. As M. pachydermatis is located on the stratum corneum, topical therapy alone may be sufficient to resolve the infection. Owing to systemic antifungal resistance and adverse effects, topical treatment alone may improve treatment outcome. HYPOTHESIS/OBJECTIVES: To evaluate the efficacy of a topical spray composed of sodium benzoate, alcohol and botanical oils, compared to a shampoo containing 2% chlorhexidine gluconate and 2% miconazole nitrate for the treatment of Malassezia pachydermaitis dermatitis in dogs. ANIMALS: Sixteen client owned dogs diagnosed with symmetrical interdigital lesions as a result of secondary Malassezia dermatitis. METHODS: The study design was prospective, randomised and single‐blinded, using a split body protocol. Malassezia yeasts were determined by cytology at the inclusion day (day0) and after treatment (day14). All dogs were treated during 14 days with both shampoo at one paw and spray on the other paw. RESULTS: At day 14 a reduction of Malassezia dermatitis was shown at both paws. No statistical difference was demonstrated between treatment with shampoo or spray. CONCLUSIONS AND CLINICAL IMPORTANCE: We could not show a difference in efficacy between application of the test spray once daily and the topical use of 2%miconazole/2%chlorhexidine shampoo every other day. No adverse effects were reported.
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