Here we present three clinical cases of canine dermatophytosis resolved with topical propolis treatment that involved alopecia and well-demarcated erythematous lesions. These cases were positively identified by direct observation of samples from the affected zones with 10% KOH. Each sample was cultured, leading to the isolation of Microsporum gypseum in one case and Microsporum canis in the other two cases. The animals' subsequent treatment included bathing using a commercial soap with propolis every seven days for 3 to 8 weeks, as well as the use of a propoliscontaining ointment elaborated in our laboratory, which was applied to the lesions once a day for three weeks. From the second week of treatment, all cultures were negative. At the end of treatment, all cases displayed full recovery of the injuries and hair growth in these areas. In these clinical cases, treatment with propolis was effective, supporting the use of propolis as a promising natural alternative with no known collateral effects.

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Five horses with lesions compatible with dermatomycosis were selected and skin scrapings were taken from all affected areas. Samples were then treated with 10% KOH and observed by direct microscopic examination; fungal cultures using Mycobiotic Agar and Borelli Agar were also preformed; Trichophyton mentagrophytes was identified in two cases, whereas Candida albicans was identified in the other three. Skin lesions in cases 1 and 2 were treated topically with ketoconazol ointment, while in the remaining cases a weekly bath with propolis-based shampoo and application of propolis-based ointment on the lesions 2 to 3 times a week were implemented. Treatment in all cases lasted 4 weeks. Pictures were taken before and after treatment and, making use of the Image Pro-Express ® software, therapy efficacy was determined by measurement of lesion area diameter and a significant reduction in lesion size was observed by the end of the 4 weeks of treatment with ketoconazole and propolis-based products. Thus proving the effectiveness of such propolis-based products, making them a natural therapeutic alternative for the treatment of cutaneous mycoses in horses, and carrying none of the toxic side effects of conventional pharmaceuticals.