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Abstract
Dermatophytosis is a superficial mycotic infection of keratinized tissues such as hair, nails, and the stratum corneum of the epidermis. In dogs and cats, this disease is commonly caused by dermatophyte fungi of the genera Microsporum, Nannizzia, and Trichophyton, that can affect any patient, with puppies, and elderly, and immunocompromised animals being the most prone. Although it is a highly contagious disease, its mortality is low and in some cases, there can be spontaneous remission. It is estimated that it affects about 4-15% of canines and 20% of felines, being the most common fungal infection in the mentioned species. In addition, dermatophytosis is an anthropozoonosis that affects about 40% of the human population and is widespread in urban centers. It is known that dogs and cats are important carriers of the disease and that both symptomatic and asymptomatic animals are capable of transmitting the agents to each other and humans. Asymptomatic carriers are of great importance for the dissemination of the zoonosis, due to the lack of information and the fact that they do not present lesions, which increases the risks of exposure due to the close contact between tutors and their animals.
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