It is not only necessary to recognize that the condition is an onychomycoses, but also to be able to identify the etiologic agent involved because for non-dermatophyte filamentous fungi recently described in Costa Ricaa priori prescription is not possible since some of these fungi, such as Fusarium, are resistant to imidazoles, while for others, such as Scytalidium dimidiatum, there is no efficient treatment.
Una complicación de las onicomicosis es su dificultad para el tratamiento, con una alta tasa de fracaso terapéutico, que puede oscilar entre el 20-50%.