Human dermatology and veterinary dermatology, while historically regarded as separate medical fields, are deeply intertwined through common biological principles, disease mechanisms, and treatment strategies. The skin, being the largest organ in both humans and animals, acts as the primary barrier against environmental threats, infectious agents, and allergens. Therefore, gaining insights into skin diseases in animals not only enhances animal health and welfare but also offers significant understanding of human dermatological issues. This interrelation is fundamental to the “One Health” concept, which highlights the interconnectedness of human, animal, and environmental health. A notable illustration of this relationship is found in allergic skin disorders. Canine atopic dermatitis closely resembles human atopic eczema in terms of its genetic foundation, immunopathogenesis, and clinical manifestations. Both ailments are characterized by a compromised skin barrier and an overactive immune response to environmental allergens such as pollen, dust mites, and specific food ingredients. Dogs afflicted with atopic dermatitis frequently display symptoms of itching, redness, and recurrent infections—symptoms that are remarkably similar to those seen in affected humans. Due to these parallels, dogs are considered valuable natural models for investigating allergic skin diseases, aiding in the advancement of innovative treatments such as targeted immunomodulators and biologics.

Parasitic and infectious skin diseases further exemplify the intersection of veterinary and human dermatology. Scabies, which is caused by mite infestation, serves as a........

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