Dermatite atópica canina: relato de caso

Abstract

Canine atopic dermatitis is a skin disease of genetic origin that occurs in response to a hypersensitivity reaction to environmental antigens, characterized by intense itching and self-induced, reddish lesions on the skin, which can lead to secondary infections. Some breeds are more affected; the diagnosis is most often presumptive and can be closed by means of specific allergic tests. Therapy can last for the life of the animal. A five-year-old male labrador dog was admitted to the veterinary hospital due to a severe skin condition where a physical examination, skin scraping and wood lamp were performed and a fur culture was requested in order to arrive at a diagnosis. conclusive. However, only the fur culture was positive for dermatophyte. Dermatophytosis treatment was performed with a shampoo based on: 2% chlorhexidine, 3% miconazole, feed change due to suspected hypersensitivity. food, use of ectoparasiticides for suspected Flea Bite Allergic Dermatitis and treatment with antibiotics (cephalexin) for the presence of secondary bacterial infection. Due to the persistence of dermatopathy, it was diagnosed as atopic to the exclusion of other suspicions.