Successful treatment of atypical dermatitis case caused by demodex canis in an english pointer

In this case, the diagnosis and treatment of atypical dermatitis caused by Demodex canis was evaluated in a-5 year old English pointer. The disease defined as atypical dermatitis due to clinical, laboratory, bacteriological, parasitological and histopatological results. Demodex canis, beta-hemolytic Staphylococcus aureus and Microsporum canis were isolated and identified on the skin scrapings, biopsy specimens and swab. The dog was treated for 4 months, given bath of ketoconazole and benzoyl peroxide shampoo, twice in a week, ivermectin 0.6 mg/kg, SC, three days interval, cefaperazone-sulbactam (22 mg/kg, IM) daily for only 10 days and followed by cefquinom (2 mg/kg IM) daily for the rest of the treatment period of 3.5 months, and ketaconazole (10 mg/kg, PO,4 months) daily. As a result, atypical dermatitis caused by Demodex canis should be treated for longer duration with no complications and with successful outcome at 3 days interval.