ABSTRACT

Lesions are noted more frequently during hot, humid weather. Animals are presented because they are persistently licking or scratching a particular area, which can vary in size and is generally sharply demarcated. The areas most commonly involved are the dorsal and dorsolateral lumbosacral region and the periaural region1. Affected skin is erythematous, moist, and, in the majority of cases, exudative (1-3). The typical lesion will evidence alopecia or thinning of the hair. However, hair may still cover the lesion if it is detected early or if it is in a location that is difficult to lick or scratch. Excoriations are occasionally present due to licking or scratching. The surrounding skin should be checked carefully for satellite lesions including superficial folliculitis and, less commonly, deep pyoderma with draining sinus tracts.