Thehorse.com - Full Article
By Anthony Yu, DVM, MS, Dipl. ACVD
Dec 16, 2014
Scratches, or equine pastern dermatitis (EPD), is not a disease but, rather, a cutaneous reaction pattern. Veterinarians and owners must address the primary, predisposing, and perpetuating causative factors for a successful outcome. Note that treating the predisposing and perpetuating factors is just as important as addressing the primary cause.
Clinical Signs and Pathogenesis
Scratches can affect any breed, but is most prevalent in draft horses due to long pastern hair (“feathers”). It most commonly affects the rear aspect of the hind pasterns and especially nonpigmented skin...
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