Dystrophic epidermolysis bullosa (DEB) is a hereditary skin disease affecting dogs. Clinical signs of DEB are present at birth. Affected dogs have fragile skin that is easily damaged from rubbing or trauma resulting in blisters, ulcers and scarring of the skin. Areas that are most prone to blisters are the face, foot pads, genital areas and ears. In addition, affected dogs will develop blisters and ulcers inside the mouth and in the esophagus. Ulcerations of the skin and mucous membranes are painful and can become infected. Blistering of the skin tends to cease at around 8 months of age however, ulcers of the mouth and esophagus persist into adulthood. Dogs with DEB are often smaller than littermates, likely due to difficulties eating.

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