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Classic impetigo ina glabrous region of skin on a puppy's abdomen[1]

Impetigo is a skin disease of dogs characterized by non-follicular bacterial micro abscessation[2].

This condition is usually seen in hairless areas, particularly in young puppies with juvenile pyoderma, and causes pus-filled blisters that may break and crust over.

Impetigo is also seen associated with pyoderma and pyotraumatic dermatitis (hot spots).

Impetigo involves only the superficial layers of the epidermis. The infection is just under the stratum corneum and is characterized by a non-follicular pustules.

A differential diagnosis would include intertrigo (skin-fold dermatitis) and folliculitis (infections of hair follicles associated with haired-skin.


  1. Health enemies
  2. Gortel K (2013) Recognizing pyoderma: more difficult than it may seem. Vet Clin North Am Small Anim Pract 43(1):1-18