Skin Diseases with Pus Drainage in Cats
This table lists diseases in which the predominant sign is skin infection or
pyoderma on or beneath the skin. Pyoderma is characterized by pus, infected
sores, scabs, ulcers of the skin, papules, pustules, furuncles, boils, and skin
abscesses. Some cases are caused by self-mutilation and are late consequences
of scratching and biting. Other pyodermas are specific skin diseases that occur
- Candidiasis (thrush): Moist white plaques that bleed easily when rubbed.
Most common on mucous membranes.
Cellulitis or abscess: Painful, hot, inflamed
skin or pockets of pus beneath the skin. Often caused by self-mutilation. Look
for an underlying cause, such as an itchy skin disorder, foreign
body, or bite or puncture wound.
- Feline acne: Pimplelike bumps on the
underside of the chin and edges of the lips. May be associated with plastic or
rubber food and water dishes.
- Impetigo: Pustules on the abdomen and hairless skin of young kittens.
- Mosquito bite hypersensitivity: Crusty sores with erosions and scabs over
the bridge of the nose and tips of the ears.