Bacterial Pyoderma

Is MRSP in dogs or cats

Dogs

Is MRSA in dogs or cats

Cats

In general, is pyoderma primary or secondary?

Secondary to a primary event!

Most common site of pyoderma

Ventral abdomen

Lesions of superficial pyoderma

-papules

-pustules

-crusts

-HALLMARK = epidermal collarettes

Superficial pyoderma treatment duration

2-3 weeks, can stop treatment when it is gone

Lesions of deep pyoderma

Ulcers, hemorrhahge

Deep pyoderma treatment duration

4-6 weeks (AKA two weeks past resolution)

3 differentials for folliculitis

1. Bacteria

2. Demodex

3. Dermatophytes

3 differentials of collarettes

1. Bacteria

2. Non-follicular PF

3. Vasculitis

Gold standard diagnosis of pyoderma

Cytology! Do not have to necessarily see intracellular bacteria

What is you see gram + cocci?

It's staph!

What if you see rods?

It's usually a chronic lesion

Treatment of pyoderma

Treat the primary cause!!!

Superficial pyoderma treatment

Topical therapy is preferred!

Deep pyoderma treatment

Systemic antibiotics

What antibiotic do you always avoid in derm?

PENICILLIN! Right to jail

Patient risk factors that might have you reach for culture

-hospital visits/health care family

-previous antibiotic use