Humans aren't the only ones who suffer from skin conditions -
animals do, too. My new English setter's
name (Freckles) suited her for another reason besides her coloring. She often has red, acne-like bumps on her
underside. The veterinarian thought Freckles was
suffering from a bacterial infection. Freckles
was diagnosed with impetigo - a common form of pyoderma found in young puppies. When two rounds of antibiotics and keeping
the area dry (no playtime near water) didn't help, it became important to learn
more about this condition and how to take care of it.
Background
Back in December I brought home one of the puppies pictured
in my blog entry about whelping
boxes. At seven months old she's
much bigger than she was in those pictures!
Before it warms up and she starts to spend more time outdoors there is
something we need to work on - clearing up her case of impetigo.
Freckles' main symptom is the patch of pustules that appears
on her belly and between her hind legs.
It seems to be worse when she is stressed out, gets wet, or licks the
area. Wiping her with hydrogen peroxide
seems to be the best way to keep the pustules at bay.
Diagnosis and Causes
Pyoderma is a bacterial skin infection that literally means "pus
in the skin". The term covers several
types of superficial bacterial infections including impetigo. Pyodermas are common in dogs and especially
prevalent in English setters. One of the
causes is wetness; the English setter is a bird hunting breed that often spends
time in fields and swampy conditions.
Impetigo can cause the following signs and symptoms -
usually on areas of hairless skin:
- Inflammation
- Lesions, pustules, or papules
- Hair loss
- Crusty skin or redness
- Itchiness
It is detected through skin scrapings, fungal cultures, Wood's
lamp examinations, and bacterial cultures.
Examining smears of intact pustules is one way to determine
the extent of an infection. This can
determine if it is a fungal or bacterial infection. The type of infection helps determine the
appropriate course of treatment as some types (such as Staphylococcus
intermedius) are only helped by topical and oral antibiotics.
Treatment and Prevention
There are a few treatment options available including antibiotics
and regular cleaning. Freckles received
two antibiotic treatments - neither of which completely cleared up her
pustules.
There are other methods that can be used to help clear up
pustules:
- Special shampoos containing benzoyl
peroxide. The shampoo must sit for
several minutes before being rinsed off the animal. It's recommended to use this treatment
several times per week.
- Hydrogen peroxide wiped on the site can help dry
out the pustules. This is the method I
use on Freckles. When she has a bad "break-out"
we do this every day. For maintenance
she is wiped down every other day.
- Triple antibiotic ointment can help soothe the
irritation caused by pustules. Many dogs
will try to lick it off. After I apply
it to Freckles, she has to lie on the couch next to me and watch TV - this helps
it work if only for a little while.
- Keep the hair in the affected area short. Long hair allows the trapping of debris and
bacteria against the skin.
Resources:
Dog
Breeds - Common Skin Problems on your Dog
eHow
- Common Skin Problems in English Setters
medi-vet.com
- Canine Pyroderma
The
Merck Veterinary Manual - Pyoderma
Petside.com
- Superficial Pyoderma (Canine)
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