Epidermal Collarette Dog Disease: Facts & Treatment

Epidermal collarette dog disease forms around the edges of areas where hair is thinning. These collarettes are more a sign than a disease.

Dogs are the only species that we have worked with who seem to be predisposed towards bacterial infections of the skin. Due to their basic structural characteristics, dogs are more susceptible to skin infections.

When systemic antibiotics are required, be aggressive and use the correct dose of the antibiotics until the pyoderma has completely cleared.

Combining systemic antibiotics and topical treatment is always recommended. Do you want to find out more? keep reading fam!


How Do I Describe the Epidermal Collarette Dog Disease?

The epidermal collarettes are circular lesions that have scaly edges. They are most commonly found on the abdomen, but they can occur anywhere on an animal’s body.

Epidermal collarettes form around the edges of areas where hair is thinning. These collarettes are more a sign than a disease.

The epidermal collarettes are not treated by your vet, but rather the pyoderma.


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What are the Signs of Epidermal Collarettes Dog Disease?

Epidermal Collarette Dog
Epidermal Collarette Dog Can Cause Constant Itching
  • Constant itching
  • Secondary bacterial infections
  • Hair loss
  • Foul odour


How Do I Treat Epidermal Collarettes Dog Disease?

Your vet will make a diagnosis on the basis of your dog’s appearance and symptoms. She may take a sample from the epidermal collarette, or other lesions to determine the type of infection.

Treatment includes:

  • Oral and topical antibiotic therapy. Topical antibiotic ointment can be applied to epidermal collarettes, lesions and other areas.
  • If you have a vet, he or she will probably prescribe medicated shampoos and more frequent baths. This is to reduce bacteria and odour.


How Do I Describe Canine Pyoderma In Dogs?

Unfortunately, epidermal collarette dog disease is usually found in dogs with superficial pyoderma. Staphylococcus intermediaris is the usual culprit in superficial pyoderma.

Pyoderma is classified in a variety of ways. However, determining the type of treatment and the duration can be determined by assessing the depth of the skin affected.


In What Ways Does Canine Pyoderma Manifest In Dogs?

  • Surface Pyodermas: are bacterial infections that affect only the skin’s surface. These bacteria cause inflammation by producing toxins. Fold pyodermas are the best example. They can occur on the face, lips or tail.
    • Pyodermas superficiales: are bacterial infections which present below the stratum Corneum of the epidermis. They include impetigo, folliculitis, and bacterial growth syndrome.
    • Impetigo impetigo: is a subcorneal, pustular infection that is commonly seen on the abdomens of puppies. It may or may not be irritable, but it is usually self-limiting.
    • Bacterial Folliculitis: is the most common form of pyoderma in dogs. There are many different clinical forms. The features may be specific to each dog breed.
      The first form is called a follicular pustule. As bacteria spread into the surrounding hair follicles, the lesion advances.
      The epidermal collarette is a classic lesion, which is characterized by a circular hair loss area with variable redness and crusting as well as hyperpigmentation.
      The lesions can be pruritic or not. However, pruritus in atopic animals is often quite intense, and pyoderma plays a role in aggravating itching.
    • Bacterial Overgrowth Syndrome: this is an overgrowth of S pseudointermedius, which causes erythema and pruritus. It also has a malodor.


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How Do I Treat Canine Pyoderma in Dogs?

  • Clear Tape
  • Direct Impression Smears: Can be obtained by drying moist lesions or pustule exudate and staining.
  • Cytology: This helps differentiate pyoderma, which can mimic or coexist with other skin diseases, such as pemphigus.


How Do I Treat Canine Pyoderma in Dogs Based on the Type?

  • Surface Infections: is often treated best topically. The moisture and inclusiveness of the folds make them prone to recurrence.
    In some cases, surgical excision can cure vulvar and tail fold pyodermas in English bulldogs.
  • Superficial Pyodermas: is often treated with topical treatment (which I prefer to systemic antibiotics administration, in my opinion), however frequent bathing (every day or every other day) is necessary.
    The use of leave-on conditioners and sprays as well as wipes or mousses between baths can reduce the frequency of bathing.
    Topical treatment seems to accelerate the recovery rate, and we suspect that topical therapy can reduce the time required for a dog to take systemic antibiotics.
  • Deep Pyodermas: require extended (multiple weeks) antibiotic treatment. Topical therapy is an important tool for the recovery of your dog.
    Bathing can help remove crusts that are stuck to the skin and exudates. It also promotes drainage and drying.


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Short-haired dog breeds are more likely to have epidermal collarettes. The epidermal collarettes may be more prominent in long-haired dogs, like Shetland sheepdogs or collies.

Your dog can undergo allergy testing, followed by treatment. The flea allergy can be treated with topical or oral flea prevention. Food or environmental allergies may take longer to control.

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