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Author Topic:   Diseases - Mange/scabies : Cause, Symptoms, Diagnosis, Treatment & Prevention
Auspetian

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Posts: 435
From:Sydney
Registered: Jul 2002

posted 09-17-2003 09:46 AM     Click Here to See the Profile for Auspetian     Edit/Delete Message
Sarcoptic mange (technically called notoedric mange in cats), commonly know as scabies, is caused by an external parasite that burrows deep into the skin. It is contagious to other pets and occurs in many different animals. It causes intense itchiness, especially affecting the ear margins, elbows, and face. People can pick up this disease from their pet and show symptoms of itching, but it goes away by itself in a short time and does not require treatment in most cases.

It is important to note that the diagnosis of this skin condition, like most skin conditions, can not be made just by looking at a pet. Diagnostic tests are mandatory to arrive at a correct diagnosis and achieve a satisfactory outcome to therapy. Stating that an animal looks "mangey" is not the same thing as making a positive diagnosis of mange. Pets that have Ringworm , Demodex. and allergies can look like they have Sarcoptic mange.

Cause
Sarcoptic mange is caused by a mite called Notoedres, a microscopic ectoparasite that burrows in to the skin.


Symptoms
The most prevalent symptom of sarcoptic mange is intense itching called pruritis. This itching will inflame the skin and cause scabs with a secondary bacterial infection (pyoderma) occurring due to the trauma. The areas most commonly affected are the ear margins, elbows, and face. Some pets will shake their ears excessively and cause an aural hematoma (swollen ear). These symptoms can mimic those of other skin conditions, so the rules of the diagnostic process should be carefully adhered to.


Diagnosis
The primary way to diagnose sarcoptic mange is to do a skin scraping where the patches of alopecia occur. Finding these mites under the microscope can be very difficult in this disease. A pet that has the symptoms of Sarcoptic mange and is negative on skin scrapings for the parasite can still have the disease. In these cases we commonly treat for the disease anyway, because the treatment is highly effective.


Treatment
The usual treatment for Sarcoptic mange is a drug called Ivermectin. It is an injection given weekly for up to 4 weeks. Most pets decrease their scratching rapidly after the first injection. Some dogs, particularly Collies, Shetland Sheepdogs, and Old English Sheepdogs do not tolerate the medication well. In these pets we use a dip called Lyme Sulfur that is also very effective. The disadvantage to the dip is the odor it causes and the staining of white coated animals. All pets in a household should be treated regardless of whether they are showing symptoms or not. Pets that have secondary skin infections from the trauma might also be put on antibiotics.


Prevention
Good nutrition and plenty of play and exercise are always important to maintain the proper balance to fight off disease. All pets in a household that has a pet diagnosed with this disease should also be treated.


Keywords: Animal Diseases - Mange/Scabies: Cause, Symptoms, Diagnosis, Treatment & Prevention

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