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Demodex
- (demodectic mange, red mange) This
parasite called a "mite" generally lives in
peace and harmony on all dogs in the skin.
Infection from this parasite occurs when the body's
immune system is unable to maintain this harmonious
state with the demodex parasite. This is considered
a genetic or inherited trait, and affected animals should
not be used for breeding.
Young puppies under one year of age are most commonly
affected, although older animals with depressed immune
systems can also be affected. Diagnosis is made by "scraping
the skin area" with a sharp blade, in order to
"lift" the parasite off of the skin.
The scraped material is then examined under the microscope
to visualize the parasite.
This form of mange is NON-contagious and causes
mostly hair loss in the areas of the skin affected.
These patients are generally not itching or scratching
themselves.
In severe cases, the entire body be affected, and along
with hair loss, a secondary bacterial infection can
occur. These patients can itch and scratch because
of the bacterial infection. Treatment generally
involves dipping the patient in a solution effective
against demodex.
Usually, the dips are done on a weekly basis until
all mites are gone. Oral medications can also
be utilized in resistant cases.
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