Pet & Animal Disease Index
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Blastomycosis
Blastomycosis is a severe systemic infection caused by the fungal organism Blastomyces dermatidis. The organism grows in the soil in specific regions of the country, including the Missouri, Ohio, Tennessee, and Mississippi River valleys.
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Canine Demodicosis
Canine demodicosis is a type of mange that occurs when abnormally high numbers of a mite called Demodex canis multiply on the skin.
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Canine Eosinophilic Granuloma
A rare disease in dogs that usually affects the mouth but can affect the skin.
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Cheyletiella
Dogs and cats affected with Cheyletiella mites can either be intensely itchy or hardly itchy at all. They will frequently get a dry scale along their backs, which can spread to more severe and body-wide scaling. As the infection progresses, the itching becomes more severe. Patchy hair loss can occur due to severe scratching. Some cats may have very few signs other than self-induced hair loss from chewing/pulling out their fur. In humans, Cheyletiella mites cause a red raised rash on the arms, trunk and buttocks that eventually turns into a yellow-crusted area. Human infections usually resolve in 3 weeks if the host animal is treated.
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Color Dilution Alopecia
This is a genetic defect affecting the way pigment is distributed in the hairs of affected dogs. Dogs with unusual haircoat coloration such as blue or fawn are affected. Abnormal pigment (melanin) clumping in the hairshafts and subsequent changes in light refraction are responsible for the unusual coloration, and in severely affected animals, excessive pigment clumping causes breakage of the hairshafts and abnormal or stunted hair growth.
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Cushing's Disease
Cushing's disease results from excessive production of cortisol, a hormone normally produced by the adrenal glands.
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Dermatomyositis
Hereditary, immune-mediated condition of the skin and muscles in dogs and humans.
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Ear Hematoma
When an animal has a painful or itchy ear, it may swing its head about or scratch its ear to alleviate the discomfort. This behavior can cause trauma to the animal's pinna, or earflap, that can add even more irritation to the ear.
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Ear Infections
An ear infection, or otitis, is an inflammation of the outer, middle, or inner ear canal. Most frequently, an animal will develop otitis in the outer ear that may worsen and spread into the middle ear.
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Ear Mites
Highly contagious, ear mites are a common cause of many ear problems in cats and, less commonly, in dogs. Ear mites are found in cats of all ages, but kittens tend to be infected more commonly. These mites can cause intense itching.
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