Library
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Chin acne in cats is a poorly understood disorder of follicular keratinization (the overproduction of keratin, a protein found in the outer layer of skin). If this excess keratin is trapped in the hair follicle, comedones (blackheads) form. Pustules (pimples) may form if bacteria infect the comedones. The underlying causes are not fully understood but may be associated with excess sebum production, viral infection, immunosuppression, stress, or poor grooming. Treatment options are available and often involve improved hygiene.
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Chlamydial conjunctivitis in cats is highly contagious and can look similar to herpes conjunctivitis. Young cats and kittens are especially vulnerable to this infection, although chlamydia can be detected in cats of all ages. It is one of the most common causes of infectious conjunctivitis in cats. This handout describes the clinical signs and how this condition can be treated or prevented.
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Chlamydiosis (psittacosis, parrot fever, ornithosis) is a common disease of birds caused by a bacterial organism called Chlamydia psittaci. Birds with chlamydiosis exhibit a decreased appetite, weight loss, lethargy, diarrhea, nasal or ocular discharge, a fluffed-up appearance, and breathing difficulties. Testing and treatment are discussed. Chlamydiosis is a zoonotic disease, meaning that it can be passed to humans, so all new pet birds should be tested for this disease.
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Cholangitis/cholangiohepatitis in cats refers to inflammation of the bile duct or a combination of inflammation of the bile duct, gallbladder, and surrounding liver tissue. The clinical signs, diagnosis, treatments, and prognosis of the conditions are outlined in this handout.
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Chronic bronchitis (also known as chronic obstructive pulmonary disease or COPD) is a slowly progressing inflammatory condition of the lower airways. The most common sign is a chronic dry cough. The diagnosis, treatment, and prognosis are outlined in this handout.
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Chronic bronchitis is a long-term inflammatory condition that affects the pulmonary or respiratory system. This condition is irreversible and is slowly progressive.
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This handout summarizes the normal function of the dog heart, and outlines the abnormalities and changes associated with degeneration of the four different valves found in the heart. An explanation is provided of clinical signs associated with valve disease, as well as the recommended tests and treatments for this condition. Staging of heart disease is also discussed.
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Chronic egg-laying occurs when a female bird lays one egg after another or lays repeated clutches of eggs. Chronic egg-laying may lead to malnutrition and egg binding. There are both behavioral and medical interventions to stop chronic egg-laying.
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Chronic kidney disease (once called chronic kidney failure) is mainly a problem in mature and senior cats (seven years and older). Unfortunately, once the kidneys are damaged, they have minimal ability to recover. However, with proper management, most CKD cases progress very slowly. This handout describes the clinical signs of the condition, along with causes, diagnosis, treatment, and nutritional management.
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The kidneys have many functions. They are primarily responsible for removing waste from the body and unfortunately in some dogs they will begin to fail at this task. Various tests will be done to determine the stage of kidney disease. Treatment will be recommended to help preserve the remaining kidney function and improve quality of life. Most dogs will respond well to treatment and can live a good life.