The dog's respiratory system mainly consists of the nose, larynx, pharynx, trachea, bronchi and lungs. Various illnesses may affect the dog's respiratory system, causing a variety of symptoms and disorders.
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Function
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The dog's respiratory system has two main functions: to allow the exchange of carbon dioxide and oxygen, and to efficiently regulate the dog's temperature.
Symptoms
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Symptoms suggesting respiratory disorders in dogs are rapid breathing, noisy breathing, wheezing, stridor, shallow breathing, sneezing and coughing.
Types
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Common illnesses causing respiratory problems are influenza, bronchitis, laryngitis, laryngeal edema, laryngeal paralysis, laryngeal spasm, kennel cough, collapsing trachea, pleural effusion, pulmonary infiltrates of eosinophils and tumors.
Considerations
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While coughing episodes may be thought to be associated with an irritated throat or a mild upper respiratory problem, in some cases coughing may be a symptom of heart disease or the presence of heartworms.
Treatment
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Treatment varies depending on the underlying causes. Upper respiratory infections, bronchitis and pneumonia are often treated with a course of antibiotics. Laryngeal paralysis, severe tracheal collapse and tumors may require surgery. Laryngeal edema and pleural effusion are medical emergencies that require immediate veterinary attention
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