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Dogs cough for a variety of reasons, some of which can be serious in themselves and others that are signs of an underlying problem. Internal parasites, heartworm disease, distemper, fungus diseases, tuberculosis, allergies, and pollutants such as cigarette smoke can cause Fido to cough.
Dog collapsed trachea is often the cause of obstruction of the airway and coughing in a dog. The direct cause is not known, but there are several factors that may contribute to the cause. Most commonly, the cause is likely abnormal synthesis of the cartilage in the trachea.og collapsed trachea is often the cause of obstruction of the airway and coughing in a dog. The direct cause is not known, but there are several factors that may contribute to the cause. Most commonly, the cause is likely abnormal synthesis of the cartilage in the trachea.