Causes of a Dog Cough

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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.

Coughs are triggered by irritants in the air passages and can be characterized as dry and hacking; moist and bubbly; gagging; wheezy; harsh; or weak. It can be frequent, chronic, or intermittent, and is often self-perpetuating as it dries the throat and leads to further irritation.