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How long can a dog live with heartworms?

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Quick Answer

Dogs with heartworms generally have a shortened life expectancy, according to The Daily Puppy. However, the exact life expectancy can vary from dog to dog due to a number of factors such as the amount of heartworms, the age of the dog and the dog's overall health.

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Full Answer

Newly infested dogs typically do not exhibit signs of heartworm disease for several months, according to Pet MD. As the disease progresses, heartworms cause damage to the heart and lungs. The damage caused by heartworms can cause a number of issues such as enlarged liver, fluid accumulation in the abdomen, breathing difficulties and elevated blood pressure, according to The American Heartworm Society. Abrupt death often occurs in dogs with advanced stages of heartworm disease.

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