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Overview of Canine Lungworms. Lungworms are a type of parasite that can infect the respiratory tract in dogs. There are several different parasites that have been identified including: Paragonimus kellicotti, Capillaria aerophilia, Filaroides and Osleri spp.verview of Canine Lungworms. Lungworms are a type of parasite that can infect the respiratory tract in dogs. There are several different parasites that have been identified including: Paragonimus kellicotti, Capillaria aerophilia, Filaroides and Osleri spp.
Symptoms of Heartworms in Dogs and Cats. Pets with heartworm disease often cough. They find it difficult to exert themselves and don't enjoy exercise. Most pets lose weight, and some develop episodes of fainting. Cats with heartworm disease develop asthma-like symptoms and their hearts enlarge. Unfortunately heartworm disease in cats is often fatal once signs of the disease occur. Left untreated, dogs experience signs associated with lung disease and heart failure. Dogs: