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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 and Types. There are several species of worm that can migrate to the lungs of animals, causing coughing and shortness of breath. The parasite most commonly seen in dogs is the Oslerus osleri. Adult worms create nodules in the windpipe of the animal and lay eggs. The larvae that hatch cause reactions in the airways, leading to obstruction of breathing. Complications can lead to more serious problems such as shortness of breath (dyspnea), bronchitis, emphysema, fluid build-up in the lungs, and even pneumonia.