Lungworms in Cats
Parasitic Respiratory Infections in Cats
Lungworms are a parasitic worm species that cause severe breathing (respiratory) problems. Cats that are allowed to roam outdoors and hunt rodents and birds are especially at risk for developing this type of parasitic infection.
Symptoms and Types
There are several species of worm that can migrate to the lungs of animals. Capillaria aerophila and Aelurostrongylus abstrusus are two of those most commonly found parasites in cats. They may cause such symptoms as coughing and shortness of breath (dyspnea).
The coughing is caused by the worm larvae that are laid in the airway, which in turn causes difficulty breathing and mucus accumulation. If left untreated, complications in the damaged airways can lead to more serious problems such as emphysema, fluid build-up in the lungs, and even pneumonia. In some severe cases, the cat may even lose weight.
Cats become infected with lungworms when they drink water or eat prey infected with the larval stage of the worm. The larvae then migrate out of the intestines via the bloodstream to the lungs, where they develop into adult worms and lay eggs in the host's lungs within 40 days. The eggs are then coughed up by the animal or passed in feces, which may then be eaten by birds, rodents, snails, or other pets.
Tests to determine if a cat has a lungworm infection will include:
The prediction of a disease’s outcome in advance
A type of slime that is made up of certain salts, cells, or leukocytes
Having a hard time breathing; breathing takes great pains
The use of a stethoscope (usually) in listening to the sounds of an animal's body.
A disease of the lungs that is created by the enlargement or change in the alveola and alveolar walls
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