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NancyH
NancyH, Dog Expert:Rescue, Train,Breed,Care
Category: Dog
Satisfied Customers: 31958
Experience:  30+ yrs dog home vet care & nursing, rescue, behavior&training, responsible show breeding, genetics
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why does my dog cough all the time

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Duke is 12 years old a black lab mix, and lately he coughs and gags a lot as if he has something in his throught, but there is nothing. Duke also pants a lot he is an inside dog, and last week he vomited up a piece of a flat worm. Does Duke have a worm problem?
I'd plan on a vet visit though you can start by just bringing the vet a fresh stool sample to check for worm eggs to see if there is a worm problem.
You can read about worms here
http://www.thepetcenter.com/exa/worms.html
and some varieties do pass through the lungs on the way to the intestinal tract.
With the age of your dog this could be a sign of a heart issue, a fluid build up on the lungs, an infection, or a problem with his larynx which you can read about here
http://www.godivalabs.com/LP.html
I do think your best option is a vet check up for your senior dog.
Hope this helps you!
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