Kennel Cough in Dogs
If your dog is hacking away or constantly making noises that make it sound like they are choking on something, they may have a case of kennel cough, or canine infectious tracheobronchitis. Although kennel cough can sound terrible, most of the time it is not a serious condition, and most dogs will recover without treatment.
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What is Kennel Cough?
Just as human colds may be caused by many different viruses, kennel cough itself can have multiple causes. One of the most common culprits is a bacterium called Bordetella bronchiseptica m– which is why kennel cough is often called Bordetella. Most dogs that become infected with Bordetella are infected with a virus at the same time. These viruses, which are known to make dogs more susceptible to contracting Bordetella infection, include canine adenovirus, canine distemper virus, canine herpes virus, parainfluenza virus and canine reovirus.

Dogs “catch” kennel cough when they inhale bacteria or virus particles into their respiratory tract. This tract is normally lined with a coating of mucus that traps infectious particles, but there are a number of factors that can weaken this protection and make dogs prone to kennel cough infection, which results in inflammation of the larynx (voice box) and trachea (windpipe).
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These factors include:
- Exposure to crowded and/or poorly ventilated conditions, such as are found in many kennels and shelters
- Cold temperatures
- Exposure to dust or cigarette smoke
- Travel-induced stress
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