Veterinarian checking a dog for kennel cough symptoms at Tassajara Veterinary Clinic in Danville, CAKennel Cough in Danville, CA

Kennel cough is a highly contagious respiratory condition, and Tassajara Veterinary Clinic offers diagnosis, treatment, and vaccination to help keep your dog protected.

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Kennel cough, medically known as infectious tracheobronchitis, is one of the most common respiratory conditions we see in dogs, especially those that spend time around other animals at boarding facilities, dog parks, daycare, or grooming appointments. While usually not life-threatening, kennel cough is highly contagious and can make your dog uncomfortable for a week or more if left untreated.

What Causes Kennel Cough?

Kennel cough is most often caused by the bacterium Bordetella bronchiseptica, though several viruses, including canine parainfluenza and canine adenovirus, can contribute to the condition as well. It spreads easily through the air, through direct contact with an infected dog, or via contaminated surfaces like water bowls and toys — which is why outbreaks are common anywhere dogs gather in groups.

Signs and Symptoms

  • A persistent, forceful cough, often described as a “goose honk”
  • Retching or gagging, sometimes producing white foamy discharge
  • Mild lethargy or reduced appetite
  • Occasional nasal discharge or low-grade fever

Most dogs remain otherwise bright and active despite the cough, though puppies, senior dogs, and dogs with underlying health conditions can develop more serious complications, including pneumonia.

Diagnosis and Treatment

We typically diagnose kennel cough based on your dog’s history and a physical exam, particularly if there’s been recent exposure to other dogs. In cases with more concerning symptoms, we may recommend chest X-rays through our digital radiology services to rule out pneumonia. Treatment often includes rest, and in some cases, antibiotics or cough suppressants to keep your dog comfortable while the infection runs its course.

Preventing Kennel Cough

The Bordetella vaccine, one of the non-core vaccines we offer, is the most effective way to reduce your dog’s risk, especially if they’ll be boarded, groomed, or spend time at a dog park. Learn more on our pet vaccinations page. If your dog is diagnosed with kennel cough, keeping them away from other dogs until symptoms resolve helps prevent further spread.

Contact Our Danville Veterinarian

If your dog has developed a persistent cough, don’t wait to have it checked. Contact Tassajara Veterinary Clinic at (925) 736-8387 to schedule an appointment.

Frequently Asked Questions About Kennel Cough

Is kennel cough dangerous?

Most cases are mild and resolve on their own, though puppies, senior dogs, and dogs with underlying conditions are at higher risk of complications like pneumonia.

How long does kennel cough last?

Symptoms typically last one to two weeks, though the cough can occasionally linger longer, especially without treatment.

Can my dog get kennel cough even if vaccinated?

The Bordetella vaccine significantly reduces risk but doesn’t guarantee complete protection, since multiple pathogens can cause similar symptoms.

Is kennel cough contagious to humans or cats?

Kennel cough is not known to spread to humans and rarely affects cats, though it can spread easily between dogs.

Should I keep my dog away from other dogs if they have kennel cough?

Yes, isolating your dog from other dogs until symptoms fully resolve helps prevent spreading the infection.

When should I bring my dog in for a persistent cough?

If the cough lasts more than a few days, worsens, or is accompanied by lethargy or appetite loss, schedule an exam right away.

Can kennel cough be prevented?

The Bordetella vaccine is the most effective preventative measure, particularly for dogs that are boarded, groomed, or socialize regularly with other dogs.

Notice a persistent cough in your dog? Let’s get it checked out.

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