HEALTH
3 min

Kennel Cough in Dogs: What Every Dog Parent Must Know!

Is your dog coughing a lot? It could be kennel cough! Dr Rohit explains the signs, treatment, when to worry, and more. Read on to keep your dog safe!
Table of contents

What is Kennel Cough in Dogs?

Kennel cough in dogs is a highly contagious respiratory infection, similar to the common cold in humans. It can be caused by various bacteria and viruses and spreads easily in places where dogs interact such as dog parks, kennels, and grooming centres. Most dogs may recover on their own, but puppies, senior dogs, or those with weak immune systems may need medical care.
Thankfully, kennel cough vaccinations are easily available and can help reduce the risk, especially for dogs frequently exposed to others.

What Causes Kennel Cough in Dogs?

Kennel cough isn’t caused by just one germ— it can be due to a mix of different bacteria and viruses. The most common culprits are:
  • Bacteria: Bordetella bronchiseptica (the main cause), along with E. coli and Klebsiella

  • Viruses: Canine parainfluenza, canine adenovirus, canine coronavirus, and canine distemper

How is Kennel Cough Spread?

Kennel cough spreads easily through the air when infected dogs cough or sneeze, releasing tiny airborne particles that can travel over long distances. It can also spread by contact with contaminated objects like bowls, toys, and bedding. Dogs in high-risk spaces such as dog parks, grooming centres, and boarding kennels—face a higher risk of infection. 

Which Dogs Are at Higher Risk for Kennel Cough?

Dogs most vulnerable to severe cases or complications include:
  • Puppies under 6 months: Their immune systems are still developing

  • Senior dogs: Aging can weaken their ability to fight infections

  • Dogs with weakened immune systems: Due to illness, stress, or medical conditions

While dogs who have had kennel cough before aren’t more prone to it, they can still get reinfected.
two golden retriever puppies
Now you know why your vet asks your puppies to stay at home till those shots are done!

What are the Symptoms of Kennel Cough in Dogs?

Once contracted, the disease can take anywhere from 2 to 14 days to show symptoms. Here are some common symptoms of kennel cough in dogs to watch out for:
  • Dry, Hacking cough (Often mistaken for choking or gagging)

  • Occasional frothy spit with the cough

  • Lethargy (less energy than usual)

  • Loss of appetite

  • Fever

  • Nasal or eye discharge

  • Pneumonia (in severe cases)
What a "dry, hacking cough" sounds like. Video credits: @BerkleeSims

How Do Vets Diagnose Kennel Cough?

Veterinarians will typically diagnose kennel cough based on your dog’s symptoms, especially the characteristic cough and any recent exposure to sick dogs. In some cases, they may take a throat or nasal swab to confirm the infection. If the cough is severe or pneumonia is suspected, an X-ray may be needed.

What is Kennel Cough Treatment Like?

Kennel cough can sound alarming, but most dogs recover with rest and care. Here’s what treatment looks like:
  • Rest and recovery: Most dogs recover on their own within 5-10 days with plenty of rest.

  • Cough relief: Your vet may suggest a cough syrup or a natural remedy like honey with ginger to soothe your dog’s throat.

  • If symptoms worsen: If the cough intensifies or your dog develops secondary infections, such as pneumonia, your vet may prescribe antibiotics or other treatments.

When Should You Take Your Dog to the Vet?

If the cough doesn’t improve or gets worse in 3-5 days (in frequency or intensity), a vet visit may be needed. Severe cases can lead to pneumonia, which may cause lethargy, fever, or laboured breathing. Additionally, persistent coughing can indicate other health issues like heart disease or tracheal collapse. Seek veterinary care if your dog struggles to breathe, seems unusually weak, or if the cough isn’t improving despite rest and care. A proper diagnosis ensures the right treatment and a quicker recovery.

Is Kennel Cough Contagious to Humans?

No, Kennel cough is not contagious to humans, but it is always a good idea to wash your hands and clean up after interacting with an infected dog.
woman kissing dog
Puppy kisses are contagious, kennel cough... not so much.

How Can Kennel Cough Be Prevented?

Prevention is key when it comes to diseases such as Kennel Cough. Here’s what you can do:
  • Vaccinate Your Dog Regularly: Dogs at higher risk (those who visit dog parks, boarding kennels, etc.) should get the Kennel Cough vaccinations once a year, without fail. While it may not be a part of the standard vaccination schedule, it should be given at least 2-3 weeks before exposure to high-risk environments.

  • Maintain Hygiene: In places with multiple dogs, keep areas clean, and try to separate infected dogs from healthy ones to prevent spreading the disease.

  • Avoid visiting high-risk areas: If possible, avoid places where many dogs are together, especially if your dog is young, old, or has health issues.


Conclusion
Kennel cough is a common but usually mild illness that most dogs recover from on their own. Puppies and older dogs are at higher risk for complications, so it’s important to keep an eye on them and get them checked by a vet if needed. Vaccination, good hygiene, and avoiding high-risk places can help protect your dog from kennel cough.
Keywords:

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is kennel cough contagious to humans

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