Is kennel cough contagious to other dogs?

Kennel cough isn’t just a catchy name—it’s a term for a highly contagious respiratory condition that spreads quickly among dogs. If you’ve noticed your pup hacking or making a honking sound, you’re right to wonder about keeping them away from other pets.​

The virus and bacteria behind kennel cough travel through the air via droplets, released when an infected dog coughs or sneezes. That means even a quick sniff between two dogs at the park can pass it along. Shared water bowls at doggy daycares or grooming salons are another common culprit, making spaces with lots of dogs prime spots for transmission.​

Veterinarians often compare it to the common cold in humans—annoying but rarely serious, though puppies and older dogs with weak immune systems are more at risk. Signs usually show up 2-14 days after exposure, starting with a dry, hacking cough that might sound like something’s stuck in their throat.​

If your dog contracts it, isolation is key. Keep them away from other dogs for at least a week after symptoms disappear to avoid spreading the infection. Many dog parks in cities like Seattle or Boston have rules about keeping sick pets away, and some even post signs during peak seasons to remind owners.​

Local regulations might require reporting certain contagious conditions, so check with your vet or animal control. In some areas, boarding facilities or breeders must notify clients if a dog in their care has kennel cough, part of laws aimed at preventing outbreaks.​

Prevention goes a long way. The kennel cough vaccine, often given as a nasal spray, reduces the risk of severe symptoms and transmission. It’s a good idea if your dog frequents places like obedience classes, dog shows, or boarding kennels—settings where close contact is unavoidable.​

When caring for an infected dog, disinfecting their toys, bedding, and food bowls with a pet-safe cleaner helps kill lingering germs. Avoid using bleach, which can irritate their paws; instead, opt for products labeled effective against canine respiratory pathogens, as recommended by most vet clinics.​

Most cases clear up on their own with rest, but contact your vet if your dog runs a fever, stops eating, or has trouble breathing. These could be signs of a more serious infection that needs treatment.​

By staying alert to symptoms, following isolation guidelines, and keeping up with preventive care, you can protect both your dog and others in the community. Kennel cough’s contagious nature demands responsibility, but with the right steps, it’s manageable.