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Kennel cough

Also known as: Canine infectious tracheobronchitis · Bordetella

Quick answer

A highly contagious respiratory infection in dogs, spread in kennels, daycare and group walks. Usually self-limiting but can worsen in puppies or brachycephalic breeds. Phone your vet if coughing lasts more than a few days, your dog is lethargic, has breathing difficulty, or is a young puppy.

Definition

A highly contagious respiratory infection in dogs, spread in kennels, daycare and group walks. Usually self-limiting but can worsen in puppies or brachycephalic breeds.

Symptoms

  • Harsh, honking cough
  • Retching after coughing
  • Mild fever or lethargy
  • Runny nose
  • Reduced appetite in some dogs

When to see a vet

Phone your vet if coughing lasts more than a few days, your dog is lethargic, has breathing difficulty, or is a young puppy. Isolate from other dogs.

Related guides & tools

Frequently Asked Questions

What is Kennel cough?
A highly contagious respiratory infection in dogs, spread in kennels, daycare and group walks. Usually self-limiting but can worsen in puppies or brachycephalic breeds.
What are the symptoms of kennel cough?
Common signs include Harsh, honking cough, Retching after coughing, Mild fever or lethargy, Runny nose. This is not a complete list — individual pets vary. See linked guides for fuller context.
When should I see a vet about kennel cough?
Phone your vet if coughing lasts more than a few days, your dog is lethargic, has breathing difficulty, or is a young puppy. Isolate from other dogs.