TL;DR: A goose-honking cough is typically caused by tracheal collapse or kennel cough and is usually a non-emergency unless your dog is gasping for air or has blue gums. To help with diagnosis, record a video of the coughing episode and check your dog's gum color before heading to the vet.
What causes my dog to make a goose-honking cough sound?
A distinctive "goose-honk" sound in dogs is a classic clinical sign often associated with two main conditions: tracheal collapse or infectious tracheobronchitis (Kennel Cough). Tracheal collapse occurs when the cartilage rings of the windpipe weaken and flatten, making it difficult for air to pass through smoothly. Kennel cough, on the other hand, is a highly contagious respiratory infection that causes inflammation of the upper airways. Both conditions can cause your dog to sound like a honking goose, especially when they are excited, pulling on a leash, or drinking water.
Is my dog's goose-honking cough a medical emergency?
- Monitor your pet closely if they are stable and acting normally between coughing episodes.
- See a vet within 24 to 48 hours if the coughing is persistent, prevents sleep, or is accompanied by lethargy and loss of appetite.
- Seek immediate emergency care if your dog has blue-tinted gums, is gasping for air, or collapses, as these are life-threatening signs.
How can capturing a video or photo help the vet triage my dog?
- Record a video of the behavior at home because dogs often stop coughing at the clinic due to adrenaline.
- Use video to help a professional distinguish between a honking cough, a reverse sneeze, or cardiac-related respiratory distress.
- Take photos of your dog's gum color (which should be bubblegum pink) to help the triage team determine if your pet is getting enough oxygen.
Clinical Context (Merck Veterinary Manual)
Tracheobronchitis should be suspected when a characteristic "goose-honking" cough suddenly develops 5-10 days after exposure to other susceptible or affected dogs. The cough is easily induced by gentle palpation of the larynx or trachea, and affected dogs may demonstrate partial anorexia. Body temperature and WBC counts usually remain normal. More severe signs, including fever, purulent nasal discharge, depression, anorexia, and a productive cough, especially in puppies, indicate a complicating systemic infection such as distemper or bronchopneumonia. Severity usually diminishes during the first 5 days, but the disease persists for 10-20 days. Thoracic radiographs are essential to determine the severity of disease and to exclude other causes of cough. Cough suppressants containing codeine derivatives, such as hydrocodone (0.25 mg/kg, PO, bid-qid) or butorphanol (0.05-0.1 mg/kg, PO or SC, bid-qid), should be used only as needed to control persistent nonproductive coughing.
Chapter: Infectious Disease, Respiratory
Source: The Merck Veterinary Manual, 11th Edition (Page 1492)