Common causes of coughing in Cavalier King Charles Spaniels
- Kennel cough (Bordetella)
- Tracheal collapse (small breeds)
- Heart disease or congestive heart failure
- Heartworm
- Allergies or asthma (more common in cats)
When it's an emergency
Take your Cavalier King Charles Spaniel to a vet immediately if any of the following apply:
- Coughing with bluish gums or labored breathing
- Coughing up blood or pink froth
- Cough lasting more than a week
Safe home care steps
- Use a harness instead of a collar
- Run a humidifier in sleeping area
- Limit exercise in hot/humid weather
Important: Home care is supportive only. If symptoms persist beyond 24–48 hours, consult a licensed veterinarian — AI guidance is not a substitute for professional diagnosis.
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