The Nagging Cough: Understanding Bronchitis in Dogs

In this guide

Chronic bronchitis in dogs is inflammation of the airways that leads to a persistent cough, often lasting months, and is one of the more common reasons an older dog develops what owners describe as 'a cough that just won't go away'.

What causes it

• Chronic airway inflammation of no single identifiable cause, more common in middle aged and older small breed dogs
• Long term exposure to irritants such as cigarette smoke, incense smoke, or dusty environments
• Ongoing low grade infection
• Obesity, which places extra strain on the airways and worsens symptoms

Signs to watch for

• A persistent, often harsh or honking cough, present most days for at least two months
• Coughing that worsens with excitement, exercise, or pressure on the neck from a collar
• Occasional gagging or retching at the end of a coughing fit
• Reduced exercise tolerance over time

Diagnosis

Because a chronic cough can stem from many different causes, including heart disease, collapsing trachea, or kennel cough, a vet will typically want chest X-rays and sometimes further tests, such as an airway wash, to reach a confident diagnosis of bronchitis specifically rather than treating symptoms blindly.

Management

Chronic bronchitis is generally managed rather than cured, with anti-inflammatory medication such as steroids to calm the airway inflammation, cough suppressants used carefully, weight loss where relevant, and switching to a harness instead of a neck collar to reduce pressure on an already irritated airway. Reducing exposure to smoke and dust at home makes a genuine difference for affected dogs and is one of the simplest changes an owner can make.

Common Questions

Q: Can chronic bronchitis be cured completely? A: Rarely fully cured, but it is very manageable long term with the right combination of medication and lifestyle changes.

Q: Does weight loss really help a dog with bronchitis? A: Yes, significantly, since excess weight places additional strain on already inflamed airways and worsens coughing frequency.

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