Coughing is a protective reflex that helps clear the airways of mucus, irritants, or infection.
Respiratory versus Heart Disease
In most cases, coughing originates from respiratory (airway or lung) disease, not the heart itself.
Common respiratory causes include bronchitis, tracheal collapse, infections, asthma, or pneumonia.
Most cough receptors are located in the upper respiratory tract, such as the trachea and larger bronchi. Very few or none are found in the small bronchi, bronchioles, and alveoli.
Therefore, when heart disease occurs without airway involvement, coughing is uncommon, as the deeper parts of the lungs where heart disease exerts its effects contain few cough receptors.
While heart disease may worsen coughing if there is concurrent airway disease, heart disease occurs without airway involvement rarely causes cough.
Nebulization Therapy
Nebulization is a simple and safe therapy where sterile normal saline (0.9%) is converted into a fine mist that your pet inhales. This helps moisturize the airways and loosen mucus or secretions.
However, coughing can have many causes, and not all pets benefit from nebulization. Check with your vet first to ensure it’s the right treatment for your pet.
How to perform nebulization at home:
(Click the link below to watch video)
How to perform nebulization
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Use a nebulizer machine (available at pharmacies or clinics).
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Fill the chamber with 3–5 mL of sterile normal saline (0.9% NaCl) – no medications unless prescribed.
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Small dogs or cats: Place them inside a confined or enclosed cage (e.g., carrier or small crate). Direct the nebulizer outlet into the cage to fill it with mist.
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Larger dogs: Hold or secure your dog comfortably and place the nebulizer chamber or mask near the muzzle, allowing them to inhale the mist freely.
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Let your pet inhale the mist for 10–15 minutes, 1–2 times daily, or as advised by your vet.
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Always clean and dry the nebulizer parts after each use.
Coupage after Nebulization
Coupage is a simple technique that helps loosen mucus in the lungs after nebulization so it can be coughed up or swallowed.
How to do coupage:
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After nebulization, place your hand in a cupped shape (like holding water).
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Gently but firmly pat your pet’s chest wall on both sides for 1–2 minutes.
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You should hear a light “popping” sound — this means the technique is correct.
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Focus on the side of the chest behind the shoulders, not directly over the spine or abdomen.
If your pet’s coughing worsens, breathing becomes labored, or appetite decreases, contact your veterinarian promptly.
