Dog coughing is most often caused by kennel cough, allergies, heart disease, a collapsing trachea, or a foreign object caught in the throat, and the right next step depends largely on how the cough sounds and how long it’s been going on. If your dog has started coughing and you’re not sure whether it’s nothing or something serious, you’re not alone. It’s one of the most common reasons pet owners call Cheyenne Mountain Animal Hospital, and understanding the possible causes can help you decide how quickly to seek care.
What Does It Mean When Your Dog Starts Coughing?
A cough is your dog’s body trying to clear something from the airway, whether that’s mucus, dust, or irritation in the throat or lungs. Occasional coughing, like after drinking water too fast, usually isn’t a concern. But when dog coughing becomes frequent, persistent, or paired with other symptoms, it’s worth paying closer attention. Our team at Cheyenne Mountain Animal Hospital sees dog coughing cases ranging from mild, short-term irritation to signs of more serious cardiac or respiratory disease.
7 Common Causes of Dog Coughing
Coughing in dogs can stem from a wide range of issues, from minor throat irritation to conditions that need ongoing management. Here are seven of the most common causes our veterinarians evaluate.
Kennel Cough (Infectious Tracheobronchitis)
Kennel cough is one of the most frequent causes of sudden dog coughing, especially in dogs that spend time at daycare, boarding facilities, dog parks, or grooming salons. This highly contagious respiratory infection often produces a dry, honking cough that can sound alarming even though most cases resolve with supportive care.
Heart Disease and Cardiac Coughing
In older dogs, a persistent dog cough, especially one that’s worse at night or after lying down, can point to heart disease. As the heart enlarges, it can press on the airway or cause fluid buildup in the lungs, both of which trigger coughing. This type of cough often comes with reduced energy or exercise intolerance.
Allergies and Environmental Irritants
Just like people, dogs can develop a cough from exposure to pollen, dust, smoke, or strong household chemicals. Seasonal changes in Colorado Springs can make allergy-related dog coughing more noticeable, particularly in dogs with sensitive airways.
Tracheal Collapse
Small and toy breeds are especially prone to tracheal collapse, a condition where the rings of cartilage supporting the windpipe weaken over time. This often causes a distinctive, dry cough that sounds like a goose honking, frequently triggered by excitement, exercise, or pulling on a leash.
A Foreign Object Stuck in the Throat
Sudden, intense coughing or gagging can mean your dog has something lodged in the throat, such as a small toy, stick, or piece of food. This type of dog coughing usually comes on abruptly and may be accompanied by retching or distress.
Heartworm Disease
Heartworm disease can cause a persistent dog cough as worms mature in the heart and lungs, interfering with normal blood flow and lung function. This is one of the reasons year-round heartworm prevention is so important for dogs in the Colorado Springs area.
Canine Influenza and Other Respiratory Infections
Canine influenza and other viral or bacterial respiratory infections can produce coughing alongside nasal discharge, fever, or lethargy. These infections can spread quickly in group settings and sometimes require veterinary management to prevent complications.
What Does a Dog’s Cough Sound Like?
The character of a dog’s cough can offer clues about what’s causing it. While only a veterinary exam can confirm a diagnosis, these patterns are commonly associated with certain conditions:
- A dry, honking cough is often linked to kennel cough or tracheal collapse.
- A moist or wet-sounding cough may point toward fluid in the lungs, pneumonia, or heart-related causes.
- A cough followed by gagging or retching can indicate a foreign object, severe irritation, or in some cases kennel cough.
- A cough that worsens with excitement or activity is frequently seen with tracheal issues or cardiac disease.
When Should You Call the Vet About Dog Coughing?
Not every cough requires an emergency visit, but certain signs mean it’s time to schedule an appointment with Cheyenne Mountain Animal Hospital promptly:
- Coughing that lasts more than a few days or keeps getting worse
- Coughing paired with labored breathing, blue-tinged gums, or collapse
- Coughing up blood or thick discolored discharge
- Loss of appetite, lethargy, or fever alongside the cough
- A cough that started after your dog choked or was seen chewing on something small
How Cheyenne Mountain Animal Hospital Diagnoses Coughing in Dogs
When you bring your dog in for a coughing evaluation, our veterinarians start with a thorough physical exam, listening closely to the heart and lungs. Depending on what they find, diagnostics may include chest X-rays, bloodwork, heartworm testing, or in some cases a tracheal wash to check for infection. Because dog coughing can stem from so many different causes, an accurate diagnosis is the foundation for an effective treatment plan, whether that means antibiotics, anti-inflammatory medication, or managing an underlying heart condition.
Getting to the Bottom of Your Dog’s Cough in Colorado Springs
A new or persistent cough is your dog’s way of telling you something isn’t quite right. While some causes of dog coughing are mild and short-lived, others need prompt veterinary attention to prevent the condition from progressing. If your dog has developed a cough that concerns you, our team at Cheyenne Mountain Animal Hospital is here to help you figure out what’s going on and get your dog back to feeling like themselves. Call (719) 475-1314 or book an appointment online!
