Why Is My Dog Coughing? Causes, Symptoms, and How to Help
Published: 11 Jan 2025
Has your dog started coughing? As a dog owner, it’s natural to feel concerned when your furry friend isn’t feeling well. But don’t worry—coughing in dogs can happen for many reasons, some mild and easy to treat. In this post, we’ll break down the common causes of dog coughing and give tips on what to do next.

Table of Contents
Common Causes of Coughing in Dogs
Coughing might sound alarming, but not all types are serious. Here are some of the most common reasons why your dog might be coughing:
1. Kennel Cough: A Common, Contagious Infection
If your dog has been around other dogs in places like a dog park or boarding kennel, kennel cough could be the culprit. This illness often causes a dry, honking sound, like your dog is trying to cough something up. It’s highly contagious but usually not too serious, and most dogs recover independently.
What You Can Do:
If you think your dog has kennel cough, it’s best to take them to the vet. Your vet may suggest rest and, in some cases, antibiotics if there’s a secondary infection.
2. Heart Disease: Coughing Can Be a Warning Sign
Sometimes, coughing is a sign of heart disease, especially in older dogs. This type of cough may happen at night or after physical activity. If your dog has heart issues, The cough may result from fluid accumulation around the heart and lungs.
“Heart disease in dogs can lead to serious complications if left untreated. For more details on symptoms and treatments, visit PetMD.”
What You Can Do:
If your dog’s cough doesn’t go away and is joined by other signs like tiredness, trouble breathing, or weight loss, it’s time to visit the vet for a heart checkup.
3. Allergies: Seasonal or Environmental Triggers
Just like humans, dogs can have allergies. Dust, pollen, and even certain cleaning products can cause a dog to cough. If your dog coughs more during certain seasons or after being around certain things, allergies might be to blame.
“If your dog has allergies, creating a safe environment is key. Find tips for pet-friendly cleaning and allergy prevention at the Humane Society.”
What You Can Do:
Try to identify any triggers in your dog’s environment. A simple change, like using pet-safe cleaning products or keeping windows closed during pollen season, might help. Your vet can also suggest antihistamines if allergies are the cause.
4.Collapsing Trachea: Mostly in Small Breeds
If you have a small dog breed, like a Chihuahua or Yorkie, it may be prone to a condition called a collapsing trachea. This condition weakens the windpipe and causes a cough that sounds like a goose-honking. It often happens when the dog is excited or after exercise.
What You Can Do:
Switch from a collar to a harness to avoid putting pressure on your dog’s throat. Your vet may also suggest medications or supplements to manage the condition.

5. Respiratory Infections: Bacterial or Viral Infections
Respiratory infections, like pneumonia, can cause your dog to cough and other symptoms like fever, nasal discharge, or a lack of energy. If left untreated, these infections can become severe.Learn how to recognize dog fever and what to do
What You Can Do:
A vet visit is essential if your dog’s cough is accompanied by fever or other signs of illness. Antibiotics or other medications can often heal infections.
6. Foreign Objects: Something Stuck in the Throat
Dogs, especially puppies, are curious and sometimes swallow things they shouldn’t. If your dog suddenly starts coughing, it could be because something is stuck in their throat, like a small toy or a piece of food.
What You Can Do:
Check your dog’s mouth for any visible objects. If you don’t see anything but your dog keeps coughing or seems choking, head to the vet immediately. Sometimes, your vet may need to remove the object under sedation.
How to Tell If Your Dog’s Cough Is Serious
You may wonder, “How do I know when it’s time to see the vet?” Here are some signs that the cough could be more serious:
- The cough lasts more than a few days.
- Your dog is struggling to breathe or seems out of breath.
- They are acting very tired or not eating.
- The cough produces blood or thick, green mucus.
- Your dog is losing weight without any change in diet.
- They are coughing while drinking water or after eating.
If any of these symptoms sound familiar, don’t wait! A quick vet visit can help catch any serious issues early.
Simple Ways to Help Your Dog Feel Better
While waiting for a vet appointment or treatment, here are a few things you can do to help your dog feel more comfortable:
1. Keep Them Hydrated
Motivate your dog to drink more water. Hydration helps keep their throat moist and can soothe the coughing.

2. Use a Humidifier
Dry air can exacerbate coughing. A humidifier in your home can add moisture to the air and help your dog breathe more easily.
3. Limit Exercise
If your dog is coughing, avoid vigorous play or walks until they feel better. Rest is key to recovery. Some dogs naturally enjoy being lazy and resting under the weather, but if your dog is overly active, you can help them slow down. Learn why some dogs are lazy and prefer to nap [here].
4. Create a Calm Environment
Coughing can be triggered by stress or excitement. Please keep your dog in a quiet area to help them rest and recover.
When to See the Vet
If your dog’s cough doesn’t improve or you notice any severe symptoms listed above, it’s time to visit the vet. A professional can examine your dog and recommend the best course of action. Sometimes, coughing can signal a more significant problem, so it’s always better to be safe and get a proper diagnosis.

Final Thoughts
Coughing in canines can happen for many reasons. Whether your dog coughs at night, while sleeping, or after drinking water, monitoring its symptoms is essential. Understanding the cause and seeking early treatment can help your dog recover quickly. Always pay attention to other signs, like weight loss or difficulty breathing, and don’t hesitate to consult your vet if you’re worried.
Has your dog been coughing in their sleep, or perhaps after drinking water? What did your vet say? Share your experiences below!
FAQ
1. Can dog coughing be caused by stress or anxiety?
Yes, stress and anxiety can sometimes trigger coughing in dogs, especially if they experience episodes of panting or hyperventilation. Keeping your dog calm and providing a stress-free environment can help reduce these symptoms.
2. How do I know if my dog’s cough is contagious to other pets?
If your dog has a condition like kennel cough or a respiratory infection, it’s likely contagious to other dogs. Keep your dog isolated from others and consult your vet to minimize the spread.
3. Is coughing more common in certain dog breeds?
Yes, small breeds like Chihuahuas, Pomeranians, and Yorkies are more prone to collapsing trachea, which can cause coughing. Larger breeds with deep chests may also cough due to conditions like heart problems.
4. Can I give my dog human cough medicine for relief?
No, human cough medicines are unsafe for dogs and may cause harmful side effects. Always consult your vet before giving your dog any medication.
5. What’s the difference between a gagging sound and a cough in dogs?
A gagging sound often happens when something irritates your dog’s throat, like eating too fast or a foreign object. A cough usually comes from deeper in the respiratory system and may indicate a health issue.
6. Can seasonal changes cause my dog to cough?
Yes, seasonal changes can trigger allergies or cold-like symptoms in dogs, leading to coughing. Watch for other signs like sneezing or watery eyes and consult your vet if the symptoms persist.
7. What should I do if my dog coughs at night but seems fine during the day?
Nighttime coughing could indicate heart disease or fluid buildup in the lungs. If it continues, have your dog checked by a vet to rule out serious conditions.

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- Be Respectful
- Stay Relevant
- Stay Positive
- True Feedback
- Encourage Discussion
- Avoid Spamming
- No Fake News
- Don't Copy-Paste
- No Personal Attacks