Why Is My Puppy Coughing

Understanding the 10 most common causes of dog coughing.

Team LemonadeTeam Lemonade
Why is My Puppy Coughing

 If you’ve recently noticed your puppy coughing, it’s natural to feel a little scared. Just like us, puppies cough for all sorts of reasons. And while some cases are mild and easy to address, others may require immediate veterinary care. 

Let’s take a look at some potential reasons why your puppy is coughing, plus what you can do to help, including expert insights from Lemonade’s favorite vet, Dr. Stephanie Liff.

Most common causes of dog coughing

Puppy coughing can stem from a variety of reasons, ranging from mild irritations to serious health conditions. Below are 10 common causes of coughing in puppies:

1. Reverse sneezing

Reverse sneezing is a rapid inhalation through the nose, often triggered by excitement or irritants. Though it sounds like coughing, it’s generally harmless. If your puppy experiences reverse sneezing, stay calm. If it’s frequent, consult your vet to rule out allergies or nasal issues.

2. Allergies or irritants 

Environmental factors like pollen, cigarette smoke, strong cleaning chemicals, and other allergens can irritate your puppy’s airways, leading to mild, occasional coughing. They may also experience watery eyes or sneezing. Identifying and minimizing exposure to these triggers can help alleviate their symptoms. Using air purifiers and keeping their living area clean can also help.

3. Respiratory infections 

Coughing in puppies can be caused by various respiratory infections—both viral and bacterial— such as bronchitis, distemper, or canine influenza. These infections may also be accompanied by symptoms like nasal discharge, fever, and lethargy. Early diagnosis by a veterinarian is key to effective treatment.

4. Foreign objects 

Sometimes, a small object or piece of food can become lodged in your puppy’s throat, causing a sudden onset of coughing. If your puppy is pawing at their mouth or struggling to breathe, it’s important to check for any visible obstructions. 

If you see something you can safely remove with your fingers, carefully do so. However, don’t attempt this if it risks pushing the object further down. If the obstruction isn’t easily accessible or your puppy is in distress, seek immediate veterinary care.

5. Kennel cough 

Kennel cough is a highly contagious respiratory condition in dogs, often contracted in environments like dog parks, boarding facilities, or grooming salons. It’s caused by a combination of bacteria and viruses, leading to a distinctive honking cough. If your puppy has been around other dogs recently, this might be the culprit. 

If your puppy has kennel cough, keep them away from other dogs, ensure they rest, and consult your vet for potential treatments such as cough suppressants or antibiotics if needed.

6. Heart disease

Sometimes, a puppy’s cough can be a sign of underlying heart problems. While heart issues are more common in older dogs, they can sometimes affect puppies as well. A persistent cough in a puppy should not be ignored, especially if it’s accompanied by other symptoms like fatigue, difficulty breathing, or a swollen belly, which can indicate fluid buildup. These signs may point to conditions like congenital heart defects or early heart disease. 

It’s crucial to take your puppy to the vet if you notice these symptoms, as they can perform a thorough examination, run necessary tests, and determine the best course of action to keep your puppy healthy. Early detection and treatment can make all the difference.

7. Heart worm disease 

Heart worm disease is a serious condition that can cause coughing in dogs as the infestation affects their heart and lungs. Protecting your puppy with regular preventative treatments can help avoid this life-threatening issue. If your puppy develops an unexplained chronic cough, consult your vet for heart worm testing. 

8. Chronic bronchitis

Chronic bronchitis causes persistent coughing due to inflammation in the airways. While it’s more common in older dogs, puppies can develop it too. It’s often triggered by irritants like smoke or dust. If your puppy has a chronic cough, take them to the vet for diagnosis. Treatment may include anti-inflammatory medications and avoiding irritants.

9. Collapsing trachea

A collapsing trachea occurs when the cartilage in the trachea weakens, leading to a honking cough. Small breeds like Yorkies and Chihuahuas are more susceptible. If your puppy develops a honking cough, consult your vet. Treatment options may include medications, a harness, or in severe cases, surgery.

10. Pneumonia

Pneumonia is a serious lung infection caused by bacteria or viruses, leading to coughing, fever, and labored breathing. If your puppy shows these signs, seek immediate veterinary care. Treatment typically includes antibiotics, supportive care, and sometimes hospitalization.

What should I do if my puppy is coughing?

If your puppy is coughing, there are a few simple and natural remedies you can try at home to help them feel more comfortable and support their recovery:

  • Use a humidifier or steam treatment: Moist air can help soothe your puppy’s throat and clear their airways. Place a humidifier near their bed, or bring them into a steamy bathroom for a few minutes to breathe in the moist air.
  • Offer honey: A small amount of honey can help coat the throat and reduce irritation, but avoid overusing it.
  • Encourage hydration: Ensure your puppy drinks enough water throughout the day to keep their throat moist and help clear congestion.
  • Provide plenty of rest: Rest is vital for your puppy’s recovery. Limit their activity and create a comfortable resting space.
  • Serve soft food: If your puppy has a sore throat, switching to soft or wet food may be easier on their throat.

Know when to visit your vet

Puppies can cough for all sorts of reasons—sometimes it’s nothing to worry about, like when they’re excited or encounter mild irritants. However, it’s important to know when to be concerned.

Dr. Liff emphasizes the importance of monitoring your pup’s symptoms before rushing to the vet, but also knowing when to take action.

“If a puppy has a dry, hacking cough but otherwise feels fine, you can monitor them for 24–48 hours. But if they’re not feeling well, take them in right away.”


– Dr. Stephanie Liff

However, some symptoms require urgent care. Dr. Liff recommends bringing your pup in immediately if you notice:

  • Colorful nasal discharge
  • Loss of appetite
  • Lethargy
  • Your puppy is struggling to catch their breath

Additionally, Dr. Liff points out how certain breeds need extra caution.

Flat-faced breeds like Bulldogs and Pugs are at higher risk for pneumonia. They should have chest X-rays each time they develop a cough.”


– Dr. Stephanie Liff

Other signs that warrant a vet visit:

  • A persistent or worsening cough after a few days
  • A honking or hacking cough, or one that triggers gagging
  • Suspicion that your pup inhaled a foreign object
  • Recent exposure to kennel cough or another contagious illness

Early diagnosis and treatment are key for conditions like heartworm disease, tracheal collapse, or bacterial infections. Your vet may recommend X-rays, bloodwork, or other tests to pinpoint the cause and create the right treatment plan for your pup.

Prevent puppy coughing in the future

To help prevent coughing and respiratory issues in your puppy, consider these tips:

  • Keep vaccinations up-to-date: Ensure your puppy receives core vaccinations, including bordetella, canine influenza virus, and DAPP/DHPP.
  • Maintain a clean environment: Regularly clean your puppy’s living space to reduce exposure to dust, allergens, and bacteria.
  • Practice safe socialization: Avoid exposing your puppy to unvaccinated dogs or crowded areas until they’re fully vaccinated.
  • Feed a nutritious diet: High-quality puppy food supports a strong immune system and overall health.
  • Regular deworming: Follow a deworming schedule to protect your puppy from parasites like lungworm and heartworm.
  • Avoid irritants: Keep your puppy away from cigarette smoke, strong chemical cleaners, and other airborne irritants.

Does pet insurance cover dog coughing?

Yes! Pet insurance can help cover the cost of treating a dog’s cough, depending on your policy. If your plan includes vet visit fee coverage, it can help with exam costs and diagnostics. And if you’ve added a preventive care package—you can also get coverage for vaccines and routine checkups to keep your pup in top shape.

That’s why it’s smart to get pet insurance while your dog is young! Pre-existing conditions aren’t covered, so enrolling early—when your pup is as young as two months old—ensures they’re protected before any health issues arise.

Before we go…

Coughing in puppies can be concerning, but understanding the possible causes and taking action early can make all the difference. With proper care, preventative measures, and regular veterinary visits, you can help your puppy overcome their cough and thrive.

And while you’re safeguarding your puppy’s health, don’t forget to consider pet insurance. Lemonade’s pet insurance can help cover unexpected vet bills, ensuring you’re prepared for life’s curveballs—whether it’s a cough, sneeze, or something more serious. Get a free quote today and keep your furry friend protected!

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A few quick words, because we <3 our lawyers: This post is general in nature, and any statement in it doesn’t alter the terms, conditions, exclusions, or limitations of policies issued by Lemonade, which differ according to your state of residence. You’re encouraged to discuss your specific circumstances with your own professional advisors. The purpose of this post is merely to provide you with info and insights you can use to make such discussions more productive! Naturally, all comments by, or references to, third parties represent their own views, and Lemonade assumes no responsibility for them. Coverage and discounts may not be available in all states.

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