If you’ve ever heard your dog start hacking, gagging, or making strange throat-clearing sounds, it can be alarming and confusing. A coughing pup can sound like they’re choking, wheezing, or even trying to clear something stuck in their throat. But before you panic, take a deep breath. Dog coughing is a common symptom with many possible causes, some mild, others that require prompt veterinary care.
In this guide, we’ll break down the 7 most common reasons dogs cough, what each one sounds like, and what you can do to help your pup feel better.
🩺 1. Kennel Cough (Canine Infectious Tracheobronchitis)
Kennel cough is one of the most common causes of coughing in dogs, especially those who’ve recently been boarded, groomed, or around other dogs. It’s a highly contagious respiratory infection caused by bacteria (usually Bordetella bronchiseptica) and viruses that irritate your dog’s windpipe and airways.
Common signs of kennel cough and respiratory infections:
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A dry, hacking cough that sounds like your dog is honking
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Coughing fits that worsen at night or after excitement
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Gagging or retching after coughing
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Mild nasal discharge or lethargy
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Difficulty breathing
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Rapid breathing
Most canines (who are healthy) recover within one to two weeks, but puppies, seniors, or dogs with weak immune systems can develop pneumonia.
💡 Pro Tip: If your dog goes to daycare, the groomer, or the dog park, make sure their Bordetella and influenza vaccines are up to date to help prevent kennel cough. Many dogs can contract these infections if they are unvaccinated or have weakened immune systems.
🐶 2. Allergies and Environmental Irritants
Just like humans, dogs and young puppies can suffer from allergies to pollen, dust, mold, cigarette smoke, and even grooming products. When allergens irritate their airways, your pup might start coughing, sneezing, or licking their paws excessively.
Signs of allergies in dogs:
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Occasional dry or wheezy cough
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Itchy skin, red eyes, or ear infections
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Runny nose or watery eyes
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Coughing after walks or grooming sessions
Try to pinpoint patterns when it comes to coughing in dogs. If your dog coughs more during certain seasons, after cleaning, or when candles are burning, allergies could be the culprit.
💧 Grooming Tip: Always use a gentle, hypoallergenic pet shampoo like PRIDE+GROOM’s THE SENSITIVE ONE shampoo. These formulas are all-natural and designed to soothe irritated skin and reduce exposure to harsh chemicals that can trigger coughing or allergies.
What is Reverse Sneezing?
Reverse sneezing in dogs is a common phenomenon caused by a sudden, involuntary contraction of the muscles in the back of the throat. This contraction forces air through the nose in short, rapid bursts, producing a characteristic "honking" or "snorting" sound.
Possible Causes:
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Irritants: Dust, pollen, smoke, air fresheners, or other irritants in the nasal passages
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Allergies: Sensitivity to allergens like food, grass, or pet dander
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Nasal mites: Tiny parasites that live in the dog's nose
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Foreign bodies: Objects such as seeds or grass blades lodged in the nasal passages
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Structural abnormalities: An elongated soft palate or narrow nasal passages
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Excitement or play: Overexertion or excitement can trigger this
Note: Reverse sneezing is usually harmless and does not require medical attention unless it becomes frequent, severe, or accompanied by other symptoms such as coughing, difficulty breathing, or loss of appetite. However, if your dog experiences frequent or severe reverse sneezing, it's recommended to consult a veterinarian to rule out any underlying medical conditions.
❤️ 3. Heart Related Disease
A persistent cough, especially one that worsens at night or after exercise, can be a sign of certain heart related diseases, particularly in older or small-breed dogs. When the heart can’t pump efficiently, fluid builds up around the lungs, leading to a wet, congested cough.
Symptoms of heart-related coughing:
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Moist or wet cough
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Lethargy or reluctance to exercise
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Rapid or labored breathing
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Bluish gums or fainting spells
If your dog’s cough sounds moist or phlegmy and they’re slowing down or breathing heavily, schedule a veterinarian visit right away. Early diagnosis and medication can make a huge difference in quality of life.
🪳 4. Parasites (Heartworms and Lungworms)
Parasites like heartworms or lungworms can irritate a dog’s lungs and cause coughing. These infections are serious and even life-threatening, but often preventable with the right medications.
Obvious symptoms and what to watch for:
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Soft, chronic cough that worsens over time
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Fatigue, weight loss, or decreased appetite
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In advanced cases, difficulty breathing
If your dog isn’t on a monthly heartworm preventive, ask your veterinarian about starting one immediately. Prevention of heartworm disease is far easier (and safer) than treatment.
🌬️ 5. Collapsing Trachea
Toy breeds like Chihuahuas, Pomeranians, and Yorkies are prone to a condition called tracheal collapse, where the cartilage in the windpipe weakens and other symptoms are present. This causes the airway to narrow, leading to a distinct cough that sounds like a goose honk.
Common signs:
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Goose-honking cough, especially after excitement or pulling on a leash
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Trouble breathing
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Gagging or retching after eating or drinking
Your veterinarian may recommend weight management, a harness instead of a collar, or medications to reduce inflammation. In severe cases, surgery might be necessary.
🧫 6. Pneumonia or Other Infections
Sometimes, coughing means your dog’s lungs or airways are infected. Pneumonia can develop after a cold, kennel cough, or inhaling food or foreign material (known as aspiration pneumonia).
Signs of infection:
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Wet, productive cough
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Fever and lethargy
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Nasal discharge
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Rapid or labored breathing
Pneumonia requires prompt emergency vet care: antibiotics, fluids, and rest are essential for recovery.
🌿 7. Something Stuck in the Throat
If your dog suddenly starts coughing, gagging, or pawing at their mouth, they may have something stuck in their throat like grass, a toy piece, or a treat.
What to do:
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Stay calm and check for visible obstruction (but never stick your fingers too deep).
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If your dog’s lips or tongue turn blue, it’s an emergency! You must get to the veterinarian or emergency clinic immediately.
Once the object is removed, your vet may check for irritation or infection that could continue to cause coughing.
🐾 When to Call the Veterinarian
If your dog is coughing, not every cough means an emergency, but you should call your vet if your dog:
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Coughs persistently for more than a few days
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Shows signs of trouble breathing or fatigue
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Coughs up blood or foam
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Has blue-tinged gums
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Has been exposed to other coughing dogs
🌸 How to Help Prevent Dog Coughing and Lung Problems
Prevention for your furry friend starts with a mix of routine care, clean air, and healthy grooming habits.
Here’s how to keep your pup’s respiratory system in top shape:
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Keep your dog up to date on vaccinations (Bordetella, canine flu, and distemper).
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Avoid smoke, aerosols, or strong cleaning fumes around your dog.
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Maintain a healthy weight and use a harness instead of a collar if your dog pulls.
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Give your dog year-round heartworm prevention.
🐕🦺 Final Thoughts: Don’t Ignore That Cough
A dog’s cough can range from harmless to serious, but it’s always worth paying attention. By noting how often your dog coughs, what it sounds like, and when it happens, you can help your vet find the cause faster.
Whether it’s kennel cough, allergies, heart disease, or something simple, prompt care and good preventative habits will keep your best friend breathing easy, and barking happily, for years to come.
🐶 Frequently Asked Questions: Why Is My Dog Coughing?
1. How do I know if my dog’s cough is serious?
If your dog’s cough is persistent, wet, or worsening, or if it’s paired with lethargy, breathing problems, or loss of appetite, it could be serious. Coughs that sound moist, congested, or deep in the chest can signal heart disease or pneumonia, while a sudden choking sound could mean something is stuck in the throat. When in doubt, contact your vet — it’s always better to rule out serious conditions early.
2. What does kennel cough sound like in dogs?
Kennel cough usually sounds like a dry, hacking cough, often compared to a goose honk. It might come in fits, especially after your dog gets excited, pulls on a leash, or at night when they’re resting. You might also notice gagging or retching after coughing, as if your dog is trying to clear their throat. Most cases resolve with rest and supportive care, but severe or prolonged coughing needs veterinary attention.
3. Can grooming cause a dog to cough?
Yes, occasionally. Some dogs are sensitive to strong fragrances, aerosols, or harsh ingredients in grooming products, which can irritate their airways. This is why many groomers and vets recommend using hypoallergenic, natural grooming products like PRIDE+GROOM’s THE SENSITIVE ONE. This shampoo is made with gentle, essential-oil-based ingredients that clean without triggering respiratory irritation or allergic coughing.
4. Can dogs cough from allergies?
Absolutely. Dogs can develop seasonal allergies to pollen, grass, dust, mold, or even household cleaners. If your dog’s cough is intermittent and paired with sneezing, itchy skin, or watery eyes, allergies are likely the culprit. You can help by minimizing exposure to allergens, using air purifiers, and bathing your dog regularly with a gentle, moisturizing shampoo to remove allergens from their coat.
5. Why is my dog coughing after grooming or a bath?
If your dog coughs after grooming, it could be from inhaling water, hair, or product residue, or from the stress of the experience. Make sure your groomer uses non-irritating, pet-safe shampoos and avoids strong perfumes or sprays that are not made with natural ingredients. If your dog’s cough lasts more than a few hours after a grooming session, consult your vet to rule out kennel cough or throat irritation.
6. Should I be worried if my dog coughs only at night?
A cough that happens mostly at night can sometimes be linked to heart disease, fluid buildup in the lungs, or collapsing trachea. It can also be triggered by allergens in bedding or dry indoor air. Try using a humidifier near your dog’s bed, and schedule a vet visit to make sure there’s no underlying health issue.
7. How can I help my dog stop coughing at home?
You can help soothe mild coughing by:
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Keeping your dog hydrated
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Running a humidifier in the room
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Avoiding smoke, candles, and strong scents
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Using gentle grooming products
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Limiting excitement or leash-pulling
If the cough lasts longer than a few days or sounds harsh, call your vet — home care can help mild irritation, but medical causes need treatment.
8. How can I prevent my dog from getting kennel cough?
The best prevention is vaccination, the Bordetella vaccine (and canine influenza) helps protect against the most common causes of kennel cough. Keep your dog’s immune system strong with a healthy diet, regular exercise, and routine grooming. If your pup visits dog parks, daycare, or grooming salons, make sure the facility follows good hygiene and ventilation practices.
9. Can heart disease make my dog cough?
Yes. Heart disease, particularly congestive heart failure, can cause a wet, phlegmy cough due to fluid buildup in or around the lungs. This type of cough often gets worse when your dog lies down or after physical activity. It’s important to see your vet for an exam and imaging — heart medications and lifestyle changes can help manage the condition effectively.
10. Why does my dog cough after drinking water?
If your dog coughs or chokes after drinking, it could mean a mild case of tracheal collapse, especially in small breeds like Yorkies, Pomeranians, or Chihuahuas. It can also happen if they drink too quickly or have throat irritation. Try offering smaller amounts of water more frequently and using a harness instead of a collar to reduce pressure on their airway.
🐾 Bottom Line
A dog’s cough isn’t something to ignore, as it’s your pup’s way of saying something’s off. Whether it’s kennel cough, allergies, or heart disease, paying attention to when and how your dog coughs can help your vet pinpoint the cause quickly and make sure it's not life threatening. With the right care, prevention, and gentle products like PRIDE+GROOM, your dog can stay happy, healthy, and cough-free.
WHO IS PRIDE+GROOM?
PRIDE+GROOM was born because a group of New York City dog lovers wanted the same level of grooming products for their dogs that they themselves enjoyed. They looked (hard) but nothing was up to snuff. Or sniff. Like so many, we love our families and take pride in our homes, and we consider our pets to be integral parts of those entities. That said, we could not find an effective way to coif them that was on par with the way we tended to our children, our homes, or ourselves. These beloved pets are allowed on the furniture and in our beds, and yet even when fresh from the groomer, we knew they did not smell or feel as good as they could.
With the development of our coat-specific shampoos, conditioner and deodorizing spray, we think we found just the way to say thanks for being the best and the sweetest MVP of the house. Skin and coat health is very important to us.
PRIDE+GROOM is the first dog grooming brand launched under a beauty platform, with formulas made in a clean beauty and scent lab. We know beauty is not only skin deep. We did a ton of research to create the entire line. Each product is formulated with its own unique blend of essential oils sourced from around the world.
IN DOG WE TRUST
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