What causes dogs to sneeze

What causes dogs to sneeze? Illnesses and countermeasures that can be considered when it does not stop

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Dogs sometimes sneeze too, but if your dog doesn’t stop sneezing too often, you’ll be worried. When do dogs sneeze?

In this article, we will discuss what causes your dog to sneeze, possible illnesses, and how to treat it. Don’t overlook the signs that your dog shows and take care of them properly.

What causes dogs to sneeze?

Sneezing is a reflex action that occurs when some kind of stimulus is applied to the nasal cavity and prevents it from entering the body. Here are some possible reasons why your dog sneezes:


Dogs get colds just like humans. Dog colds, also known as kennel cough (canine infectious bronchitis), are caused by viral or bacterial infections.

Symptoms are very similar to those of the common cold in humans. However, since the pathogens that cause dogs and humans are different, dog colds do not pass to humans, and human colds do not pass to dogs.

Allergies caused by pollen, dust, etc.

Sneezing in dogs may be due to an allergic reaction to pollen or house dust. Sneezing due to allergies is accompanied by a runny nose.

If pollen is an allergen (substance that causes allergies), sneezing increases during a particular season, and if house dust is the cause, symptoms appear year-round.

If you suspect an allergy, have a blood test done at your veterinarian’s office to identify the allergen. Avoiding allergens, such as during walks and foods, can help alleviate symptoms.

Ejection of foreign matter

Dogs also sneeze as a physiological reflex from an object entering their nose. Once the foreign object is removed, sneezing usually subsides on its own.

In some cases, sneezing does not stop because the foreign object is not easily discharged. If you leave a foreign object in it for a long time, it may cause inflammation of the mucous membrane of the nose, so please have your veterinarian remove it.

Sneezing caused by foreign objects can be prevented by keeping your dog’s environment clean.

Odors and temperature changes

Dogs may sneeze when they smell pungent odors such as spices, tobacco, or pesticides. It is caused by irritation of the nerves in the nose, and a sudden drop in temperature or exposure to bright light can also trigger sneezing.

puppy sneezing

If your puppy is sneezing frequently, it most likely has kennel cough. Puppies still have a weak immune system and are not very strong, so you need to be careful.

Most likely kennel cough?

The cold that dogs catch is called kennel cough (canine infectious bronchitis), and unvaccinated puppies between 6 weeks and 6 months of age are more likely to develop it.

Kennel cough is caused by viruses, bacteria, and Mycoplasma spp., and is highly contagious. In a multi-dog environment, other dogs are easily infected, so please be careful.

Treatment includes coping therapy such as inhalation therapy and administration of cough suppressants, and if there is a bacterial infection, antibiotics are administered.

If treatment is started as soon as symptoms appear, it will be completely cured in about a week, but if it becomes severe, it may cause bronchitis or pneumonia, which can be life-threatening. Don’t think it’s just a cold, see a veterinarian and start treatment early. Vaccination is effective in preventing aggravation

Sneezing in adult and senior dogs

We’ll look at when an adult or older dog sneezes.

If your dog sneezes, it may not be sick

Sneezing in dogs is often a physiological phenomenon due to irritation of the nasal mucosa. We also sneeze when we breathe in dust, sniff on a walk, or get our nose wet. The sneezing in this case is temporary and in most cases is not a cause for concern.

If you feel fine after just a few sneezes, and if you sneeze after smelling a pungent odor, don’t worry.

What is reverse sneezing

A reverse sneeze is the act of grunting your nose and inhaling forcefully to make your nose run. It’s called a reverse sneeze because it’s the opposite of sneezing, which is the action of blowing air out of your nose.

It is often seen in brachycephalic breeds of small dogs such as Chihuahuas, French Bulldogs and Shih Tzu, but in most cases it is a reflex caused by irritation to the respiratory tract and there is no need to worry.

Symptoms of sneezing that should be seen at a veterinary hospital

If you have symptoms other than sneezing, it is likely to be a sign of illness. Please get your pet to a veterinary hospital as soon as possible.

  • Long-lasting sneezing
  • I have a hard time breathing
  • Unusual sneezing
  • A runny nose with blood or pus
  • Symptoms such as fever, diarrhea, and vomiting
  • Lack of appetite or energy

Read Also: How old is a senior dog?

What Diseases Can Dogs Sneeze?

Sneezing with the above symptoms requires attention. When symptoms other than sneezing are seen, the following diseases are suspected.


If your dog sneezes and has a runny nose, you may have rhinitis. At first, it is a runny nose, but as it worsens, it turns into a yellow or green thick, sticky nasal discharge.

The onset is caused by infection with viruses, bacteria, fungi (mold), etc., and inflammation of the mucous membranes due to inhalation of foreign substances. In chronic cases, sinusitis can develop, in which pus fills the sinuses.

Sinusitis can also affect the sense of smell, so it’s important to treat it as soon as possible.

intranasal tumor

Nasal tumor is a disease in which a tumor forms in the nose, and is common in older dogs and dogs with long noses, and symptoms such as sneezing, runny nose, and nosebleeds are seen. Early detection and treatment are important because many intranasal tumors are malignant.

periodontal disease

Periodontal disease is an inflammatory disease caused by bacteria and tartar buildup on the teeth. When periodontal disease develops, the infection spreads to the nasal cavity, which can cause sneezing, pus-like runny nose, and nosebleeds.

Periodontal disease requires treatment such as oral medication and tooth extraction. If you suspect periodontal disease, take your pet to a veterinarian.


Sneezing in dogs is caused by some kind of irritation to the nasal mucosa. In many cases, it is an allergic reaction to pollen or dust, or a physiological reflex caused by foreign substances, odors, or changes in temperature.

It can be prevented by eliminating allergens and foreign substances and by avoiding irritating environments and objects. Reverse sneezing, which is common in brachycephalic breeds of small breeds, is paroxysmal breathing and usually does not require treatment.

However, sneezing can also be a sign of illness. It is important to observe carefully whether there are any symptoms other than sneezing and whether there are any abnormalities in your physical condition. Be especially careful with kennel cough, which is common in puppies and can be life threatening if severe.

Take care of your dog’s physical condition and appearance on a daily basis, and practice what you can do, such as adjusting the living environment and habits. When a disease is suspected, early detection and treatment are key. Seek veterinary care before symptoms progress.

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