Sneezing and Reverse Sneezing in Dogs

Author: Dr. med. vet. Gisa Löwe | Last modified: 17.02.2026
Table of contents

When to visit the vet?

Home care monitor at home and contact your vet if worse

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YELLOW/ORANGE for frequent increase, dyspnea between episodes, cyanosis, collapse, or bloody discharge. RED for true dyspnea.

Unsure about what’s wrong with your pet? Feel free to use our Symptom Checker for more clarity

Definition

Sneezing is a reflexive expulsion of air through the nose to clear the airways of irritants. Reverse sneezing, also known as inspiratory paroxysmal respiration, is a sudden, rapid inhalation triggered by an irritation of the airways.

Can Occur with the Following Diseases:

Basics and possible causes

Sneezing in dogs is triggered by a variety of irritants in the nasal passages, including dust, pollen, or foreign bodies. It is a natural reflex that helps to quickly remove these irritants. Air is expelled at high speed to remove particles from the airways.

Reverse sneezing occurs when the muscles in the pharynx and soft palate spasm, leading to a sudden, loud inhalation. Often, this can be triggered by irritants such as pollen or dust, but also by exciting situations like arousal or rapid eating and drinking. Anatomical peculiarities, especially in brachycephalic dogs, can also increase the risk of reverse sneezing.

Possible causes of sneezing can be allergic reactions, upper respiratory infections, nasal mites, or even tumors in the nasal cavity. For reverse sneezing, the most common causes are allergic reactions, nasal irritation from foreign bodies, or structural abnormalities that obstruct airflow.

Typical accompanying symptoms

  • Watery or purulent nasal discharge: Often a sign of an infection or an allergic reaction.

  • Cough: Can indicate an infection or irritation of the airways.

  • Respiratory distress: Breathing can be difficult, especially with reverse sneezing.

  • Swelling in the nasal area: Can be caused by infections or allergies.

  • Loss of appetite: Possibly an indicator of general malaise or a systemic disease.

  • Lethargy: Can indicate an underlying infection or allergy.

When to see a vet?

A visit to the veterinarian is necessary if sneezing or reverse sneezing occurs frequently and is accompanied by other symptoms, such as bloody nasal discharge, persistent cough, or difficulty breathing. These signs could indicate a serious infection, a foreign body, or even tumor growth.

If reverse sneezing lasts longer than a few minutes or if the dog shows signs of panic, a veterinarian should also be consulted. Furthermore, it is important to seek veterinary advice if sneezing is accompanied by other systemic symptoms such as Fever or significant Weight loss.

Symptom recognition for the pet owner and veterinary diagnostic procedure

For the pet owner, it is important to observe the dog’s behavior closely. Regular sneezing or reverse sneezing should be documented, including frequency, duration, and possible triggers. This information is helpful for the veterinarian in making a diagnosis.

The veterinarian will first perform a thorough clinical examination. This includes an examination of the nasal cavities, possibly with an endoscope, to identify foreign bodies or abnormalities. An X-ray image / radiograph or CT scan may be necessary to rule out structural problems or tumors.

Blood tests can be performed to detect infections or allergic reactions. In some cases, a biopsy of the nasal tissue may be necessary to confirm the diagnosis.

What the pet owner can do and professional therapy options

As a first step, the pet owner should try to identify and remove possible irritants in the environment, such as dust or pollen. Regular cleaning of the living area and avoiding smoke or strong scents can be helpful.

If the dog is reverse sneezing, it can be helpful to gently stroke its throat or briefly close its nostrils to interrupt the reflex. However, this should only be done carefully and with consideration for the dog’s well-being.

In case of frequent or severe sneezing or reverse sneezing, do not hesitate to seek veterinary advice. The veterinarian can prescribe specific treatments or medications to alleviate the symptoms and treat the underlying cause.

Outlook on current research

In current research, sneezing in dogs is considered a complex symptom that can be triggered by a variety of factors, including allergies, environmental irritants, and infections. Scientists are investigating the molecular mechanisms involved in the nasal mucosa’s response to various stimuli to develop more targeted treatment methods. A study investigates the genetic predispositions that could make certain dog breeds more prone to frequent sneezing. The results of these studies could help develop specific treatment strategies tailored to the genetic profiles of dogs.

Reverse sneezing is also being intensively researched. It is a reflex triggered by a sudden narrowing of the throat, often caused by irritants or allergens. Researchers are working to understand the exact neurological and muscular processes that lead to this phenomenon. An important research direction investigates the role of environmental factors and their influence on the frequency and intensity of reverse sneezing. The goal is to identify preventive measures that can reduce the occurrence of this symptom.

A newer branch of research is dedicated to developing non-invasive diagnosis methods for sneezing and reverse sneezing. In the future, these methods could help veterinarians identify the underlying causes more quickly and initiate appropriate treatment. Advances in diagnostic imaging, such as the use of high-resolution MRI scans, offer promising approaches to gain detailed insights into the nasal and pharyngeal structure of dogs. These technologies could help detect structural abnormalities or inflammatory conditions that lead to sneezing or reverse sneezing.

Additionally, the influence of diet and lifestyle on the occurrence of sneezing and reverse sneezing is being investigated. Researchers are analyzing the extent to which certain nutrients or food additives could play a role in the prevention of these symptoms. Initial studies suggest that a balanced diet rich in antioxidants and anti-inflammatory ingredients can strengthen the immune system and reduce the risk of allergy-related sneezing. These findings could be incorporated into the development of special diets for susceptible dogs.

Another research area focuses on the development of new pharmacological approaches for the treatment of sneezing and reverse sneezing. Scientists are testing new medications that specifically reduce inflammatory conditions in the nasal mucosa or influence the neuronal responses that lead to reverse sneezing. These medications could offer an effective alternative to currently available treatments, which often only provide symptomatic relief. However, research in this area is still in its early stages, and further clinical studies are required to confirm the safety and efficacy of these new therapies.

Frequently asked questions

1. What is the difference between sneezing and reverse sneezing in dogs?
Sneezing is a sudden, forceful exhalation through the nose, often triggered by irritants or foreign bodies. Reverse sneezing, on the other hand, is a reflex in which air is rapidly inhaled through the nose, often accompanied by a snorting sound. It is caused by irritation in the pharyngeal area.
2. How can I tell if my dog is suffering from reverse sneezing?
Reverse sneezing is characterized by repeated, short breaths, a snorting or gasping sound, and a sudden tension in the chest. It often occurs in episodes that can last from a few seconds to a minute.
3. Are there certain dog breeds that are more likely to sneeze or reverse sneeze?
Yes, brachycephalic breeds such as Pugs, Bulldogs, and Boston Terriers are more susceptible to reverse sneezing due to their short nasal structure. These breeds also tend to sneeze frequently due to anatomical features that can affect the airways.
4. Can allergies trigger sneezing in dogs?
Yes, allergies are a common cause of sneezing in dogs. Environmental allergens such as pollen, dust, and mold can lead to irritation of the nasal mucosa, which triggers sneezing. Food allergies can also play a role.
5. Is reverse sneezing dangerous in dogs?
In most cases, reverse sneezing is harmless and poses no health risk. It often sounds worse than it is and usually requires no treatment. However, if reverse sneezing is frequent or prolonged, a veterinarian should be consulted to rule out other causes.
6. What can I do to help my dog with reverse sneezing?
If your dog has an episode of reverse sneezing, you can try gently stroking its throat or briefly holding its nostrils to encourage swallowing. This can help end the episode more quickly. In any case, your dog should be calmed and not panicked.
7. Can respiratory diseases cause sneezing in dogs?
Yes, upper respiratory infections, such as kennel cough, can cause sneezing. These infections cause inflammatory conditions of the nasal and pharyngeal mucosa, which can lead to frequent sneezing. A veterinary examination is advisable to determine the cause and appropriate treatment.
8. How do the symptoms of sneezing and reverse sneezing differ?
When sneezing, air is explosively expelled through the nose, often accompanied by a typical sound. In reverse sneezing, however, air is rapidly inhaled through the nose, often causing a snorting or gasping sound. Both symptoms usually appear suddenly but can have different causes.
9. Can environmental factors influence reverse sneezing in dogs?
Yes, environmental factors such as dust, smoke, perfumes, or sudden temperature changes can trigger reverse sneezing. These stimuli cause short-term irritation in the pharyngeal area, leading to the characteristic reflex.
10. When should I consult a veterinarian about sneezing or reverse sneezing?
If your dog's sneezing or reverse sneezing occurs frequently, lasts a long time, or is accompanied by other symptoms such as nasal discharge, cough, or difficulty breathing, you should consult a veterinarian. These signs can indicate a more serious underlying condition that needs treatment.