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Nasal Polyps in Dogs

Author: Dr. med. vet. Gisa Löwe | Last modified: 06.11.2025

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NasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. polyps are benignBenign refers to a non-invasive, non-serious condition that is not life-threatening. In medicine, the term is often used to describe benign tumors that do not metastasize, meaning they do not form secondary tumors. tissue growths that can originate from the mucous membrane of the nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. cavity or paranasal sinuses in dogs. They can make breathing difficult and cause various accompanying symptoms.

Can Occur with the Following Diseases:

Rhinosporidiosis (Fungal Infection of the Nose Caused by Rhinosporidium Seeberi)

Basics and possible causes

Polyps in the nose of dogs are benignBenign refers to a non-invasive, non-serious condition that is not life-threatening. In medicine, the term is often used to describe benign tumors that do not metastasize, meaning they do not form secondary tumors. tumors that arise from the mucous membrane and can extend into the nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. cavity. These growths consist mainly of connective tissue and mucous membrane that have thickened. While they are not malignantMalignant means "cancerous" and is used to describe tumors or neoplasms that grow invasively and have the ability to metastasize. Malignant tumors can cause serious health problems in dogs and cats. themselves, they can impair breathing if they become large enough.

The exact causes of polypA polyp is a benign growth that originates from mucous membranes and protrudes into hollow spaces or onto surfaces. Polyps can occur in various areas of the body, including the nose, intestines, and uterus. formation in dogs are not fully understood. It is believed that chronicChronic refers to a condition or disease that is long-lasting or permanent. Chronic diseases often develop slowly and can lead to persistent or recurring health problems over time. inflammatory conditions or allergies could play a role. Repeated irritation of the nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. mucosaMucosa, also called mucous membrane, refers to the moist lining of body cavities that are connected to the outside world, such as the mouth, nose, lungs, and gastrointestinal tract. It serves to protect and facilitate the absorption of nutrients. by allergens or infections could promote the development of such growths. Genetic factors are also being discussed, as some breeds have been observed to have a higher predispositionA predisposition is an innate inclination or susceptibility of an organism to certain diseases or conditions. In dogs and cats, there may be a genetic predisposition to certain conditions such as hip dysplasia or certain heart diseases. to polyps.

Other possible causes for the development of nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. polyps in dogs include environmental factors, such as inhaling pollutants or the presence of foreign bodies in the nose, which can cause chronicChronic refers to a condition or disease that is long-lasting or permanent. Chronic diseases often develop slowly and can lead to persistent or recurring health problems over time. inflammation. Infections with certain viruses or bacteriaBacteria are microscopic, single-celled organisms that exist in almost every environment on Earth. Some types of bacteria are beneficial or even essential to life, while others can cause disease. could also promote the growth of polyps.

Typical accompanying symptoms

Impaired nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. breathing: Dogs with nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. polyps may have difficulty breathing through their nose. This often manifests as snoring or a loud breathing sound.
Sneezing: Frequent or persistentPersistent means lasting or continuing for an extended period. In veterinary medicine, it can refer to chronic diseases or symptoms that do not subside. sneezing can be a sign of a nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. polypA polyp is a benign growth that originates from mucous membranes and protrudes into hollow spaces or onto surfaces. Polyps can occur in various areas of the body, including the nose, intestines, and uterus., especially if it cannot be explained by obvious irritants or allergies.
Nosebleeds: In some cases, polyps can lead to nosebleeds, especially if they are irritated by friction or other mechanical influences.
NasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. discharge: A clear or purulentPurulent refers to pus or the production of pus, which may indicate a bacterial infection. Purulent inflammatory conditions are often painful and may have significant swelling and redness. nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. discharge can occur in dogs with polyps, especially if they cause sinusitis.
Facial swelling: In severe cases, swelling may occur in the area of the face if the polyps are large enough to deform the nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. area.
Changes in behavior: Some dogs show changes in behavior, such as increased scratching at nose or a generally restless behavior, due to the irritation caused by the polyps.

When to visit the vet?

A visit to the vet is urgently needed if a dog shows symptoms such as impaired nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. breathing, frequent sneezing, or nosebleeds. These symptoms can indicate not only polyps but also other serious conditions that require rapid treatment.

If a dog shows signs of nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. discharge, especially if the discharge is purulentPurulent refers to pus or the production of pus, which may indicate a bacterial infection. Purulent inflammatory conditions are often painful and may have significant swelling and redness. or bloody, a veterinarian should also be consulted. Such discharge could indicate an infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease. or a serious inflammatory condition that needs to be treated.

Facial swelling or significant changes in the dog’s behavior, such as increased scratching at nose or restlessness, also warrant an immediate visit to the vet. These symptoms may indicate an advanced problem that requires professional examination and diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients..

Symptom recognition for animal owners and veterinary diagnostic procedures

It is important for pet owners to pay attention to the symptoms mentioned and take them seriously. If a dog shows unusual breathing sounds, sneezing, or nosebleeds, the pet owner should note these symptoms and inform the veterinarian during the examination.

The veterinary diagnostic procedure usually begins with a thorough clinical examination of the dog. The veterinarian will inspect the dog’s nasal cavities and nasopharynxThe nasopharynx is the upper part of the pharynx behind the nose and above the soft palate. It connects the nasal cavities to the throat and plays an important role in breathing and swallowing in dogs and cats. to identify possible polyps or other anomalies. This may require the use of an endoscope to take a closer look at the internal structures of the nose.

In addition, imaging techniques such as X-rays or computed tomography (CT)Computed tomography (CT) is an imaging technique that uses X-rays and computer technology to create cross-sectional images of the body. It enables a detailed view of bones, organs, and other structures and is used for the diagnosis of injuries, diseases, and for planning medical interventions. can be used to determine the exact location and size of the polyps and to rule out other possible causes for the symptoms. A biopsyA biopsy is a medical procedure in which a small amount of tissue is removed from the body to be examined under a microscope for signs of disease. Biopsies can help diagnose cancer and other conditions. may also be necessary to ensure that the growths are benignBenign refers to a non-invasive, non-serious condition that is not life-threatening. In medicine, the term is often used to describe benign tumors that do not metastasize, meaning they do not form secondary tumors..

What can pet owners do and professional therapy options

As a pet owner, you can take some measures to alleviate the dog’s discomfort until veterinary treatment is possible. This includes keeping the dog in an environment that is free of irritants such as cigarette smoke or strong perfumes, so as not to further irritate the nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. mucosaMucosa, also called mucous membrane, refers to the moist lining of body cavities that are connected to the outside world, such as the mouth, nose, lungs, and gastrointestinal tract. It serves to protect and facilitate the absorption of nutrients..

It can also be helpful to keep the dog in a well-ventilated environment with slightly increased humidity, as this can soothe the mucous membranes. A humidifier can be useful in dry environments to make it easier for the dog to breathe.

The pet owner should make sure that the dog drinks enough to prevent dehydrationDehydration occurs when the body loses more fluid than it takes in. This can lead to a number of problems, including headaches, Dizziness, and in extreme cases, renal failure or Cardiovascular collapse. of the mucous membranes. A balanced diet and the avoidance of stress can also help to strengthen the dog’s immune systemThe immune system is the body's defense system against infectious agents such as bacteria, viruses, fungi, and parasites. It comprises a complex network of organs, cells, and molecules that work together to protect the body. and alleviate the symptoms.

Ultimately, it is important to present the dog to a veterinarian as soon as possible to ensure an accurate diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. and appropriate treatment. Polyps can often be surgically removed, and early intervention can help to avoid complications and improve the dog’s quality of life.

Outlook on current research

Research into nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. growths in dogs, especially polyps, is an important field in veterinary medicine, as such growths can significantly impair the animals’ breathing and general well-being. Current studies focus on identifying the genetic and environmental factors that contribute to the development of polyps. Scientists are investigating whether there are specific breed predispositions and how environmental factors such as air quality and exposureExposure refers to the Contact with or subjection to certain substances, environmental factors, or pathogens. In veterinary medicine, this can include Contact with toxins, allergens, or infectious agents that can cause health problems in dogs and cats. to allergens affect the risk of polyps.

Another central area of research is the improvement of diagnostic procedures for the early detection of polyps. Currently, imaging techniques such as computed tomography (CT)Computed tomography (CT) is an imaging technique that uses X-rays and computer technology to create cross-sectional images of the body. It enables a detailed view of bones, organs, and other structures and is used for the diagnosis of injuries, diseases, and for planning medical interventions. and magnetic resonance imaging (MRI)Magnetic resonance imaging is an imaging technique that uses strong magnetic fields and radio waves to create detailed images of the inside of the body. It is used in veterinary medicine to diagnose diseases of the brain, spine, and other organs. are being further developed to enable more accurate and less invasiveInvasive describes medical procedures or pathogens that enter the body or penetrate tissue. In medicine, invasive procedures can range from minimally invasive techniques to open surgery. diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients.. These technologies offer detailed insights into the nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. structure and help to distinguish polyps from other nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. anomalies.

In the treatment of nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. polyps in dogs, intensive work is being carried out on new, less invasiveInvasive describes medical procedures or pathogens that enter the body or penetrate tissue. In medicine, invasive procedures can range from minimally invasive techniques to open surgery. surgical techniques. Researchers are investigating the use of endoscopic procedures that allow a more precise removal of polyps while sparing the surrounding tissue. These techniques could shorten the recovery time after surgery and reduce the risk of postoperativePostoperative refers to the time after a surgical operation. This phase includes recovery and the management of possible complications after the procedure. complications.

The role of immunotherapy in the treatment of polyps is also being explored. Since inflammatory processes are often involved in the development of polyps, immunomodulatoryImmunomodulatory describes the ability of a substance to modify the reaction of the immune system. Immunomodulatory drugs can either stimulate the immune system to fight infections more effectively or suppress it to prevent overreactions. therapies could help to control or reduce the growth of these growths. InitialInitial means beginning or at the start. In medicine, it can refer to the first symptoms of a disease or the first phase of a treatment process. studies show promising results, but further investigations are needed to confirm the effectiveness and safety of such treatments.

In the long term, research aims to develop preventive strategies that reduce the risk of polypA polyp is a benign growth that originates from mucous membranes and protrudes into hollow spaces or onto surfaces. Polyps can occur in various areas of the body, including the nose, intestines, and uterus. formation. This includes the identification of biomarkers that indicate an increased risk, as well as the development of nutritional and lifestyle guidelines to promote nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. health in dogs. Research in this area is crucial to improve the quality of life of dogs and avoid possible health complications.

Frequently asked questions

What are nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. polyps in dogs? NasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. polyps are abnormal tissue growths in a dog’s nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. cavity that can impair breathing.
How do I know if my dog has polyps in its nose? Symptoms can include sneezing, nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. discharge, respiratoryRespiratory refers to breathing or the process of breathing. Respiratory diseases affect the respiratory tract and can impair the ability to breathe effectively. distress, and a stuffy nose. A veterinarian should be consulted to make an accurate diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients..
Are nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. polyps dangerous in dogs? While polyps are benignBenign refers to a non-invasive, non-serious condition that is not life-threatening. In medicine, the term is often used to describe benign tumors that do not metastasize, meaning they do not form secondary tumors., they can significantly impair a dog’s breathing and quality of life if left untreated.
Can polyps in dogs go away on their own? Polyps usually do not go away on their own and often require medical treatment or surgical removal.
How are polyps diagnosed in dogs? DiagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. is often made through a combination of physical examination, endoscopic procedures, and imaging techniques such as CT or MRI.
What treatment options are available for polyps in dogs? The main treatment is surgical removal, although in some cases drug therapies can also be used to reduce inflammatory conditions.
Is there anything I can do to prevent polyps in my dog? Regular veterinary check-ups, good nasalNasal refers to the nose and nasal cavities. In veterinary medicine, this can involve examinations, treatments, or diseases affecting the nose of dogs and cats. hygiene care, and avoiding allergens can help reduce the risk.
Are there certain breeds that are more prone to polyps? Some studies suggest that brachycephalic breeds may be more susceptible due to their anatomical features, but further research is needed to confirm this.
How long does it take to recover after polypA polyp is a benign growth that originates from mucous membranes and protrudes into hollow spaces or onto surfaces. Polyps can occur in various areas of the body, including the nose, intestines, and uterus. removal? Recovery time can vary depending on the severity of the growths and the surgery performed, but is usually a few weeks.
Can a dog live a normal life after polypA polyp is a benign growth that originates from mucous membranes and protrudes into hollow spaces or onto surfaces. Polyps can occur in various areas of the body, including the nose, intestines, and uterus. removal? Yes, most dogs can return to a normal and active life after successful treatment and removal of the polyps.