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Vaginal Prolapse in Dogs

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

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VaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. in dogs, also known as vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. or hyperplasiaHyperplasia refers to an increase in the number of cells in a tissue or organ, leading to enlargement. This can be a normal reaction or a sign of a disease., is a condition in which there is Swelling or protrusion of tissue from the vagina. This condition often occurs in female dogs that are not spayed and are in heat.

Can Occur with the Following Diseases:

Vaginal Prolapse (Tissue Prolapse in the Vaginal Area)

Basics and possible causes

Vaginal prolapse in dogs is usually caused by hormones. It often occurs during the proestrus or estrusEstrus, also known as heat, is the phase in the reproductive cycle of female mammals when they are receptive to mating. In dogs and cats, this is the time when they are ready to mate. phase of the reproductive cycle. During these phases, estrogenEstrogen is a group of steroid hormones that are primarily responsible in female animals for regulating the reproductive system and developing female characteristics. In dogs and cats, estrogens play an important role in the estrous cycle. levels rise, which can lead to increased blood flow and Swelling of the vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. tissue.

Genetic factors can also play a role. Certain dog breeds may be predisposed to this condition, including Boxers, Bulldogs, and other brachycephalic breeds. The genetic 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. may be related to the structure of the tissue and the response to hormonal changes.

Another possible cause could be an anatomical problem in which the tissue in the vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. area is more susceptible to Swelling. In some cases, a hormoneHormones are chemical messengers produced by endocrine glands and released into the bloodstream to affect specific cells or organs in the body. They regulate numerous bodily functions, including growth, metabolism, and reproduction. imbalanceImbalance refers to an imbalance or disruption of normal function or composition in the body, which can lead to health problems. or excessive estrogenEstrogen is a group of steroid hormones that are primarily responsible in female animals for regulating the reproductive system and developing female characteristics. In dogs and cats, estrogens play an important role in the estrous cycle. production can also lead to this condition.

Typical accompanying symptoms

Swelling in the vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. area: This is the most visible symptom. The Swelling can range from a slight protrusion to a distinct massIn pathology, the term "mass" is used to describe an abnormal lump or growth in the body. A mass can form in the skin or subcutaneous tissue, or even inside the body. The causes can be benign (not cancer) or malignant (cancer). protruding from the vagina.
Increased Licking: Female dogs with a vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. often lick excessively at the affected area, which may indicate discomfort or Itching.
Frequent urination: Due to the irritation and pressure on the bladder, the female dog may need to urinate more frequently or show signs of incontinenceIncontinence refers to the inability to voluntarily control urine or stool, leading to involuntary loss. There are various forms, including urinary incontinence and fecal incontinence, which can be caused by different factors..
Behavioral changes: The female dog may appear restless or irritated, especially if the tissue is painful or itchy.
Bleeding: In some cases, there may be slight Bleeding from the vaginal area, especially if the tissue has been damaged.

When to visit the vet?

A visit to the veterinarian is essential if you notice a prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. in your female dog’s vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. area. Even if the symptoms appear mild, the condition can lead to complications without treatment, including infections or tissue damage.

You should act particularly quickly if the female dog shows signs of Pain, such as Whining or avoidance of contact in the affected area. Also, if you notice Bleeding or the female dog has difficulty urinating, an immediate visit to the veterinarian is necessary.

It is important to determine the cause of the prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. in order to initiate the best treatment. A veterinarian can assess the severity of the condition and take appropriate measures to ensure your female dog’s well-being.

Symptom recognition for animal owners and veterinary diagnostic procedures

As a pet owner, you should watch for signs of Swelling or unusual behavior in your female dog, especially during her heat. If you notice a prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse., do not hesitate to consult a veterinarian.

The veterinarian will first perform a thorough physical examination to assess the Swelling. He will inspect the vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. area and possibly perform a vaginoscopyVaginoscopy is a diagnostic examination that uses an endoscope to visualize and examine the inside of the vagina. It can be used to diagnose infections, Tumors, and other abnormalities. to examine the extent of the prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. and the condition of the tissue more closely.

In addition, blood tests could be ordered to check the female dog’s hormoneHormones are chemical messengers produced by endocrine glands and released into the bloodstream to affect specific cells or organs in the body. They regulate numerous bodily functions, including growth, metabolism, and reproduction. status. These tests can help identify hormonal imbalances or other underlying problems that may be contributing to the prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse..

In some cases, an ultrasoundUltrasound refers to sound waves that are above the hearing threshold of the human ear. In medicine, ultrasound is used for diagnostic imaging procedures to visualize internal organs, tissues, and blood flow. examination may also be necessary to ensure that there are no other structural problems in the reproductive tract that could be leading to the prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse..

What can pet owners do and professional therapy options

As a pet owner, you can take some measures to support your female dog’s well-being while you wait for the veterinarian or after the 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.. Avoid touching the affected area excessively, as this could cause Pain or further irritation.

Make sure your female dog remains in a clean environment to minimize the risk of 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.. If she is Licking, you can try putting on a protective collar to prevent the Licking. This can help avoid further irritation or infections.

It is important that you do not use any medications or topicalTopical refers to the direct application of medications or treatments to the skin or mucous membranes for a local effect, without being absorbed into the body. treatments without veterinary advice. Some products could worsen the situation or make the 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. more difficult. Trust the veterinarian’s instructions and follow his treatment plan exactly.

If the prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. is caused by hormonal causes, castration could be considered to prevent future episodes. Discuss this possibility with your veterinarian to make the best decision for your female dog.

Outlook on current research

Vaginal prolapse in dogs is a symptom that is receiving increasing attention in veterinary research. Scientists are investigating various aspects of this symptom, particularly with regard to its frequency, the underlying mechanisms, and possible treatment approaches. One focus is on the investigation of hormonal influences, as hormones such as estrogenEstrogen is a group of steroid hormones that are primarily responsible in female animals for regulating the reproductive system and developing female characteristics. In dogs and cats, estrogens play an important role in the estrous cycle. can play a significant role in the development of vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapses. Studies suggest that estrogenEstrogen is a group of steroid hormones that are primarily responsible in female animals for regulating the reproductive system and developing female characteristics. In dogs and cats, estrogens play an important role in the estrous cycle. levels are elevated during estrusEstrus, also known as heat, is the phase in the reproductive cycle of female mammals when they are receptive to mating. In dogs and cats, this is the time when they are ready to mate. or in certain diseases, such as estrogen-producing Tumors, and thus may increase the risk of vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse..

Another area of research deals with genetic 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.. Some breeds show a higher susceptibility to this symptom, which indicates genetic factors. Genetic studies are being used to try to identify specific markers that are associated with an increased risk of vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapses. The goal is to develop breeding programs that minimize the risk for affected breeds.

In therapeutic research, both surgical and non-surgical approaches are being investigated. While surgical interventions, such as resection of the prolapsed tissue or fixation of the vagina, may be necessary in severe cases, minimally 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. techniques are also being worked on. This includes, for example, the use of laser technology to tighten the affected tissue. Non-surgical treatment approaches include hormonal therapies and physical support methods such as specially adapted bandages or aids.

Preventive measures are also an important part of the research. Scientists are investigating how nutrition and exercise programs can help support the health of the reproductive system and reduce the risk of symptoms such as vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse.. A better understanding of the factors that contribute to preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring. could significantly improve the quality of life of affected dogs.

Overall, research in the area of vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. in dogs is still emerging, but the advances promise to significantly improve the management and preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring. of this symptom in the future. Scientists are continuously working to better understand the underlying biological processes and to develop effective treatment strategies that benefit both the animals and their owners.

Frequently asked questions

What is VaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. in dogs? VaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapse in dogs refers to the protrusion of tissue from the vagina, which can occur in certain health conditions. It can occur during heat, with hormonal imbalances, or due to genetic factors.
What symptoms can occur in addition to the prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse.? In addition to the visible prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse., dogs may also show signs of discomfort, Licking of the affected area, difficulty urinating, or even bloody discharge. Behavioral changes or signs of stressStress refers to the state of an organism reacting to external stimuli or demands. In veterinary medicine, stress can have physical or psychological effects on animals, impacting their health and well-being. are also possible.
When should I see a veterinarian? A veterinarian should be consulted as soon as Vaginal prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. is noticed. Early 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 treatment can reduce the risk of complications and provide relief to the dog.
What diagnostic procedures are used? The veterinarian may perform a physical examination, supplemented by imaging procedures such as ultrasoundUltrasound refers to sound waves that are above the hearing threshold of the human ear. In medicine, ultrasound is used for diagnostic imaging procedures to visualize internal organs, tissues, and blood flow. or X-rays, to assess the condition of the reproductive system. Blood tests can help identify hormonal imbalances.
Are there specific breeds that are more susceptible? Yes, certain breeds, such as Boxers and Bulldogs, are more susceptible to vaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapses due to genetic 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.. Breeders and veterinarians are working to minimize the risk in these breeds.
Can VaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. disappear on its own? In some cases, a slight prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. may resolve on its own during heat when hormoneHormones are chemical messengers produced by endocrine glands and released into the bloodstream to affect specific cells or organs in the body. They regulate numerous bodily functions, including growth, metabolism, and reproduction. levels return to normal. However, a medical examination remains important to rule out other causes.
What treatments are available? Treatment depends on the severity and cause of the prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse.. Options range from conservative measures, such as hormonal therapies and bandages, to surgical procedures to reposition or remove the tissue.
Can VaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. be prevented? While not all cases can be prevented, regular veterinary checkups, a healthy diet, and management of the reproductive cycle help reduce the risk. In genetically susceptible breeds, special attention should be paid to breeding.
Is VaginalVaginal refers to anything related to the vagina, the muscular tube that connects the external genitalia in female mammals to the uterus. prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. painful for the dog? Yes, it can be painful and uncomfortable for the dog. The prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. can cause irritation, Inflammatory conditions, and even infections, which can lead to further discomfort.
How can I help my dog during treatment? Keep the affected area clean and dry, and prevent excessive Licking by wearing a protective collar. Follow the veterinarian’s instructions regarding medication and care to support the healing process.