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Pain when Chewing in Dogs

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

When to visit the vet?

Urgent see a veterinarian within 24 hours

RED FLAG if the mouth cannot be opened, severe drooling, swallowing/breathing problems, rapid facial swelling, trauma, or severe general disorder.

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

Definition

Pain when chewing in dogs refers to a symptom where the dog experiences pain while chewing food or toys, which can manifest as reluctance to chew, abruptly stopping while eating, or visible signs of discomfort.

Can Occur with the Following Diseases:

Basics and possible causes

A dog’s ability to chew is essential for food intake and well-being. Pain when chewing can significantly impair quality of life. Causes can range from infections and injuries to structural problems.

One of the most common causes of pain when chewing is dental problems. These include gum diseases like gingivitis or periodontitis, which are caused by 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.. These conditions lead to inflammatory conditions of the gums and, if left untreated, can result in tooth loss.

Another common reason is tooth fractures or broken teeth, which can be caused by chewing on hard objects like bones or toys. Such injuries expose the sensitive dental pulp and lead to significant pain.

Jaw injuries or misalignments can also affect chewing behavior. Traumatic experiences, such as a blow to the jaw or an accident, can cause fractures or luxations that make chewing painful.

Infections or tumors in the mouth area are also possible causes. These can cause localized pain and swelling and impair chewing.

Typical accompanying symptoms

Reluctance to eat: The dog hesitates to touch its food or avoids it completely, which indicates pain when chewing.
Changes in eating behavior: The dog chews more slowly or on one side of the mouth to avoid pain.
Drooling: Increased salivation can be a sign that the dog has pain in the mouth area.
Whining or whimpering: The dog shows through Vocalizations that chewing causes him pain.
Facial swelling: Swelling in the mouth or muzzle area can indicate inflammatory conditions or infections.
Weight loss: Long-term food avoidance can lead to Weight loss because the dog does not absorb enough nutrients.
Bad breath: This can be a sign of infections in the mouth area that cause pain.

When to see a vet?

A vet visit is essential if the dog shows signs of pain when chewing over a longer period. It is particularly concerning if the dog completely refuses to eat or rapidly loses weight.

Even with visible injuries in the mouth area, such as bleeding or tooth fractures, a veterinarian should be consulted immediately. Otherwise, these can worsen and lead to more serious health problems.

If accompanying symptoms such as swelling, severe bad breath, or excessive drooling occur, this should also be clarified by a veterinarian immediately, as these signs can indicate serious infections or other diseases.

Symptom recognition for the pet owner and veterinary diagnostic procedure

As a pet owner, you should first observe your dog’s behavior when eating. If the dog shows signs of discomfort, such as chewing on one side or completely avoiding food, this can be an indicationIndication refers to a valid reason or rationale for using a specific treatment, medication, or medical procedure. It is based on the diagnosis and the patient's clinical condition. of pain.

The veterinarian will conduct a thorough examination of the oralOral means "through the mouth" and refers to the intake of food, medication, or other substances through the mouth. In veterinary medicine, many treatments are administered orally. cavity to identify possible causes. This includes palpating the jaw and teeth, as well as possibly X-rays to detect fractures or root problems.

In addition, blood tests may be necessary to rule out infections or to check the dog’s general health. In some cases, 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 be necessary if a tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. is suspected.

What the pet owner can do and professional therapy options

Until the vet visit, measures should be taken to relieve the dog’s pain and prevent further damage. Soft food can be a temporary solution to minimize pressure on the teeth.

Avoid giving the dog hard toys or bones that could worsen the problem. Cleaning the oralOral means "through the mouth" and refers to the intake of food, medication, or other substances through the mouth. In veterinary medicine, many treatments are administered orally. cavity with suitable products can also help reduce bacterial loads.

It is important that the dog drinks enough fluids to avoid 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., especially if it is eating less. Make sure that fresh water is always available and the dog has access to it.

Any pain medications or drugs should only be administered after consulting a veterinarian, as some human medications can be unsuitable or even toxicToxic means "poisonous" and refers to substances that can have harmful effects on the body, including damage to organs, cells, or disruption of metabolic processes. for dogs.

Outlook on current research

Pain when chewing in dogs is a symptom that can indicate various problems in the mouth or dental area. Current research in veterinary medicine focuses on the exact mechanisms that lead to this pain, as well as on the development of new methods for 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 therapyTherapy refers to the treatment of diseases or disorders with the aim of alleviating symptoms, promoting healing, or improving quality of life. Therapies can be medicinal, surgical, or through other medical interventions.. Scientists are particularly investigating the role of inflammatory conditions and infections in the oralOral means "through the mouth" and refers to the intake of food, medication, or other substances through the mouth. In veterinary medicine, many treatments are administered orally. cavity and how these affect pain perception. It is suspected that the inflammatory processes not only occur locally in the mouth but also have systemic effects and can cause further health problems.

Another focus of research is the development of new diagnostic tools that make it possible to identify the causes of chewing problems more quickly and precisely. Imaging techniques such as digital X-rays and 3D scans are continuously being refined to detect dental problems and bone loss in the jaw area early. Furthermore, work is being done to improve anesthesiaAnesthesia refers to the state of insensitivity to pain and can be partial (local anesthesia) or for the entire body (general anesthesia). It is used to keep patients pain-free during surgical procedures. techniques to enable pain-free examinations and treatments.

An exciting area of research is also the investigation of genetic factors that can lead to dental and jaw problems in dogs. Some breeds are more susceptible to certain dental diseases, and researchers are looking for genetic markers that can explain this susceptibility. These findings could lead to more targeted preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring. and therapyTherapy refers to the treatment of diseases or disorders with the aim of alleviating symptoms, promoting healing, or improving quality of life. Therapies can be medicinal, surgical, or through other medical interventions. strategies in the long term.

In the therapyTherapy refers to the treatment of diseases or disorders with the aim of alleviating symptoms, promoting healing, or improving quality of life. Therapies can be medicinal, surgical, or through other medical interventions. of pain when chewing, alternative approaches such as acupuncture and homeopathy are increasingly being used. Studies are investigating the effectiveness of these methods compared to traditional pain medications and surgical interventions. 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. results suggest that an integrative therapyTherapy refers to the treatment of diseases or disorders with the aim of alleviating symptoms, promoting healing, or improving quality of life. Therapies can be medicinal, surgical, or through other medical interventions. combining various approaches could be particularly effective.

Another promising area of research is the development of special dental care products for dogs that are intended to have both preventive and therapeutic effects. These include special toothpastes and chew toys that can help reduce plaque and tartar (calculus) while strengthening the chewing muscles.

In the long term, research in this area could significantly improve the quality of life for dogs and reduce the incidenceIncidence refers to the number of new cases of a disease or condition that occur within a specific time period in a specific population group. It provides information about the risk of contracting the disease. of dental problems. Especially in older dogs, it is important to recognize and treat chewing problems early to prevent secondary diseases.

Frequently asked questions

1. What are the most common causes of pain when chewing in dogs?

Pain when chewing can be caused by various factors, including dental problems such as cavities, gum inflammatory conditions, or tooth fractures. Foreign bodies in the mouth or jaw injuries can also lead to pain.

2. How can I tell if my dog has pain when chewing?

Signs of pain when chewing can include the dog chewing only on one side, dropping food, or generally losing interest in eating. Increased drooling or touching the mouth area can also be indicators.

3. Which breeds are particularly susceptible to chewing problems?

Small dog breeds and those with short muzzles, such as Yorkshire Terriers or Bulldogs, are often more susceptible to dental problems. Genetic predisposition plays an important role here.

4. When should I take my dog to the vet?

If your dog shows signs of pain when chewing or refuses to eat, you should consult a veterinarian in a timely manner to clarify the cause and take adequate treatment measures.

5. Can pain when chewing have long-term effects?

Yes, untreated chewing problems can lead to serious health problems, such as infections or tooth loss. The dog's general quality of life can also be severely affected.

6. What treatment options are available for dogs with pain when chewing?

The treatment depends on the cause of the pain and can range from professional teeth cleaning to the administration of painkillers and surgical interventions.

7. Are there preventive measures against pain when chewing?

Regular dental care, including brushing teeth and the use of special chew toys, can help to prevent dental problems and prevent pain when chewing.

8. Are home remedies advisable for chewing problems?

While some home remedies, such as offering soft food, can temporarily help, they do not replace professional diagnosis and therapy by a veterinarian. If serious problems are suspected, a specialist should always be consulted.

9. How important is nutrition in preventing chewing problems?

A balanced diet is essential to maintain dental and jaw health. Special feeds that support tooth cleaning can make a positive contribution.

10. Can pain when chewing also indicate other health problems?

Yes, in some cases, pain when chewing can indicate systemic diseases or inflammatory conditions that extend beyond the mouth area. A comprehensive examination by the veterinarian is therefore important to rule out or treat other health problems.