Why Do Cats Have Ulcers in Mouth?


Mouth ulcers are dangerous because they can trigger terrible discomfort and pain during meals. In some cases, pets may even refuse to eat any kind of food. It is almost impossible to define the nature of these bumps on one’s own because even experienced veterinarians refuse to make a diagnosis on the basis of visual examination. For this purpose, cytology and histology tests of tissues taken from the damaged areas.

Detailed Description of Potential Causes

The most difficult thing for owners is to discover oral cavity issues in time. The fact is, cats rarely let people check their mouth freely, especially when something there hurts and causes discomfort. That is why veterinarians insist on training pets to tolerate regular examinations since early childhood. It helps not only discover a problem in time but also give first aid to a pet when it is needed. When a cat has ulcers in mouth, its owner should make sure that they are not caused by the following reasons:

  • Injuries. Cats often hurt their oral mucosa while eating a hard meal and breaking bones or toys with their teeth. A sore site soon covers with a pink ulcer, which in a best-case scenario will heal in a few days. But if something is stuck in the wound, there is a high risk of inflammation, which is characterized by pus and significant swelling. Small sores and cuts on pets’ oral mucosa are usually debrided with Miromistin solution applied on a cotton swab.
  • Eosinophilic granuloma. In this case, rodent ulcers in cat’s mouth look like red bumps, which are about the size of a small coin. Lips and nose may be also affected, sometimes lumps appear on limbs and body. They are not always accompanied by pain. In case of a single growth, it should be observed because it may cure itself without any medicines. If there is a severe discomfort during meals, bumps are getting bigger and covering the whole mouth cavity, histology is required. On its basis hormone therapy is assigned. The owner should be warned that in most cases, eosinophilic granulomas appear several times during a pet’s lifetime so they should be ready to treat them during the exacerbation. A great deal of attention must be paid to a pet food that can trigger disease aggravation and plastic, avoidance of which is good for any animal.
  • Fistula. It is especially common for animals that eat human food. Fish or meat bones can stick in gum and cause a formation of mouth ulcers in cats. Moreover, they fester and bleed, and the pet’s breath begins to smell like sewage or feces. Fistulas need a lot of time to heal even if it was early discovered and the treatment was started in time. The disease always bothers a pet and greatly affects its behavior during the meals (hard food refusal, excessive salivation at rest). Success of fistula therapy mainly depends on elimination of the factor that causes it. That is why the doctor has to remove teeth that seem to be white and healthy but actually have damaged roots. It may be discovered with dental x-ray. When the main reason is eliminated, a long-term antibiotic therapy is assigned. In some cases, a special drainage may be set to ease the pus discharge from the wound.
  • Abscess. It is an inflammatory process, which causes a formation of a bump filled with pus and lymph fluid. In some cases, it may be about the size of a big cherry. Abscesses are always accompanied by a severe pain and edema of tissues surrounding the bump. Typical sign of this disease are cheek, lower or upper jaw swelling. Chewing becomes painful so food refusal is also a common symptom of mouth inflammation. The causes of an abscess formation involve a foreign body stuck in the gum, deep caries or periapical cyst. In many cases, bumps burst on heir own forming a red ulcer, which heals in 5-10 days. It is advisable to take a pet to the veterinarian because sometimes abscess draining and cleaning followed by oral hygiene are required.

Cat Has Ulcers in Mouth Pics

In conclusion, it must be reminded that ulcers in cat’s mouth, especially if they are grown-up, may be a sign of a malignant tumor. It is common for pets who are 10 years or older. Unfortunately, disease prognosis tends to be unfavorable mostly because of specific localization, not the age.

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