Ulcers on the Lips of Cat – Is It Possible to Help Pet?


Felines are resistant to various diseases and changes in the environment. At least, that is how things are supposed to work with a balanced diet and strong immunity system. However, our pets do sometimes fall ill. For example, an ulcers on the lips of a cat indicate neglect of some kind.

Aspect of the Disease

Wild or domestic, cats are curious animals and therefore tend to get into trouble. Minor injuries heal quickly, without treatment. Yet, deep cuts on the muzzle after a cat fight may look like ulcers or develop into those if left untreated.


The causative agent of herpes is a virus. It is hazardous not only for animals, but also for humans. If the pet has strong immunity system, the pathogen cannot manifest itself. However, with a decrease in the pet’s defenses, the animal may fall ill. An unmistakable sign is ulcers in form of pinkish follicles on the cat’s lips. Sometimes they erode and the sore place gets covered with crusts.

Manifestations of herpes bring severe discomfort to the pet. The behavior of the cat is changing accordingly, it becomes restless, tries to scratch its lips only worsening the inflammation in the process. At the same time, the ulcers, especially when they appear on the lower lip, interfere with normal eating. If you do not provide timely assistance, herpes will cause a complication in the form of rhinotracheitis. It is characterized by the following conditions in a pet:

Rhinotracheitis is an inflammatory disease that is hazardous for an animal’s health and can end in lethal outcome. Herpes sometimes becomes a catalyst for other infections, too.

Jacob’s Ulcer

Jacobs Ulcer or eosinophilic granuloma is a rare disease but nonetheless lethal. A characteristic sign is an ulcer on the cat’s upper lip, which looks like a pinkish spot. The growth does not usually bring pain and discomfort to the animal on the early stages. If it appears on the lip, it is essential to monitor the development of the process, since the granuloma is distinguished by constant growth. In the extreme stages, it turns into an erosion, which exposes the roots of the teeth and affects the gums to the bone. The main causes of eosinophilic granuloma are allergic reactions, viral infections, external parasites (fleas, ticks). Other possible initiating agents:

  1. defective feeding;
  2. insufficient care;
  3. recent severe illness or exhaustion;
  4. intensive reproduction of ectoparasites.

Eosinophilic granuloma requires a rapidly administered and thorough treatment, as it can otherwise develop into a malignant tumor.

Photo of Ulcers on the Lips of Cats

in cat ulcers on lips purulant ulcers on the lips of cat ulcers on lips in cat ulcers on lips of cat


Treatment of herpes is a long and challenging process. The first step is to protect the mucous membranes with anti-inflammatory ointments (acyclovir, tetracycline, etc). It can be advisable to smear pet’s lips up to 5 times a day. For severe viral infections, a veterinarian usually prescribes Acyclovir in tablets. The owner is required to strictly follow the recommendations on the dosage and administration, since the drug adversely affects the liver. Do-it-yourself approach is absolutely inapplicable with this condition.

If the complication has transmitted to the upper respiratory tract, antibacterial drugs (Tylosin, Tetracycline) with antihistamines are prescribed. To maintain the functions of the liver, kidneys, heart, the medical prescription should be followed to the letter. The immunity’s forces are to be replenished by administering immunomodulators. Healthy food supplements of vitamins of groups B and C are also a good solution.

Jacob’s ulcer requires a complex therapy that includes glucocorticoids (Prednisone, Depo-Medrol), antihistamines and immunomodulators. If the causative agents are ectoparasites, the special treatment is carried out in order to eliminate them. In severe cases, surgery is performed. If the ulcer has developed into a malignant tumor, it has to be removed. Other ways of treatment are irradiation or chemotherapy. Then the cat requires rehabilitation therapy. With the development of a cancer after Jacobs ulcer any treatment in most cases is ineffective.

The appearance of an ulcer the cat’s lip is a warning sign. It is usually formed at the extreme stages of pathological processes, which complicates the treatment. Therefore, upon detecting the first changes in the behavior and condition of a pet, it is recommended to contact the veterinarian as soon as possible.

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