How to Help Cat if Something Black Has Appeared around Its Mouth?


Change of the color of the mucous membrane of the lips is an alarming symptom, indicating an infection, an allergic reaction or a disorder of internal organs. If there is something black around cat’s mouth, and the spots do not cause discomfort, a possible reason may be acne. Only after laboratory tests and bacteriological examination of the mucosa the cause of such spots can be identified accurately.

Acne in Cats

One of the most probable reasons why a cat has black tar around mouth is acne. It is a dense dark rash or small pinkish inflamed nodules on the lower lip and chin. Specific symptoms are:

  • black dots near cat's mouth black dots of comedones;
  • inflammation of the mucosa of the lower lip (rarely observed);
  • swelling and inflammation of chin;
  • rash on chin;
  • formation of crusts around the mouth.

Acne is manifested sporadically, but can also act as a chronic disease. The disease most often develops due to violation of metabolic processes, decrease of immunity or insufficient hygiene of a pet.

Inflammation of the hair follicles in rare cases may be the result of an allergic reaction to food or cookware material from which the cat eats. In this case, black dots and pink dense rash appear in places that are in contact with the stimulus. If the allergy was provoked by new dishes, a rash will appear on the lower lip and chin.

Fungal Disease

Having noticed something black around cat’s mouth, you should not carry out any self-treatment, it is better to take an animal to the expert. After the necessary examinations and bacteriological examination of the scraping or mucosa, a fungal infection can be detected.

black spots near cat's mouthDespite the fact that dermatomycosis in cats is considered a rare disease, weakened animals may face it. The most common cause is opportunistic pathogenic bacteria Malassezia. The activation of the growth of this fungus occurs against the background of a decrease in immunity, so the disease is most often faced by owners of very small kittens or elderly animals weakened by a recently disease.

Fungus in cats is dangerous because it affects the mucous membranes and ENT organs. Lack of timely treatment of infection can lead to lesions of the nasal passages or middle ear fungus spores. Otitis media is the most common complication of fungal lesions. In the initial stages, in addition to specific dark spots and crusts, there are no symptoms. Timely detected fungal disease is quite easy to treat. The therapy is based on the treatment of spots around the mouth with antiseptic solution and antifungal ointment.


Another possible reason why there is something black under cat’s mouth is mycoplasmosis. The disease is infectious and develops due to the action of the same name unicellular microorganisms – mycoplasmas. The disease is characterized by a number of symptoms:

  1. black near cat's mouthConjunctivitis.
  2. Purulent discharge from the eyes and nose.
  3. Loss of appetite.
  4. Changes in the color of the mucous membranes.

Often, the infection is accompanied by the formation of dark spots around the mouth, on the tongue and on the mucous membrane of the lips. Mycoplasmosis is especially dangerous for pregnant cats, as it can cause miscarriage.

The disease develops on the background of low immunity, as mycoplasmas belong to the group of opportunistic microorganisms, always present in the animal body. The therapy is based on measures to strengthen the immune system and the use of antibacterial agents.

What to Do at Home?

Having found dark spots around the mouth of a cat you should consult with a veterinarian. Treatment depends on the cause of such rashes. Often acne is a consequence of impaired liver function, especially in older animals. Therapy in this case involves changing the diet in such a way as to minimize the load on this organ.

You should treat dark spots at home using antiseptics. It is necessary to apply a cotton swab moistened with chlorhexidine, Miramistin or hydrogen peroxide to dark areas. Treatment is carried out 2-3 times a day.

It is quite simple to determine an infectious disease at home, as it will affect the behavior of the pet. Infections weaken the body, so the cat will be sluggish, sleep a lot and refuse to eat. It is important to exclude the allergic nature of rashes. To do this, it is necessary to transfer the cat to diet food, replace the bowl with a glass one. Often plastic bowls, painted in bright colors with poor-quality dye, cause acne. Be sure to use vitamin supplements for animals, aimed at normalizing the immune system. For additional measures, consult your veterinarian.

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