Why Do Sores Appear on the Cats’ Nose?


Wounds and sores on cat’s nose are consequences of dermatitis, allergic reactions or infectious diseases. At home, it is impossible to make a diagnosis yourself, since it is necessary to do the sowing of flora from the nose and to analyze the scraping.

Injuries of the Nose

The sore on cat’s nose may be brownish or black. This symptom is the characteristic of a fungal infection, inflammation in the nasopharynx or allergic reaction. The most harmless cause of crusts are considered to be domestic injuries.

The fact is that the nose of a healthy cat is slightly damp. This prevents the normal recovery of damaged skin, so the wounds can heal for a long time. If the owner is certain of the nature of the crusts, it is necessary to help the pet to recover as soon as possible. To do this, you should treat the nose with an antiseptic several times a day. Preventing re-infection of the wound significantly accelerates regeneration and sores begin to descend a few days after the start of treatment. Dark crust on the nose, which is accompanied by discomfort and is a consequence of skin damage, should not cause concern. Treatment in this case is not required, the crust will disappear itself when the tissue is fully restored. Treatment with antiseptic is necessary only if there are wet erosions or crusts on the site of the wound, blocking the respiratory tract.

Infectious Disease

If a cat has a sore on his nose that does not heal for a long time, the reason may be infectious diseases. Concomitant symptoms of infectious diseases are:

  1. red sores on cat's noseDischarge from the nose.
  2. Conjunctivitis.
  3. Otitis.
  4. Frequent sneezing.
  5. Decreased appetite.
  6. Lethargy.
  7. Increased drowsiness.

In this case, the animal may refuse to eat and be lethargic. Particularly severe forms of infectious diseases are accompanied by vomiting, diarrhea, dehydration.

Cat infections are very dangerous, especially if the animal hasn’t got all the necessary vaccinations. Black sore on the nose is one of the most innocuous of symptoms, in severe cases infectious diseases may lead to the death of a pet. You should not try to treat the pet yourself. Instead, you should take the animal to the veterinary clinic. This may require long-term treatment the clinic.

Dermatological Diseases

When a cat has a sore on his nose the reason may be also skin diseases and dermatitis. These diseases are provoked by fungi and bacteria. To accurately determine the cause of crusts, it is necessary to pass a number of tests, including a smear on the microflora from the nose and scraping the skin from the affected area. Also, the vet will enlighten the animal with a special lamp, which allows quickly determining the presence of fungal infections.

Treatment depends on the type of disease. In case of fungal lesions of the epidermis antibiotics are used. Treatment is carried out with the help of ointments and solutions for the treatment of the nose. With bacterial infection, the sore should be treated with antibacterial drugs, for example, Levomekol ointment.

In dermatological diseases antiseptic treatment of the affected area is required. This is necessary to prevent secondary infection. For this purpose, a solution of Chlorhexidine or Miramistin is used.

Wounds and Allergies

little sores on cat's noseWounds and sores on the nose and around the lips of the cat may be the result of an allergic reaction. Usually these symptoms appear in response to food allergens, but the affection of the skin of the nose may be due to contact with household chemicals.

Special drops of antihistamine action are used for the treatment. You can buy them in a veterinary pharmacy. If the allergic reaction is expressed moderately, it is enough to eliminate the allergen, so that the symptoms subside. Specific treatment is not required, it is enough to avoid contact with the allergen in the future and treat the wound with an antiseptic to prevent infection.


If a black sore suddenly appeared on the nose of the cat, you should carefully watch the behavior of the animal. One of the dangerous cat diseases is calicivirus. Usually animals get vaccination against this disease, but the street cats who accidentally got in the house, may not be vaccinated. Symptoms of calicivirus are:

  • a lot of sores on cat's nosewounds and crusts on the mucous membranes of the mouth, ears and nose;
  • conjunctivitis and tear in the eyes;
  • disease of the joints of the legs;
  • temperature increment;
  • lymphadenopathy;
  • difficult breathing.

For the treatment of calicivirus you should consult the vet about the use of drugs. There is no universal treatment scheme for this disease. The therapy is selected depending on the symptoms and age of the pet. Sores on the nose should be lubricated twice a day with Chlorhexidine or Lugol solution. To facilitate breathing, nasal passages must be treated with special drops.

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