Why Would Cat’s Eyes Fester?


There are various causes for such an unpleasant symptom:

  • Complication after previous conjunctivitis;
  • wound or injury;
  • pus in cat's eyes causesblepharitis;
  • keratitis;
  • bacterial or fungal infections;
  • parasitic pathologies: insects, protozoaires, worms;
  • allergic reactions;
  • irritated factors: household chemicals, allergy-provoking shampoos;
  • lacrimonasal duct blockage;
  • diabetes;
  • chronic digestive system disruptions;
  • kidney diseases.
As a rule, in itself pus in cat’s eyes is aconcomitantsign other diseases, endnote primary symptom.

So, as the conjunctivitis progresses poorly treated or untreated at all, the complication can often manifest itself by the development of a purulent process.

Eye Injuries and Bruises

Cats often get involved in in fights with other cats or dogs, and more often than not, they get injured or bruised. It is a usual occurrence that cats receive eye injuries in fights with other cats. After some time, the affected area becomes inflamed, and this process can spread further to the eyeball of the animal. It is also possible that a foreign object got on the eye mucosa, which is also likely to end in severe inflammation. Sometimes, a foreign object can also injure the sclera and cornea, thereby forming a favorable environment for the development of purulent infections.

Moreover, blepharitis can also develop provoked by infected pathogens – bacteria, fungi, viruses. No less dangerous is possibility keratitis, namely corneal inflammation.

Concomitant Symptoms and Causes

As a rule, the manifestation of diseases is not limited to one symptom only. Therefore an attentive pet guardian should also keep eyes open for any other concomitant symptoms.


Worm invasion is characterized by multiple symptoms, depending on the type of a warm, which may also include pus in cat's eyes treatmentpus in cat’s eyes.

The most prominent signs are dullness of wool, lethargic behavior. Disruptions in the workings of a digestive system are also to be expected: alternation of constipation and diarrhea, vomiting, swollen abdomen area, accompanied by a heavy smell from the animal’s mouth. In some cats, one can observe increased appetite, in others a complete rejection of food. And in both cases, the pet loses a significant amount of body weight.

Fungoid Infection

Especially with coccidioidomycosis, dryness and tuberosity of the skin and manifestation of ulcers are the main symptoms. Then fever rises, appetite deteriorates, green pus is visible in the corners of the cat’s eyes. Dyspnea is less common as well as significant lameness. Nervous system disorders are possible.


With conjunctivitis the most prominent symptoms are hyperemia of the eyelids, swelling, copious tearing, photophobism, blurred vision,sometimes even immobility of the eyeball. The  purulent process manifested yellowish or greenish crusts, gluing the eyelids, constantly wet coat in the adjacent area.


  1. pus in cat's eyes helpThe first step is to collect information and perform visual checkup of a cat.It is necessary to determine whether there are other injuries, such as a head injury, cutson the muzzle. Do be sure to consult a veterinary as soon as may be.X-rays of the skull can be performed, if deemed necessary,as well as an ultrasound examination of the affected area.
  2. Next comes local treatment with antiseptic ointments and ophthalmic drops.Anti-inflammatory and antibiotics are used to prevent further development of the pathological microflora. Eye treatment for the disease is carried out with ophthalmic drops.
  3. If the inspection has revealed helminthiasis, comprehensive therapy is necessary. Along with the primary task – the removal of worms from the cat’s body, concomitant symptoms should be taken care of. Anthelmintic drugs that affect all types of parasites are usually prescribes.
  4. A suspected fungal infection is diagnosed by taking blood for laboratory tests – a general analysis and a biochemical test.
  5. Keratitis is treated by the use of broad-spectrum antibiotics. But remember that keratitis is usually only a secondary manifestation of other diseases that need your attention.

Home Treatment

The first aid treatment of conjunctivitis is performed by bathing of a diseased area with a solution of furacilin or a very weak solution of potassium permanganate, dried crusts and pus in cat’s eyes has to be thus removed with great care. Usually, a veterinarian prescribes a complex therapy, which includes local treatment with antibacterial ointment or antibiotic injections. To eliminate the underlying cause, antihistamine and antifungal medicines are used. For supporting the general state of the four-legged patient immunostimulatory drugs and vitamins are also prescribed.

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