Why Is My Cat’s Eye Watering or Producing Discharge?

Describe the change rather than naming an infection

VCA explains that overflowing tears, called epiphora, are a symptom rather than a disease. Excess production and inadequate drainage are both possible explanations. Wet fur beneath the eye or tear staining can accompany the overflow, but those observations do not establish the underlying cause. A cat with discharge needs an assessment of the eye rather than a product chosen simply to remove a stain.

Tell the veterinary team whether one or both eyes are affected, when the change began, and whether it has happened before. Describe the discharge as watery, sticky, crusted, or another plain description. Include whether the amount changes during the day. If you have a photo taken before cleaning, ask whether it would help the clinic understand the pattern; do not delay care to collect one.

Pain or a change in vision needs prompt attention

Cornell lists squinting, frequent blinking, discharge, and a swollen, red conjunctiva among the signs of conjunctivitis; cloudiness, rubbing, or bumping into objects can point to other eye problems. Arrange a veterinary appointment promptly when an abnormality is noticed. Cornell also advises veterinary care for apparent eye discomfort with discharge so that more serious disorders can be ruled out. A watery appearance does not make an uncomfortable eye safe to leave unchecked.

When calling, state clearly if your cat is holding the eye closed or seems unable to see normally. Mention an injury or sudden change in appearance rather than describing only “a runny eye.” Ask how urgently the cat needs examination and which service to use after hours. If the condition changes while you are waiting, update the clinic and ask whether the original appointment timing is still appropriate.

Possible causes extend beyond conjunctivitis

Cornell describes conjunctivitis as inflammation of the membrane associated with the eyelids and eye surface. It can cause watery or thicker discharge, redness, swelling, frequent blinking, and squinting. Infections and environmental irritants are among the possible triggers. Similar signs do not prove that every affected cat has the same organism or will benefit from the same prescription.

Corneal ulcers involve damaged tissue on the clear front surface of the eye. Cornell lists discharge, cloudiness, light sensitivity, squinting, and rubbing among possible signs. VCA also identifies abnormalities of the eyelids or tear drainage as possible contributors to watering. Because these mechanisms differ, a home assumption of “just an infection” can miss a problem that needs another kind of care. The examination determines which possibilities actually fit your cat.

The examination checks the eye and tear system

VCA describes examining the eye and surrounding tissues, with further tests selected to assess tear production, corneal damage, or pressure inside the eye. A drainage assessment may also be relevant. Cornell explains that fluorescein dye can help reveal a corneal ulcer. These tests address questions that cannot be answered by matching the color of discharge to an internet photograph.

Bring your cat’s history of eye episodes and any current medication information. Mention products already used, even if they were sold as gentle cleaners. Ask what the examination shows, whether further testing is recommended, and which findings would warrant a specialist opinion. If the clinician discusses an ongoing drainage issue, ask how a future painful episode should be distinguished from your cat’s usual pattern rather than assuming every recurrence will be identical.

Keep home care gentle and tied to the diagnosis

Seek veterinary advice first; some home remedies can make eye problems worse. If the clinic recommends wiping away discharge, ask how to do it gently with an appropriate clean, damp pad. Do not scrape crusts from the eye or force the eyelids apart. Follow any prescribed eye protection and care instructions rather than adding extra remedies.

VCA advises consulting a veterinarian before using tear-stain products and warns against hydrogen peroxide near the eyes because accidental exposure can cause serious damage. Ask for a practical follow-up plan, including what improvement should look like and when a recheck is needed. Report continued discomfort or a worsening appearance promptly. Clearing discharge from the fur may make the face look tidier, but the underlying eye problem still needs its own assessment and treatment plan.

This page is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your pet.

Eye infections can spread between cats, so wash shared cat beds and keep a cat carrier ready for the vet visit.