HEALTH · 8 min READ

Why are my cat’s eyes watering?

A small amount of clear tearing can follow mild irritation, but squinting, pain, cloudiness, redness, injury or coloured discharge needs prompt veterinary attention because eye problems can worsen quickly.

By EverYes Cats editorial team · Source checked 20 August 2026

Real cat-parent perspectivePractical steps includedNamed sources

Editorial guide image for Why are my cat’s eyes watering?

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QUICK ANSWER

Why are my cat’s eyes watering — the quick answer

✓ Clear tears without discomfort can be monitored briefly; squinting, cloudiness, redness or discharge should be assessed.

✓ Prevent rubbing, keep the cat indoors and wipe only the surrounding fur with clean damp cotton.

✓ Same-day advice is sensible for squinting, pain, cloudiness, injury or a closed eye; sudden vision loss is urgent.

Clear tears without discomfort can be monitored briefly; squinting, cloudiness, redness or discharge should be assessed. This guide separates the quick answer from the details that actually help at home, with no blame and no dramatic guessing.

VISUAL GUIDE

Check watery eyes without delaying care

Eye problems can worsen quickly. Observe gently, clean only the surrounding fur and arrange care for pain or visible eye changes.

Three calm watery-eye stages showing observation of both eyes, gentle cleaning of damp fur below the eye and a low-stress veterinary eye examination

1
Compare both eyes
In good light, note squinting, redness, cloudiness, pupil size and the colour and amount of discharge without forcing the lids open.
2
Clean only the nearby fur
Use clean damp material to wipe below the eye, use a separate piece for each side and never apply human or leftover eye medication.
3
Call for painful or changed eyes
Seek prompt veterinary advice for squinting, a closed eye, marked redness, cloudiness, injury or coloured discharge.

Illustrated guide · Always adapt handling to your individual cat.

The short answer

Clear tears without discomfort can be monitored briefly; squinting, cloudiness, redness or discharge should be assessed. Eye problems can worsen quickly and causes are difficult to separate at home. A scratch and an infection may begin with similar signs. The useful question is not simply whether something can happen, but what is normal for this individual cat and what has changed. Age, health, routine and previous experience can all change the safest answer.

What you can do today

Prevent rubbing, keep the cat indoors and wipe only the surrounding fur with clean damp cotton. Keep the first step small and easy to reverse. A calm cat gives clearer information than a cat who has been chased, restrained or presented with several changes at once. If the situation is not urgent, give the adjustment enough time to judge fairly.

What to watch

Compare both eyes and note blinking, pupil size, cloudiness, colour and light sensitivity. Write down the time, frequency and what happened immediately before and after. Include appetite, drinking, litter-box use, movement and social behaviour when relevant. A photo or short video can help a veterinarian understand an intermittent sign, provided recording does not delay care.

What not to do

Do not use human eye drops or old veterinary medication. Online tips can sound confident while missing the cat’s medical history, exact exposure or stress level. Avoid adding several remedies at once, because that makes both improvement and deterioration harder to interpret.

When to contact a veterinarian

Same-day advice is sensible for squinting, pain, cloudiness, injury or a closed eye; sudden vision loss is urgent. Cats often hide pain, so a persistent small change may be more meaningful than one dramatic-looking moment. Difficulty breathing, collapse, seizures, suspected poisoning, uncontrolled bleeding or repeated straining with little or no urine requires emergency help.

A kind next step

Start with the simplest safe action from this guide and let your cat set the pace. Keep familiar food, water, litter and resting places available. Recheck the situation after the next normal routine point—a meal, nap, play session or litter visit—and compare it with your notes rather than memory alone.

Check both eyes without forcing them open

Compare tear colour, redness, pupil size, cloudiness, blinking and whether one eye stays partly closed. Note sneezing, nasal discharge, rubbing and recent dust, grooming products, play or trauma. Wipe only the surrounding fur with clean damp material and use a separate piece for each eye.

Know which eye signs cannot wait

Seek same-day veterinary advice for squinting, pain, marked redness, a closed eye, coloured discharge or suspected scratch. Sudden vision change, an obviously injured or bulging eye, severe cloudiness or unequal pupils with illness or neurological signs can require emergency care. Never use human drops or leftover medication.

SAVE THIS

Your quick checklist

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Compare both eyesNote discharge colourDo not use human eye dropsArrange same-day care for pain or squintingTreat sudden vision change as urgent

TRY THIS AT HOME

Three simple things you can do

You do not have to change everything today. Pick one step that feels realistic, try it and see how your cat responds.

1Compare both eyes for redness, squinting, cloudiness and pupil differences.
2Wipe tears gently with separate clean damp material for each eye.
3Arrange prompt care for pain, one-sided change, coloured discharge or an eye held closed.

AVOID THIS

Common mistakes

×Using human eye drops.

×Calling squinting simple tears.

×Reusing old prescription medication.