Why does my cat have watery eyes?
Watery eyes in a cat are usually caused by mild irritation — dust, a draught, or a common cold-like infection — and settle within a few days on their own. It is worth a proper look when it affects one eye only, when it comes with obvious discomfort, or when it does not clear up, since the same symptom can also point to something that needs treating.
Usually not urgent
This is common and often manageable at home — but see a vet if it persists, gets worse, or comes with other changes.
The short answer
A bit of watering in one or both eyes, especially after a sneeze or in a draughty spot, is common in cats and often clears on its own within a few days. It becomes more of a concern when it persists, worsens, or comes with other signs such as squinting or discharge, particularly in a cat who is normally dry-eyed.
Cats with flatter faces, such as Persians, are more prone to ongoing watery eyes simply because of their facial structure, and a small amount of daily watering can be normal for these breeds rather than a sign of a new problem, though it is still worth mentioning at a routine check-up.
Common causes
Mild irritation from dust, pollen or a draught is one of the most common causes and usually affects both eyes evenly. Cat flu and other upper respiratory infections are also frequent culprits, often alongside sneezing or a bit of nasal discharge, and are especially common in kittens and cats from multi-cat households or shelters, where infections pass between cats more easily.
Conjunctivitis, an inflammation of the pink tissue around the eye, produces more obvious watering along with redness, and a blocked tear duct or an eyelash growing in the wrong direction can cause persistent watering in one eye specifically, without much else looking wrong. A scratch from another cat or from rough play is also worth considering if the watering started suddenly in a single eye.
Red flags
See a vet if the discharge turns yellow or green, if your cat is keeping the eye closed or pawing at it, if the eyeball looks cloudy or has a visible lump, or if the watering is paired with sneezing, lethargy or a reduced appetite.
One eye that is clearly worse than the other, or that gets progressively worse rather than better over a couple of days, is also worth having checked rather than waited out, particularly in a kitten or an older cat.
What to do at home
For mild, occasional watering with no other symptoms, gently wiping away any discharge with a soft, damp cotton pad — a fresh one for each eye — is usually all that is needed, done away from the eye rather than directly on it.
Do not use any human eye drops or attempt to flush the eye yourself beyond a gentle wipe. If the watering has not settled within a couple of days, or gets worse at any point, book a vet appointment rather than continuing to manage it at home.
Reducing everyday triggers
If dust or a draught seems to be the pattern, moving your cat's favourite resting spot away from a draughty window or an air vent can make a genuine difference, as can vacuuming and dusting a little more often in a household with cats who spend a lot of time on soft furnishings.
Cigarette smoke, strong cleaning sprays, air fresheners and scented candles are worth reviewing too if watering seems to track alongside their use, since cats are considerably more sensitive to strong airborne scents than people are. None of this is a guaranteed fix, but it is a reasonable, low-effort thing to try before assuming a persistent low-level watering needs anything more involved.
What can help
A gentle, cat-safe tear-stain remover is useful for keeping the fur around the eyes clean in a cat prone to ongoing mild watering, particularly flat-faced breeds where a little staining is a regular occurrence rather than a one-off.
Keeping the fur trimmed around the eyes reduces how much debris collects there in the first place, which is a sensible everyday step for a cat who waters more than most, alongside — not instead of — getting a new or worsening symptom checked.
What can help
Things we stock that owners commonly use alongside a vet’s advice — not a substitute for it.
Pet Head Hair Mist Peony & Cashmere
Pet Head Hair Mist Peony & Cashmere is listed in our dog clothing range for pets. The page brings together the available option labels and the product facts that can be checked, so unsupported claims are left out.
£8.99
Petkin Shampoo-Filled Pet Bath Sponges, 5 Pack
Shampoo-infused bath sponges for dogs and cats, 5 to a pack
£6.99
Petkin Big N Thick Pet Wipes
Petkin Big n' Thick pet wipes, 100 heavy-duty wipes for daily face, ear, eye and body cleaning
£7.99
Bugalugs Ear Wipes
100 pre-soaked, fully biodegradable ear wipes for a dog's regular ear routine
£10.99
Common questions
- Is it normal for cats to have watery eyes?
- A small amount, especially in flat-faced breeds or after a sneeze, can be normal. Persistent watering, watering in one eye only, or watering alongside redness, discharge or discomfort is not something to consider routine and is worth having checked.
- Can watery eyes in cats be contagious?
- If the cause is an upper respiratory infection such as cat flu, yes, it can spread to other cats through close contact or shared bowls and bedding. Keep an affected cat away from others in the household where practical and speak to your vet about treatment.
- Why does my cat have watery eyes but seems otherwise fine?
- Mild irritation from dust, a draught or a facial structure that predisposes to some watering, particularly in flat-faced breeds, can cause this without your cat being unwell. If it persists beyond a few days or changes, get it checked rather than assuming it is nothing.
- Should I clean my cat's watery eyes myself?
- A gentle wipe with a soft, damp cotton pad, moving away from the eye and using a fresh pad for each side, is fine for mild everyday watering. Avoid any human eye products, and see a vet if the discharge changes colour or your cat seems uncomfortable.
Related
Sources
Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.