Treat it as urgent — a cat with an eye injury or a suddenly painful, red, cloudy, or weepy eye should be seen the same day, because eyes can worsen and lose vision quickly. Cat-fight scratches and infections are common and can turn into painful ulcers. Some situations are true, go-now emergencies: **an eye bulging out of the socket, a chemical splash, a penetrating injury, or sudden severe pain with a very red or cloudy eye.** When you're unsure, have it checked promptly — eye problems rarely fix themselves.
## Signs an eye needs prompt care - Squinting, holding the eye shut, or pawing/rubbing at it. - Redness, cloudiness, or a hazy blue look to the surface. - Excess tearing, coloured discharge, or a swollen third eyelid across the eye. - A visible scratch, foreign object, or wound — common after a cat fight. - A pupil that looks different from the other eye, or bumping into things (sudden vision loss).
## True emergencies — go now - The eyeball is bulging or out of the socket — keep it moist with saline or a clean damp cloth and go immediately. - A chemical or irritant splashed in — gently flush with lukewarm water or saline for several minutes on the way to the vet. - A penetrating injury or an object stuck in the eye — don't remove it; protect the eye and go. - Sudden severe pain with a very red or cloudy eye.
## What not to do Never use human or leftover eye drops (some can seriously worsen certain conditions), don't let your cat rub the eye (a cone helps), and don't try to remove an embedded object. Because cats hide pain, an eye that's obviously bothering your cat is worth prompt attention. Note that eye signs can also come with feline viral infections, which a vet can diagnose and treat.
Get to a vet immediately if you see any of these
- The eyeball is bulging or out of its socket
- A chemical or irritant splashed into the eye
- A penetrating injury or an object stuck in the eye
- Sudden severe pain with a very red or cloudy eye
- Sudden apparent blindness or a very different-looking pupil
Common questions
My cat has a weepy, squinty eye after a fight — how urgent is it?
Have it seen the same day. Cat-fight scratches commonly cause painful corneal ulcers or infections that worsen quickly. Prevent rubbing and avoid any drops until a vet examines it.
Can I use human eye drops on my cat's sore eye?
No. Some eye drops can seriously worsen certain conditions, such as steroid drops on an ulcer. Only use medication a vet prescribes for the specific problem.
My cat's third eyelid is showing across its eye — is that serious?
A visible third eyelid can signal eye pain or illness and warrants a prompt vet visit, especially with squinting, redness, or discharge.
Sources
This page is general guidance, not veterinary advice, and cannot diagnose your pet. It does not replace an examination by a licensed veterinarian. When in doubt, treat it as an emergency and contact a vet or your nearest 24/7 emergency clinic right away.
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