Keywords: cat eye infection, cat conjunctivitis, red swollen eye cat, watery eyes in cats, feline eye problems, cat eye discharge

👁️ What Is Conjunctivitis in Cats?

Conjunctivitis — also known as “pink eye” — is one of the most common eye problems in cats. It occurs when the conjunctiva, the pink membrane lining the eyelids and the white part of the eye, becomes inflamed.

Just like in humans, feline conjunctivitis can cause red, swollen, watery, or irritated eyes. It can affect one or both eyes, and it’s often a symptom of an underlying condition rather than a standalone disease.

🔍 Symptoms of Cat Conjunctivitis

Watch for these telltale signs:

• 👁️ Red or swollen eyelids
• 💧 Watery or thick eye discharge (clear, yellow, green)
• 🙈 Squinting or holding the eye closed
• 🖐️ Pawing or rubbing the eyes
• 🌡️ Sensitivity to light (photophobia)
• 👃 Sneezing or nasal discharge (if caused by a viral infection)

If your cat has red, watery eyes along with any of these symptoms, conjunctivitis is a likely cause — but not the only one.

🧪 What Causes Conjunctivitis in Cats?

There are two main types: infectious and non-infectious. Here’s what might be behind your cat’s eye issues:

🦠 Infectious Causes

• Feline herpesvirus (FHV-1): A leading cause of viral conjunctivitis. It’s very common in shelter cats or kittens.
• Feline calicivirus: Another common virus that can trigger upper respiratory and eye infections.
• Chlamydophila felis: A bacterial infection that causes chronic conjunctivitis.
• Mycoplasma: A bacterium that can worsen eye irritation or cause secondary infections.

🌿 Non-Infectious Causes

• Allergies: Dust, pollen, smoke, or scented products can irritate the eyes.
• Foreign objects: Small particles like dust, fur, or plant debris can get trapped in the eye.
• Trauma: Scratches from play or rough rubbing can inflame the eye tissue.
• Dry eye or blocked tear ducts: Can lead to irritation and discharge buildup.

🩺 When Should You Take Your Cat to the Vet?

If your cat’s eye is red, swollen, or has persistent discharge for more than 24–48 hours, it’s best to consult a veterinarian. Eye problems can worsen quickly if left untreated.

Call your vet immediately if:

• 🧪 The discharge is thick, yellow, green, or bloody
• 🙀 Your cat can’t open its eye or is constantly pawing at it
• 👀 The eye appears cloudy or the third eyelid is visible
• 🚫 Appetite drops or other systemic symptoms develop
• 😿 It’s a kitten or senior cat — their eyes are more vulnerable

🔬 How Do Vets Diagnose Conjunctivitis?

At the clinic, your vet may perform:

• 🩺 A full physical exam
• 👁️ Eye staining (fluorescein) to check for corneal ulcers
• 🧫 Swabs to test for viruses or bacteria
• 🧬 Tear production tests (for dry eye)
• 📸 Digital imaging in complex or chronic cases

Proper diagnosis ensures the right treatment plan, especially if an underlying infection is involved.

💊 How Is Cat Conjunctivitis Treated?

Treatment depends on the cause, but may include:

• 💧 Antibiotic eye drops or ointments: For bacterial infections like chlamydia or mycoplasma.
• 💊 Antiviral medications: For cases linked to feline herpesvirus (FHV-1).
• 🌿 Allergy management: Removing irritants, using feline-safe antihistamines (only with vet guidance).
• 🧴 Eye flush or saline rinses: To soothe and clear mild irritations.
• 🩺 Oral medications: For more serious infections or when eye drops aren’t enough.

⚠️ Caution: Never use human eye drops or leftover pet medication without a vet’s approval.

🏠 Home Care Tips for Cats with Eye Irritation

• 🧽 Gently clean around the eyes using a warm, damp cloth
• 💧 Use vet-prescribed saline or eye drops as directed
• 🚫 Keep your cat indoors to avoid dust and allergens
• 🛏️ Provide a stress-free environment — stress can worsen viral outbreaks
• 🧼 Regularly clean food/water bowls and bedding

🙋 FAQ: Cat Eye Redness and Tearing

Is eye discharge in cats always a sign of infection?

Not always. Clear discharge may be caused by irritants or allergies, while yellow/green suggests infection.

Can conjunctivitis in cats go away on its own?

Mild cases might resolve, but most require treatment — especially if caused by viruses or bacteria.

Is feline conjunctivitis contagious?

Yes, infectious types like feline herpesvirus or chlamydia can spread between cats. Keep sick cats isolated.

Can I use human eye drops on my cat?

No — never use human medication unless your vet specifically prescribes it.

📝 Final Thoughts

A red, teary eye in your cat could be as simple as irritation — or a sign of something more serious like conjunctivitis or infection. Early action can prevent pain and long-term vision issues.

If your cat’s eye symptoms last more than a day, worsen, or are paired with other health problems, don’t wait. Contact your vet to get the right diagnosis and relief.

Got questions or want to share your cat’s eye health story? Leave a comment below — we’re here to help fellow cat lovers! 🐾