Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Will Cat Conjunctivitis Go Away by Itself? Vet-Verified Facts & Info

Woman cleans a cat's eyes

There are a variety of eye infections and issues you may see in your cat throughout their life, and conjunctivitis is one of the most common eye issues that cats get. Conjunctivitis, also sometimes referred to as pink eye, is an eye infection that can be caused by a variety of issues.

At its most simple definition, conjunctivitis is defined by an inflammation of the thin membrane that covers the inside of a cat’s eyelids.

Does conjunctivitis require treatment, though? Does it go away on its own? Well, conjunctivitis does not always require treatment, however, that shouldn’t stop you from seeing a vet. Here’s everything you need to know about conjunctivitis in cats.

divider 2 cats

What Causes Conjunctivitis?

Multiple things can lead to conjunctivitis, but it’s most commonly seen in young cats, cats with depressed immune systems, and cats living in group settings like catteries. Much like children, kittens tend to pass conjunctivitis cases from one to the other until the whole litter has it.

In most cases, conjunctivitis is caused by microorganisms that are naturally present in a cat’s body. Sometimes, a cat’s immune system will overreact to the presence of these natural microorganisms, leading to an inflammatory response.

Allergic conjunctivitis is a form of conjunctivitis that is caused by exposure to environmental allergens and irritants, like dust, pollen, cleaning products, and plants.

The majority of conjunctivitis cases in cats are caused by herpesvirus, calicivirus, Chlamydophila, or mycoplasma. Cats with depressed immune systems, like those with feline immunodeficiency virus and feline leukemia, are at an increased risk of developing conjunctivitis.

Will Conjunctivitis Go Away Without Treatment?

Whether conjunctivitis will go away on its own or not is dependent on the cause of the infection. For bacterial conjunctivitis cases, medications are often required for treatment. For cats with immunosuppression and chronic diseases, like FIV, FeLV, and herpesvirus, conjunctivitis can recur regularly throughout their lives.

In general, eye problems are considered to be something that should be addressed by a vet as quickly as possible. Issues with eyes can quickly go downhill, leading to permanent damage. If your cat is exhibiting any signs of conjunctivitis or other eye issues, then they should be seen by a vet as soon as possible. Your vet will be able to determine if your cat needs to be treated for their conjunctivitis or not.

If you need to speak with a vet but can't get to one, head over to PangoVet. It's an online service where you can talk to a vet online and get the advice you need for your pet — all at an affordable price!

PangoVet_Mention-in-Content for PangoVet2 save money

In complicated cases, a veterinary ophthalmologist may be needed to ensure your cat receives the appropriate treatment.

What Are the Signs of Conjunctivitis?

Due to the inflammation of the conjunctiva, you can expect to see swelling and irritation around your cat’s eyes and eyelids. You may also notice your cat squinting or blinking excessively, as well as not being able to open their eyes fully.

Tearing and eye drainage are also common symptoms. Eye drainage is typically clear, but it may oxidize as it dries, so keep an eye out for brownish or copper-colored drainage.

Sometimes, conjunctivitis is a symptom of other issues, with upper respiratory infections being the most common. Sneezing, coughing, nasal drainage, a poor appetite, and lethargy are often associated with upper respiratory infections.

Close up on Orange Tabby Cat face being held by multiple hands
Image By: Sheila Fitzgerald, Shutterstock

Treating Conjunctivitis in Cats

The entire goal of treating conjunctivitis is to eliminate the infections and any pain that your fur baby is having. Most veterinarians will prescribe a topical eye drop or medicated ointment. All these things should help with inflammation and pain.

With proper treatment, you should expect to see your cat feeling better in 7–10 days. However, longer treatment may be required for more serious cases.

divider 2 cats

In Conclusion

Conjunctivitis is a treatable condition, but it doesn’t always require treatment. This is a common type of eye infection in cats, especially young cats and those with compromised immune systems.

Any eye condition should be seen by a vet to determine the cause of the infection and if it requires treatment. In some cases, conjunctivitis will clear on its own, but your vet will be able to determine if your cat’s case requires treatment or not.

See also: 


Featured Image By: Dora Zett, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.

How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.

Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

Adopting an Adult Cat: Tips for Bringing Them into Your Home

Bringing an adult cat into your home can be a rewarding experience, but it can also bring its own sets of challenges and...

Ragdoll Kittens for Sale in Missouri: Breeders List 2025

Catster advocates for adopting before shopping, though we fully understand there are many reasons for seeking a breeder. So, we encourage it to...

Can Cats Eat Pork Rinds? Vet-Reviewed Facts & FAQ

If you frequently eat pork rinds either as a snack or as part of a meal, you’ve probably experienced your cat wanting some....

How to Handle the Post-Kitten Blues: 4 Cat Care Tips

Kittens are adorable little creatures. If you’re like most people, the process of taking care of a kitten (or an entire litter of...

More related

13 Perfect Gifts for Someone Who Has Lost a Cat

Losing a cat is the most difficult part of having a cat. When you or a loved one loses a beloved friend, time...

How to Care for Your Cat After Spaying or Neutering: 12 Vet-Approved Tips

If you’re bringing home a kitten, spaying or neutering is probably on your to-do list. Spaying is a procedure that prevents female cats...

Why Is My Cat in Heat So Much? Vet Approved Facts & FAQ

If this is your first time living with a queen, or a non-spayed cat, it might surprise you how often they go into...

How to Tell if Your Cat Is Happy: 16 Vet-Reviewed Signs

Some people prefer dogs to cats because dogs are considered easier to read and more demonstrative with their affection. Many cat enthusiasts will...

Keep reading

Can Cats Eat Beef Jerky? Vet-Approved Health and Nutrition Advice

Jerky has been around in human diets for millennia. Civilizations spanning the globe all have methods and recipes for drying and curing meat. It’s a great way to ensure that meat doesn’t spoil and lasts for extended periods. While jerky...

Can Cats Eat Beef Jerky

How Do Cats Greet Each Other? Feline Communication Explained

We know how cats typically say hello to us, but how do they greet each other? Cats say hello to each other by touching their noses, often followed by mutual head-rubbing and sometimes butt-sniffing. This is because cats largely rely...

two cats_Thomas B., Pixabay

How to Tell if a Cat Is Choking: 6 Vet-Reviewed Signs & What to Do

If your cat is choking, you need to ask fast, but before you try to give your cat the Heimlich, you should know what a choking cat looks like. Sometimes, cats look like they’re choking, but they’re coughing up a...

cat is choking

Why Do Kittens Get Worms? How & Treatment Options

Oh no, you’ve recently acquired an adorable kitten, but they have worms! Now, what do you do? Worms are an unfortunate and relatively common occurrence in kittens. While not typically painful, it’s still a somewhat gross problem with which to...

two kittens playing together outdoors

Is Pine-Sol Safe for Cats? Vet-Reviewed Health Facts

Most cat owners are aware of the harmful effects that pine oil can have on cats and avoid using products that contain it. Pine-Sol is a popular multi-surface cleaner, and while it still does have “pine” in its name, most...

Catster_Is Pine-Sol Safe for Cats

Can Cats Eat Salt & Vinegar Chips? Vet-Reviewed Risks & FAQ

Does your cat inch towards you when they hear the crinkle of a chip bag? Felines are nosy creatures that are often intrigued by what they can’t have. This may include salt and vinegar potato chips. While eating a couple...

Can Cats Eat Salt & Vinegar Chips

Why Are Cats Afraid of Water? Vet-Reviewed Facts & Useful Tips

Many cat owners have witnessed the displeasure that some cats derive from getting wet or being doused in water. While some cats like and even love water, for most owners, we really only see whether a cat loves or loathes...

cat staring at water

Can Cats Eat Vanilla? Vet-Reviewed Facts & FAQ

Vanilla, scientific name Vanilla planifolia, is not toxic to cats in its natural form, but it is also not something cats should be eating. As an ingredient, it doesn’t actually add much to the food but flavor, which cats do...

Can Cats Eat Vanilla