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.

Why Is My Cat Sneezing All of a Sudden? 6 Vet-Reviewed Reasons

tabby cat sneezing

Has your beloved feline friend suddenly started sneezing as if there’s no tomorrow? Cats sneeze for various reasons. Your kitty could have gotten wind of something that is disrupting their delicate sense of smell, or they are allergic to something in their environment. Either way, intermittent sneezes are typically not a major cause for concern unless your pet also starts avoiding food, losing weight, or becoming lethargic.

While benign nasal polyps or a malignant tumor could be underlying causes of spontaneous sneezes, keep reading to discover six common reasons that your cat might be sneezing all of a sudden.

divider cat faces 2 oct 2024

The 6 Possible Reasons Your Cat Is Sneezing All of a Sudden

1. Upper Respiratory Viral Infections

Cat sneezes
Photo Credit: ZlataMarka, Shutterstock

Cats, just like people, can suffer from upper respiratory viral infections. Cats that have recently been adopted from shelters or have been hospitalized and exposed to other cats are particularly susceptible to these infections. The most common culprits include feline herpes virus and feline calicivirus, both of which cause kitties to get stuffy and sneeze.

As a general rule, there’s not much you can do to “cure” a feline upper respiratory viral infection. Your companion’s body will need to do the work; it’s no different from the misery that ensues when you catch a cold and have to deal with a clogged nose and scratchy throat until your body gets into gear and takes care of business. Vaccinating your pet is the best way to prevent respiratory illnesses from developing.

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


2. Bacterial Infections

Bacteria can also cause sneezing, nasal discharge, and watery eyes associated with upper respiratory infections. In fact, it’s pretty common for upper respiratory infections to start as common viral issues and then progress into bacterial infections as your cat’s nasal and sinus passages become inflamed. Bacterial infections are often accompanied by fever and may require systemic antibiotics to resolve.

Bacterial dental infections are a common cause of sneezing in cats. Cats with serious dental issues often suffer inflammation that extends into the nasal and sinus cavities, causing sneezing and other signs that often resemble upper respiratory infections.


3. Allergies & Irritants

cat smelling a sunflower
Photo Credit: scarlett1991, Pixabay

Just like humans, cats often sneeze when exposed to substances that irritate delicate nasal and sinus membranes like smoke, perfume, and mold. But some kitties have specific allergies. Cats can be allergic to a particular food or pollen or even something in their cat litter.

Keep in mind, however, that cats are far less likely to sneeze in reaction to allergens than humans. Cats suffering from allergies will typically spend time scratching and licking as well. Kitties with food allergies are notorious for removing large swaths of fur from their abdominal area and back while attempting to relieve the pruritus (itchy feeling) associated with a food allergy.


4. Nasal & Sinus Issues

Your cat can suffer from rhinitis and sinusitis, which are conditions in which the lining of the nasal passages and sinuses end up irritated and inflamed. These often occur as a result of an upper respiratory infection. Common signs include difficulty breathing, snoring, and ocular discharge. Treatment is usually straightforward and often involves basic supportive care, such as nasal washes, antibiotics (or antifungals, depending on what is determined to be the cause), and occasionally, decongestants.


5. Chronic Upper Respiratory Infections

a ginger cat sneezes
Photo Credit: Ihtar, Pixabay

If your cat has repeated sinus infections or upper respiratory illnesses, they can have chronic upper respiratory issues. The signs are often the same as what you see with viral and bacterial infections like rhinitis and sinusitis. Most veterinarians consider a cat’s upper respiratory illness chronic when it lasts for a few months or regularly comes back after treatment. Advanced diagnostics may be needed to isolate the specific pathogen and determine if a longer course or change in antimicrobial is needed to combat the illness, should signs last more than a few weeks.

Cats infected with viruses, such as feline herpes virus, often have relapses, particularly when stressed, so it is best practice to keep them as calm and comfortable as possible at home.


6. Foreign Bodies

Because cats understand the world largely through their sense of smell, they can sometimes get objects stuck in their noses after taking a sniff of a novel plant, person, or object. Blades of grass and other plant matter are usually the biggest culprits. Kitties are generally able to get rid of things like the occasional grass clipping or bits of pollen naturally.

If your cat doesn’t seem to get any relief and the foreign object seems stuck, contact your veterinarian for help. Home remedies can often do more harm than good in these situations. Treatment often requires light sedation to permit the irrigation of your pet’s nasal passages or the removal of the offending object with forceps (possibly with the aid of rhinoscopy). Your veterinarian may prescribe antibiotics to prevent infection and medication to soothe your cat’s irritated nasal passages.

divider cat faces 2 oct 2024

Final Thoughts

Cats can sneeze for a variety of reasons, including allergies and infection. Either way, it’s good to know that cat sneezes aren’t usually a cause for concern as long as your cat’s nose isn’t producing thick yellow or bloody mucus. It’s best to contact your companion’s veterinarian if your cat’s condition doesn’t improve in 1–3 days or if you suspect that your four-footed friend has a foreign object stuck in their nose. Remember that early intervention of a suspected upper respiratory infection is often the best way to prevent it from becoming a larger problem down the road.

Related Reads: 


Featured Image Credit By: Jupiter_79, Pixabay

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

When Do Kittens Calm Down and Begin to Mature? FAQ & Tips

Kittens can be downright crazy, and any cat lover knows it is true, regardless of how cute their little faces are. It seems...

Is Sandalwood Incense Safe for Cats? Vet-Verified Facts and Safety Guide

Sandalwood incense is a common way for people to freshen up their homes and keep their living areas smelling nice. However, it isn’t...

Can Cats Eat Rotisserie Chicken? Vet-Approved Risks & FAQ

Rotisserie chicken is a delicious and versatile food that many humans regularly consume. Just the smell of fresh, warm rotisserie chicken brings most...

Cyril ❤️ Alex: A Valentine’s Day Love Story

Hi, I’m Dr. Karyn! Read my introduction to learn more about me and meet my five hilarious cats: Clutch, Cyril, Alex, Zelda, and...

More related

Does My Cat Hate Me? Signs, Causes & What to Do About It (Vet-Verified)

Cats don’t really feel hatred, but they can be scared, irritated, stressed, anxious, or even in pain. And these states of mind can...

Where Did Smurf Cat Come From? Explaining the Internet Meme

While cat memes are no stranger to the internet, the Smurf Cat has left many feeling confused and scratching their heads about how...

Does Dry Cat Food Cause Urinary Problems? Vet-Reviewed Precautions & Prevention Tips

You may have read conflicting information about whether or not dry cat food causes urinary problems. The truth is, urinary problems are the...

Should You Hire a Cat? Nationwide Working Cat Programs Offer Furry Pest Control

Many of us are used to cats of leisure, who while away their days napping in the sunshine, indulging in catnip, and playing...

Keep reading

Are Snake Plants Toxic to Cats? Vet Approved Facts & FAQ

Snake plants are charming, large-leafed plants that look stunning in almost any home setting. But sometimes when we mix plants and our household pets, it can be a recipe for trouble. Can you really blame them—look at how they bend!...

Catster_Are Snake Plants Toxic to Cats

Why Is My Cat Suddenly a Picky Eater? 7 Vet-Reviewed Reasons

Cats are known to be relatively pickier than most animals out there. In a way, this helps them stay alive. They aren’t prone to eating things that they shouldn’t (usually), which would help them stay alive in a natural setting....

cat not eating

Are British Shorthair Cats Hypoallergenic? Is It Possible? Vet-Approved Science & Info

British Shorthair cats are sweet, round-faced beauties known for their loyal personalities and muscled bodies. While gray British Shorthair kitties often get the most attention, these cats come in shades of black, golden, and even smoke. They’re also usually very...

Happy kitten likes being stroked by woman's hand

Do Cats Gain Weight in the Winter? Vet Approved Advice

Humans tend to gain weight in the winter because it’s much harder to get your daily exercise when stepping outside might cause you to slip, fall, and eat the icy pavement. Cats also tend to gain weight during the winter,...

Neva Masquerade cat in the snow

Why Do Cats Roll in Catnip? 5 Common Reasons

Most cats love catnip. There might be nothing more adorable than the concentrated energy cats bring to every interaction involving this powerful plant. But after watching your cat enjoy losing themselves in a good catnip high, you might be curious...

cat smelling catnip

Is Dawn Dish Soap Safe for Cats? Bath Tips & Soap Alternatives

You’ve doubtlessly heard that cats usually bathe themselves, but they can’t take care of everything. If they get mucked up with mud, for example, they’ll need a real bath and not just their tongues. The problem with cats being seen...

Catster_Is Dawn Dish Soap Safe for Cats

Breakaway Collars Guide: Vet Reviewed Uses, Safety & Advice

No cat owner wants to consider the possibility of their kitty getting lost, but it’s always better to be prepared for the worst-case scenario. If your cat escapes your house or yard, you want to make it easy for anyone...

Breakaway Red Collar Cat

How Long Do Obese Cats Live? Vet Approved Facts & Health Tips

It’s easy for your cat to become obese. They’re too adorable when they beg for food with those big eyes. However, obesity can drastically affect your cat’s lifespan. While healthy cats have been known to live into their 20s, obese...

white-cat-laying-on-the-animal-scales-while-the-male-vet-measure-weight_Odua-Images_Shutterstock