Does Your Cat Have Asthma?

If you’ve ever watched your cat crouch low, stretch their neck out, and make a sound somewhere between a cough and a wheeze, you know how alarming it can be. That posture is one of the hallmark signs of feline asthma, a chronic inflammatory condition that affects roughly 1 to 5% of cats. It’s manageable, but it does need a diagnosis and a plan. Here’s what you need to know.

Signs of cat asthma: what to look for

Asthma in cats doesn’t always look dramatic, especially early on. But there are a few things you’ll likely notice if your cat is dealing with it.

• Wheezing: A high-pitched whistling sound when your cat breathes, especially when exhaling.
• Coughing or hacking: Often looks like they’re trying to bring up a hairball, but nothing comes up.
• Hunched posture with neck extended: During an attack, cats typically crouch low to the ground and stretch their neck forward, trying to get more air in.
• Rapid breathing or open-mouth breathing: Cats don’t normally breathe through their mouth. If yours is, that’s a red flag.
• Increased breaths per minute: A healthy resting cat takes 15–30 breaths per minute. More than 30 at rest is worth a vet call, and over 60 is an emergency.
• Difficulty breathing or labored effort: You might notice their sides heaving more than usual, or see their belly moving with each breath.

Symptoms can range from mild and occasional to sudden and severe. A bad episode is called a cat asthma attack, and it can escalate quickly. If your cat is struggling to breathe, get to a vet right away.

What causes cat asthma

Feline asthma is triggered by allergens, things in the environment that set off an immune overreaction in the airways. The most common culprits are things you’d find in most homes: dust from cat litter (especially clay or scented varieties), cigarette smoke, air fresheners, candles, aerosol sprays, pollen, mold, household cleaning products, and dusty bedding or carpets. If it’s airborne and irritating, it can potentially trigger a flare.

Some cats are more prone to asthma than others. Siamese cats, in particular, have a suspected predispostion to the condition. Chronic bronchitis (long-term airway inflammation) can also overlap with or worsen asthma in cats, making it trickier to manage.

Cat asthma vs. hairball cough: how to tell them apart

This is one of the most common points of confusion for cat owners, and for good reason. Both can look like hacking, gagging, or retching. But they’re different, and the difference matters.

• Posture: Hairball coughing usually involves a cat standing or crouching with their head down. Asthma attacks typically involve that distinctive low crouch with the neck extended forward and elbows out, like they’re trying to stretch their airway open.
• Sound: Hairball sounds are wet and productive, like something is working its way up. Asthma wheezing is dry, high-pitched, and often has a whistling quality.
• Outcome: With a hairball, something usually comes up eventually. With asthma, nothing is produced. The coughing just stops (or doesn’t).
• Duration and frequency: Hairball coughing tends to be occasional and short. Asthma symptoms can be recurring, and attacks can last several minutes.
• Breathing between episodes: A cat with asthma may breathe faster or more shallowly even when they’re not actively coughing. A hairball cat is typically fine in between.

If you’re not sure which one you’re dealing with, film an episode on your phone and show it to your vet. It’s one of the most useful things you can bring to an appointment.

How vets diagnose feline asthma

There’s no single test that confirms asthma in cats. Vets typically diagnose it by ruling out other causes of breathing problems, including heart disease, heartworm, respiratory infections, and chronic bronchitis.

The diagnostic process usually starts with a chest X-ray, which looks for the classic signs of airway inflammation and helps rule out other conditions. If more information is needed, your vet may recommend a bronchoscopy, where a small camera is used to look directly inside the airways and collect a sample of cells from the lungs for testing. Blood and fecal tests help rule out parasites, infections, or other systemic issues that could be causing or contributing to the symptoms. Sometimes, if a cat improves quickly with asthma medication, that response itself supports the diagnosis.

Cat asthma treatment: what your vet may recommend

The two mainstays of cat asthma treatment are corticosteroids and bronchodilators, and most cats need both.

• Corticosteroids (also called glucocorticoids) reduce the airway inflammation that makes breathing hard. These are anti-inflammatory medicines, similar in concept to what humans use for allergies or asthma. They can be given as pills, injections, or inhaled directly into the lungs.
• Bronchodilators relax the muscles around the airways and help open them up during an attack. Think of them as the rescue medication, the thing that buys your cat relief fast.

Inhaled corticosteroids are increasingly preferred because they deliver medication directly to the lungs with fewer side effects on the rest of the body. To use an inhaler with a cat, vets often recommend a spacer device called AeroKat, a small mask-and-chamber system designed specifically for cats. It takes some training to get your cat comfortable with it, but it’s very doable.

Cat asthma treatment cost varies depending on the severity of the condition and whether your cat needs regular medication, emergency visits, or ongoing diagnostics. Inhalers, spacers, and vet visits can add up quickly, especially for a chronic condition.

Reducing triggers at home matters too. Switching to a low-dust, unscented cat litter is one of the most practical steps you can take. Avoid smoking indoors, cut back on aerosol sprays, and consider an air purifier if you haven’t already.

Does pet insurance cover cat asthma?

Yes, a Lemonade accident and illness policy can help cover eligible costs related to feline asthma, including diagnostics, medications, and inhaler treatments, as long as the condition isn’t pre-existing. That means your cat shouldn’t be showing any signs or symptoms of asthma before your policy starts or during your waiting period. Once asthma is documented in your cat’s medical records, a new policy won’t cover it going forward.

If your cat is healthy right now and not showing any respiratory symptoms, this is the right time to get coverage in place. Chronic conditions like asthma are exactly what pet insurance is built for, and enrolling early is what makes it actually work when you need it.

Before we go

Feline asthma is manageable, and most cats with the right diagnosis and treatment plan go on to live comfortable, full lives. The key is catching it early, staying on top of triggers at home, and working closely with your vet. If your cat isn’t already covered, now is a good time to look into it. Get a quote with Lemonade in minutes.

Frequently Asked Questions

A few quick words, because we <3 our lawyers: This post is general in nature, and any statement in it doesn’t alter the terms, conditions, exclusions, or limitations of the policies issued, which differ according to your state of residence. You’re encouraged to discuss your specific circumstances with your own professional advisors. The purpose of this post is merely to provide you with info and insights you can use to make such discussions more productive! Naturally, all comments by, or references to, third parties represent their own views, and Lemonade assumes no responsibility for them. Coverage may not be available in all states. Please note that statements about coverages, policy management, claims processes, Giveback, and customer support apply to policies underwritten by Lemonade Insurance Company or Metromile Insurance Company, a Lemonade company, sold by Lemonade Insurance Agency, LLC.  The statements do not apply to policies underwritten by other carriers.