Cat Hairballs: Why They Happen and How to Help Your Cat

Few sounds will get a cat owner out of bed faster than that distinctive hacking, gagging, retching noise at 3 a.m. — the unmistakable lead-up to a hairball. It's gross, it's noisy, and it can be alarming the first few times you hear it. Occasional hairballs are a normal part of cat life, but frequent or painful ones are a sign your cat could use some help. Here's what's actually happening in your cat's stomach, and what you can do at home to make hairballs rarer and easier on everyone.

What Actually Is a Hairball?

Despite the name, a hairball usually isn't a tidy round ball at all. Most are tube-shaped, because they form by being pushed up through the long, narrow esophagus. The medical term is a “trichobezoar” — a wad of swallowed fur mixed with digestive fluids and sometimes a little food. Cats swallow fur every time they groom themselves; their barbed tongues catch loose hairs and direct them straight into the digestive tract. Most of that fur passes harmlessly through the gut and out the litter box. Hairballs happen when too much fur accumulates in the stomach to move on, and the cat coughs the wad back up instead of passing it through.

Why Do Cats Get Hairballs in the First Place?

Some cats are simply more prone to hairballs than others. Long-haired breeds like Persians, Maine Coons, and Ragdolls swallow far more fur during grooming than short-haired cats do. Cats also shed more during seasonal coat changes — typically spring and fall — which means more fur on the tongue and more fur heading to the gut. Older cats sometimes groom more obsessively when they're uncomfortable, and over-groomers (often anxious or itchy cats) ingest extra fur as well. Even your cat's hydration and digestive motility play a role: a well-hydrated, fiber-fed cat moves fur through the system far more efficiently than one on a dry-food-only, low-water diet.

Every cat is a little different — if you notice your cat retching repeatedly without producing anything, losing weight, or going off food, please loop in your vet to rule out an intestinal obstruction or another GI issue that needs hands-on care.

Brushing: Your Best Defense Against Hairballs

The fur a cat doesn't swallow is fur that can't become a hairball, which makes regular brushing the single most effective home strategy against hairballs. Our Luxury Dog and Cat Brush is built for exactly this kind of work — its thoughtful design captures loose undercoat and detangles longer guard hairs in a single pass, so you spend less time wrestling with mats and more time bonding. For short-haired cats, two brief sessions per week is usually plenty. For long-haired breeds, a daily five-minute session during shedding season can dramatically reduce hairball frequency. Most cats grow to enjoy brushing once it becomes part of a calm routine; pair it with treats or a few minutes of play afterward to turn it into a moment your cat actually anticipates.

These brushing frequencies are starting points based on a healthy adult cat — your vet or a professional groomer can dial in the exact schedule for your cat's coat type, age, and any skin conditions they may have.

Diet, Hydration, and Daily Habits That Help

Beyond grooming, what your cat eats and drinks matters more than most owners realize — and keeping a written record of those habits is one of the best ways to spot what's actually working. Our My Pet Journal gives you 248 hardcover pages dedicated to tracking your pet's life, with sections that fit perfectly for noting hairball frequency, food changes, water intake, and grooming schedules. From there, look for foods that include moderate fiber and omega-3 fatty acids — fiber helps move fur through the gut, and omega-3s support a healthier coat that simply sheds less. Keep multiple fresh water sources around the house (a circulating fountain often encourages drinking), and consider mixing wet food into the rotation if your cat is a dry-food devotee. Some owners also offer small amounts of plain canned pumpkin or cat-specific hairball-control treats as a gentle fiber boost.

When to Call Your Veterinarian About Hairballs

A truly healthy cat should have at most one or two hairballs a month. More frequent than that — or any of the following signs — warrants a vet visit: repeated unproductive retching that lasts more than a day, vomiting that contains blood or yellow bile, refusing food for more than 24 hours, unusual lethargy, a hard or distended belly, or constipation. These can signal an intestinal blockage, which is a medical emergency. Skin issues, parasites, anxiety-driven over-grooming, or thyroid changes can also drive up hairball frequency, so even chronic but non-emergency hairballs deserve a check-up to figure out what's actually going on.

Talk to your vet before adding any hairball-control supplements, fiber boosters, lubricant gels, or new treats to your cat's routine — even gentle additions can interact with existing GI conditions or medications your cat is already on, and the right choice depends on your cat's full health picture.

Check out our luxury pet products at reasonable prices. Visit our “Royal Pet Box Pet TV” Channel on both Roku and YouTube for fabulous pet-related education and entertainment.

Paris Deesing holds a degree in Biological Anthropology from UCLA. Her articles draw on careful research and a long-held curiosity about the animals who share our lives.