The Sound We All Dread: Why Cats Get Hairballs and How to Help Them

Cats get hairballs because their barbed tongues collect loose fur during grooming, and what isn’t passed through the digestive system accumulates in the stomach until it’s vomited back up. It’s one of the most common and most unpleasant realities of life with a cat, but there’s a lot more to the story than just cleanup duty. Keep reading to learn why some cats are more prone to hairballs than others, what normal versus concerning hairball vomiting actually looks like, and the signs that mean it’s time to call your veterinarian.

What Is a Hairball, Exactly?

A hairball, medically known as a trichobezoar, forms when a cat ingests loose fur during grooming. Cats have tiny, backward-facing barbs on their tongues that act like a comb. While this makes grooming efficient, it also means swallowed fur has nowhere to go but down. Most of it passes through the digestive system without issue. But some accumulates in the stomach, forming a compacted mass that the cat eventually vomits back up.

That expelled mass, or the cat hairball, typically looks like a damp, cylindrical clump of fur, often mixed with stomach fluid or undigested food. Despite the name, it usually looks more like a cigar than a ball by the time it’s produced.

What Causes Hairballs in Cats?

Cats are meticulous self-groomers. The average cat spends up to 50% of their waking hours grooming. That adds up to a significant amount of ingested fur over time, particularly for long-haired breeds or heavy shedders.

Cats Most Likely to Get Hairballs

Some cats produce cat hairball vomit more frequently than others. Those most prone include:

• Long-haired breeds such as Persians, Maine Coons, and Ragdolls
• Cats that groom excessively due to stress or skin conditions
• Cats going through heavy seasonal shedding periods
• Older cats, who tend to be more diligent groomers than kittens
• Multi-cat households where cats groom each other frequently

What Does Cat Hairball Vomiting Look and Sound Like?

The sound that precedes cat hairball vomiting is distinctive, a series of repeated retching or hacking sounds, sometimes accompanied by abdominal heaving. This can last anywhere from a few seconds to several minutes. The cat may crouch low to the ground and stretch their neck forward during the process.

The result is usually a cylindrical, tube-shaped clump of matted fur. It may be coated in bile (yellow or greenish fluid) or mixed with digested food. An occasional cat hairball, meaning roughly once or twice a month, is considered normal for most cats.

When Hairball Vomiting Is a Red Flag

Frequent hairball vomiting in cats, or retching that produces nothing at all, can indicate a problem beyond routine fur accumulation. Contact Dyer Animal Clinic if your cat shows any of the following:

• Retching or hacking more than twice per week
• Repeated vomiting with no hairball produced
• Vomiting accompanied by blood, mucus, or unusual color
• Loss of appetite, lethargy, or noticeable weight loss alongside vomiting
• A distended or painful abdomen
• Constipation or straining in the litter box

Is My Cat Vomiting a Hairball or Is Something Else Going On?

Not all vomiting in cats is hairball-related. Several conditions can mimic cat hairball vomiting, including inflammatory bowel disease, food allergies, parasites, pancreatitis, and even intestinal obstruction. Because cats groom themselves and because vomiting is so commonly attributed to hairballs, underlying conditions can go undiagnosed longer than they should.

If your cat vomits frequently, whether or not fur is present, a veterinary exam is the right move. A vet can help distinguish between routine hairball vomiting and a pattern that warrants further investigation.

Can Hairballs Be Dangerous?

In rare cases, a hairball that can’t be vomited up and doesn’t pass through the intestines can become a gastrointestinal obstruction, a potentially life-threatening situation. Signs of an intestinal blockage from a hairball include repeated unproductive retching, refusal to eat, lethargy, constipation, and a bloated or tender abdomen. This requires immediate veterinary attention. Do not wait to see if symptoms resolve on their own.

How Veterinarians Help With Hairball Problems

When cat hairball vomiting becomes frequent or concerning, a visit to Dyer Animal Clinic gives you a clear path forward. Our veterinary team can assess your cat’s overall digestive health, rule out conditions that mimic hairball issues, and recommend an appropriate management plan based on your individual cat’s needs.

Diagnostic Approaches

To evaluate frequent hairball vomiting, your veterinarian may recommend abdominal X-rays or ultrasound to check for obstructions, bloodwork to assess overall health, or a review of the cat’s diet and grooming habits. These steps help create a clear picture of what’s driving the problem and what will actually help.

Dietary and Grooming Considerations

There are veterinarian-recommended diets formulated specifically to support cats prone to hairballs, and regular grooming by the owner can significantly reduce the amount of loose fur a cat ingests. Your vet at Dyer Animal Clinic can guide you toward the right approach for your cat’s specific situation, whether that’s a dietary change, a grooming routine, or something else entirely.

Hairballs Are Common, But They Shouldn’t Be Ignored

Cat hairball vomiting is a normal part of feline life for many cats, but “normal” has its limits. If your cat is hacking and retching regularly, producing nothing, or showing any other signs of GI distress, it’s worth a conversation with a veterinarian. Our team at Dyer Animal Clinic in Dyer, Indiana is experienced in feline digestive health and is here to help you figure out what’s happening and what to do next. Give us a call at (219) 865-3737 to schedule an appointment or ask us a question, no concern about your cat is too small.