How often does a healthy adult cat actually need to see a vet?

The American Association of Feline Practitioners recommends a wellness exam at least once a year for adult cats, and every six months for cats over roughly age 10, because feline patients age faster relative to humans and conditions like chronic kidney disease and hyperthyroidism become dramatically more common past age 7 (AAFP, 2021). An annual visit isn't just a vaccine appointment — it typically includes a weight check, dental grading, abdominal palpation, and a conversation about diet and litter box habits, all of which can surface a problem long before the cat acts sick.

Cornell Feline Health Center notes that cats mask pain and illness as a survival instinct left over from life as both predator and prey, so a physical exam catches things owners simply can't see day to day, like a heart murmur, subtle weight loss, or early dental disease (Cornell Feline Health Center, n.d.). Skipping visits because a cat 'seems fine' is one of the most common reasons conditions like feline diabetes or kidney disease aren't diagnosed until they're already advanced.

Which vaccines and parasite preventatives does an indoor cat still need?

The AAFP/AAHA feline vaccination guidelines classify FVRCP (feline viral rhinotracheitis, calicivirus, panleukopenia) and rabies as core vaccines recommended for every cat regardless of lifestyle, because panleukopenia in particular can survive in the environment for months and be tracked in on shoes or clothing (AAHA, 2020). Rabies vaccination is also legally required in most U.S. states even for strictly indoor cats.

Indoor status doesn't rule out fleas, ticks, heartworm, or intestinal parasites — the American Heartworm Society notes that cats can and do get heartworm disease even without ever going outside, since mosquitoes get indoors too, and unlike dogs there's no approved treatment for heartworm in cats, making monthly preventives the only real protection (American Heartworm Society, 2023). A year-round flea preventive also matters because fleas can hitch a ride in on another pet, a houseguest, or through window screens.

What lab work actually catches disease before a cat shows symptoms?

A baseline complete blood count, serum chemistry panel, and urinalysis in early-to-mid adulthood gives a vet a reference point to compare against later, and annual bloodwork in senior cats can flag kidney values, thyroid hormone (T4), and blood glucose trends before a cat loses noticeable weight or starts drinking more water (Cornell Feline Health Center, n.d.). Chronic kidney disease affects an estimated 30 to 40 percent of cats over age 10, and cats can lose roughly 75 percent of kidney function before blood values become abnormal on a standard panel — which is exactly why repeat testing over time matters more than a single snapshot.

Urinalysis is also how vets pick up early urinary crystals, subclinical infections, or concentrating ability problems that don't yet cause visible straining or house-soiling. Because cats are so good at compensating, a documented trend across two or three annual visits is often more useful diagnostically than any single test result.

Why does a vet keep bringing up dental disease at every visit?

The American Veterinary Dental College estimates that more than 50 percent of cats over age 3 have some degree of periodontal disease, and untreated dental infection can seed bacteria into the bloodstream and affect the heart, kidneys, and liver over time (AVDC, n.d.). Tartar buildup and gingivitis are often invisible to owners because cats rarely stop eating even with significant mouth pain — they just eat differently, favoring one side or swallowing kibble whole.

Professional dental cleanings under anesthesia allow full-mouth dental X-rays, which the AVDC notes reveal disease below the gumline — including tooth resorption, a painful condition affecting an estimated 20 to 60 percent of domestic cats — that's completely invisible on a visual exam alone (AVDC, n.d.). Daily tooth brushing or VOHC-accepted dental diets and treats between cleanings meaningfully slow plaque buildup, but they don't replace periodic professional cleaning once tartar has hardened.

How much should a healthy cat weigh, and why does a vet keep mentioning it?

The Association for Pet Obesity Prevention estimates that around 60 percent of U.S. cats are overweight or obese, and excess weight is directly linked to type 2 diabetes, osteoarthritis, and a shortened lifespan (APOP, 2022). Because cats are small, even a 1- to 2-pound gain represents a significant percentage of body weight — proportionally similar to a 15- to 25-pound gain in an average adult human.

Body condition scoring at each visit, done on a standardized 9-point scale, catches slow weight creep that's nearly impossible to notice day to day when you see the same cat every morning. Vets typically pair this with a specific feeding plan — measured meals rather than free-feeding dry food — since free access to kibble is one of the most common drivers of feline obesity identified in shelter and general practice populations.

What preventative screening actually catches hyperthyroidism and kidney disease early?

Feline hyperthyroidism, caused by a benign thyroid tumor in the vast majority of cases, typically affects cats over age 10 and produces weight loss despite a ravenous appetite, increased thirst, and vomiting — but a T4 blood test can flag elevated thyroid hormone before these signs become obvious to an owner (Cornell Feline Health Center, n.d.). Left untreated, hyperthyroidism strains the heart and can mask underlying kidney disease, which is why vets often screen thyroid and kidney values together in cats over 10.

Radioactive iodine therapy (I-131) is considered the gold-standard treatment because it destroys the abnormal thyroid tissue in a single treatment with a high cure rate, though daily anti-thyroid medication and a prescription iodine-restricted diet are also established management options depending on a cat's other health issues (Cornell Feline Health Center, n.d.). Catching the disease on a routine senior panel, before a cat is visibly wasting away, gives owners more treatment options and a better prognosis.

Does an indoor cat really need microchipping and updated ID?

The American Humane Society has cited studies showing that only about 2 percent of lost cats without a microchip are ever reunited with their owners, compared to over 38 percent of microchipped cats, largely because animal shelters scan every incoming stray (American Humane, n.d.). Indoor cats that slip out a door during a spring move, a repair visit, or an open window screen are actually at higher risk of getting lost precisely because they're unfamiliar with the outdoors and prone to bolting and hiding rather than navigating home.

A spring wellness visit is a practical time to confirm a chip is still registered to the current owner's phone number and address, since chips are frequently implanted correctly but never registered, or registered to a previous owner after a rescue adoption — making the chip functionally useless in an emergency.