Older pets are good at hiding illness. A dog who slows down on walks is often described as lazy. A cat who sleeps more is described as mellow. In many cases these changes are the first visible sign of a medical problem that started months earlier.
This is the central challenge of aging in dogs and cats. Their bodies change faster than ours, and the animals themselves are wired to conceal weakness. By the time a symptom is obvious enough to worry an owner, the underlying condition has usually been developing for some time.
A senior pet wellness exam exists to close that gap. It uses physical examination and baseline testing to find problems before they produce symptoms you can see at home. This guide explains what the visit involves, what it screens for, and what you can do between appointments. You can also read more about our senior pet care services.
When a Pet Is Considered Senior
There is no single birthday that marks the transition. Size and species both matter, and a Great Dane reaches old age years before a Chihuahua does.
How Size Changes the Timeline
A pet is generally considered senior from around seven years of age, though size and species shift that line. A small dog usually reaches the senior stage at about seven. A giant breed such as a Great Dane gets there closer to five or six, because larger dogs age faster. Cats move more slowly and are generally considered senior at around eleven.
Medium and large dogs sit between those points, with most crossing into the senior range somewhere between six and eight years.
These are guidelines rather than rules. A healthy nine year old Labrador may be in better shape than a six year old with existing joint disease. Your veterinarian will assess the individual animal rather than the number during a routine wellness checkup.
Why the Threshold Matters
The point of naming a life stage is not the label. It is the change in monitoring that comes with it. Once a pet crosses into the senior range, the disease risks shift and the value of routine screening rises sharply.
Kidney disease, arthritis, dental disease, endocrine disorders, and cancer all become substantially more common. Most are manageable when caught early and difficult to manage once advanced. That difference is what senior pet care is built around.
How a Senior Exam Differs From a Routine Checkup
Owners sometimes assume the senior visit is the same appointment with a different name. It is not. Three things change.
Frequency
Younger adult pets are typically seen once a year. Senior pets are usually seen every six months.
This is not a scheduling preference. A year in a senior dog or cat is roughly comparable to five to seven years in a person. A great deal can develop in twelve months, and a six month interval catches changes while they are still small.
The Physical Examination
The hands on portion becomes more detailed. Your veterinarian will pay particular attention to areas where age related disease appears first.
This includes checking the mouth for periodontal disease and oral masses, which often leads directly into a discussion about dental care. It also covers palpating the abdomen for organ size changes, assessing joints through their range of motion, listening for heart murmurs and irregular rhythms, examining the eyes for cataracts and retinal changes, checking the thyroid area in cats, and feeling the entire body surface for lumps.
Body condition scoring and muscle condition scoring are also recorded, since muscle loss can occur even in a pet whose weight looks stable.
Baseline Diagnostics
This is the largest difference. A senior exam usually includes laboratory work whether or not the pet seems unwell.
What Bloodwork Reveals
A complete blood count and chemistry panel provide a picture of organ function that no physical exam can match. Kidney values, liver enzymes, blood sugar, protein levels, and red and white cell counts all shift measurably before a pet looks sick.
For cats over ten, a thyroid level is usually added, since hyperthyroidism is common in that group and frequently presents as nothing more than gradual weight loss with a good appetite. Our in house bloodwork allows most of these results to be reviewed quickly.
The real value of the first senior panel is not the abnormalities it finds. It is the normal range it establishes for your individual pet. A kidney value at the top of the normal range means little on its own. The same value in a pet whose baseline sat at the bottom of the range two years ago means something quite different.
Urinalysis and Blood Pressure
Urine testing detects early kidney disease, urinary tract infection, and diabetes, sometimes before blood values change. In cats it is particularly useful, because the ability to concentrate urine declines before creatinine rises.
Blood pressure measurement is often added for senior cats and for any pet with kidney or thyroid disease. Hypertension in animals frequently causes no symptoms until it damages the eyes or kidneys.
What the Exam Is Designed to Catch
The screening is aimed at a specific group of conditions that share one trait. They all develop quietly.
Condition |
Why It Is Missed at Home |
What Screening Finds |
| Chronic kidney disease | Symptoms appear only after substantial function is lost | Rising kidney values and dilute urine |
| Dental disease | Pets keep eating despite significant pain | Periodontal pockets, loose teeth, root exposure |
| Osteoarthritis | Owners attribute stiffness to normal aging | Reduced joint range, pain on manipulation, muscle loss |
| Heart disease | Cats in particular show almost nothing early | Murmurs, arrhythmias, changes in lung sounds |
| Hyperthyroidism in cats | Appetite stays good, so weight loss looks minor | Elevated thyroid hormone, rapid heart rate |
| Diabetes | Increased drinking is easy to overlook | Elevated blood glucose and glucose in urine |
| Cancer | Internal masses produce no early external sign | Palpable masses, organ enlargement, blood abnormalities |
When a murmur or rhythm change is detected, further assessment through pet cardiology can determine whether it needs treatment or simply monitoring.
A Note on Arthritis
Joint disease deserves separate mention because it is the most commonly dismissed. Owners routinely describe an arthritic pet as simply getting old.
The distinction matters. Normal aging does not cause pain. Reluctance to jump onto furniture, hesitation at stairs, stiffness after rest that improves with movement, and a shortened stride are all signs of joint pain rather than age itself. Cats often show it as reduced grooming, missed litter box entries, or no longer sleeping in a favorite high spot.
Arthritis is manageable. Weight control, joint supplements, prescription medication, and treatments such as cold laser therapy all help. None of them can be offered if nobody identifies the problem.
Changes at Home Worth Reporting
You see your pet every day. Your veterinarian sees them twice a year. Your observations often carry more diagnostic weight than anything found in the exam room.
The following changes are worth writing down and bringing to the appointment:
- Drinking noticeably more water, or needing the bowl refilled more often
- Weight change in either direction, even if gradual
- New reluctance with stairs, jumping, or getting into the car
- Accidents in the house from a previously reliable pet
- Sleeping through the night less, or pacing and vocalizing after dark
- Changes in appetite, chewing on one side, or dropping food
- Confusion in familiar rooms, or staring at walls
- New lumps, or existing lumps that have changed in size or texture
Cognitive dysfunction in particular is often mistaken for stubbornness. A dog who forgets a house training routine of nine years or a cat who cries at night in an empty room may be showing early cognitive decline, which has management options when identified.
What Happens After the Exam
The visit produces a plan rather than just a set of results.
Diet and Weight
Nutritional needs shift with age. Senior pets often need fewer calories but more digestible protein to preserve muscle. Pets with kidney, heart, or joint disease may benefit from a therapeutic diet.
Weight management is the single most effective intervention available for an arthritic pet. Even modest weight loss reduces joint load meaningfully and typically improves mobility within weeks.
Pain Management
If joint pain is present, treatment usually combines several approaches rather than relying on one. Prescription anti inflammatory medication, joint supplements, controlled exercise, and rehabilitation each contribute. Home adjustments help as well, including non slip runners on hard floors, raised food bowls, ramps to furniture, and a low sided litter box for cats.
Monitoring Intervals
Depending on findings, your veterinarian may recommend rechecking specific values in three or six months rather than waiting for the next full visit. This is normal and does not indicate a serious problem. It reflects the fact that a trend is more informative than a single measurement.
Our overview of early detection during wellness exams covers how this monitoring works in practice.
Preparing for the Appointment
A little preparation makes the visit far more productive.
Bring a short written list of changes you have noticed, including approximate dates. Record a phone video of anything intermittent, such as a limp or a coughing episode, because these rarely occur in the exam room. Note the exact food, treats, supplements, and medications your pet receives, with doses. If your pet has been drinking more, try to estimate how much water is going into the bowl each day.
For cats, leave the carrier out at home for several days beforehand with a familiar blanket inside. A cat who is calm on arrival gives a more accurate heart rate and blood pressure reading than one who has spent twenty minutes fighting the carrier.
Making the Later Years Comfortable
Aging is not a condition to be treated. It is a stage that brings a predictable set of risks, and those risks respond well to being found early.
The practical approach to caring for senior pets is straightforward. Move to twice yearly visits once your pet reaches the senior range for their size. Agree to baseline bloodwork and urine testing while your pet is still well, so future results have something to be compared against. Report small changes rather than waiting to see whether they resolve. Treat joint pain as a medical issue rather than an inevitable one.
Most of what shortens comfortable life in older dogs and cats is manageable when caught in time. Protecting senior pet health is less about intervening dramatically and more about looking regularly.
If your dog or cat is approaching or already in their senior years, contact Summit Dog and Cat Hospital at (908) 273-2200 to schedule a visit. You can also review our full range of preventive care services or request an appointment online.
Frequently Asked Questions
Q: How often should a senior dog or cat be examined?
A: Every six months is the general recommendation once a pet reaches the senior stage for their size and species. Pets with a diagnosed chronic condition may need more frequent monitoring, which your veterinarian will advise based on findings.
Q: Is bloodwork necessary if my older pet seems perfectly healthy?
A: Yes, and that is the best time to run it. Screening a well pet establishes individual baseline values, which makes future changes far easier to interpret. Many age related conditions produce abnormal results before any visible symptoms appear.
Q: My dog has slowed down. Is that just normal aging?
A: Slowing down usually reflects pain rather than age alone. Arthritis is the most common cause and responds well to weight management, medication, and rehabilitation. It is worth having assessed rather than accepted.
Q: Are anesthetic procedures safe for older pets?
A: Age itself is not a disease and is not a barrier to anesthesia. Pre anesthetic bloodwork, individualized protocols, and monitoring during the procedure address the actual risks. Untreated dental disease often poses a greater danger than the anesthesia used to correct it.
Q: What changes should I make at home for an aging pet?
A: Add non slip runners on hard floors, provide ramps or steps to favorite furniture, raise food and water bowls, and use a litter box with a low entry side. Keep exercise regular but gentle rather than occasional and strenuous.