Senior Pet Wellness Testing: Helping Your Best Friend Enjoy More Healthy Years
A guide for pet owners in Waterloo, Kitchener, Cambridge, St. Jacobs, Elmira, and surrounding communities.
Growing Older Doesn’t Mean Growing Unhealthy
Every week at Bridge Street Veterinary Hospital, we hear loving pet owners say things like:
“He’s just slowing down a little.”
“She’s drinking a bit more water than she used to.”
“I guess it’s just old age.”
Sometimes they’re right.
But sometimes those subtle changes are the earliest signs of a medical condition that can be treated—often before your pet appears sick.
That’s one of the biggest differences between veterinary medicine today and even a decade ago. Modern wellness testing allows us to identify many age-related illnesses months—or even years—before they become serious.
Our goal isn’t simply to help pets live longer.
It’s to help them enjoy more healthy, comfortable years doing the things they love most, whether that’s greeting you at the front door, chasing a tennis ball, curling up on the couch, or joining you for a walk along the Grand River Trail.
Why “Slowing Down” Isn’t Always Just Old Age
Imagine your twelve-year-old Labrador starts taking a little longer to stand up after a nap.
He still eats.
He still wags his tail.
He still wants his evening walk.
Most owners would assume he’s simply getting older.
But what if he also has:
early kidney disease
arthritis
low thyroid hormone
developing diabetes
high blood pressure
None of these conditions are visible from the outside.
Many develop gradually over months or years.
The good news?
Many can be managed very successfully when detected early.
That’s why routine wellness testing has become such an important part of caring for senior pets.
Dogs and Cats Age Much Faster Than We Do
One of the biggest misconceptions is that pets age the same way people do.
By the time many dogs reach seven years of age, they’re entering their senior years. Large breeds often age even faster.
Cats also become more prone to age-related diseases around seven to eight years of age, even if they still behave like playful kittens.
Because pets age more rapidly, one year between veterinary visits can represent several “human years” of physical change.
That’s why annual wellness exams become increasingly important as pets grow older.
For many senior pets—especially those with existing medical conditions—we may recommend checkups every six months. Senior Pet Support
Five Changes That Aren’t Always “Just Old Age”
Many owners assume these changes are simply part of aging.
Sometimes they are.
Sometimes they’re your pet’s way of quietly asking for help.
1. Drinking More Water
One of the earliest signs of several diseases—including kidney disease, diabetes, and hormonal disorders—is increased thirst.
Many owners don’t notice until they’re filling the water bowl much more often.
2. Sleeping More Than Usual
Senior pets naturally sleep more than younger animals.
However, dramatic changes in energy levels can sometimes indicate pain, heart disease, anemia, thyroid disease, or other illnesses.
3. Weight Loss Despite Eating Normally
A pet losing weight without any change in diet deserves investigation.
Weight loss can be associated with thyroid disease, diabetes, kidney disease, dental pain, cancer, and gastrointestinal disorders.
4. Difficulty Jumping or Climbing Stairs
Many owners assume this is “just arthritis.”
While arthritis is common, there are now many ways to help improve mobility and comfort.
Your pet doesn’t have to suffer in silence.
5. Changes in Bathroom Habits
Accidents in the house, changes in urine volume, diarrhea, constipation, or difficulty urinating should never be dismissed simply because a pet is getting older.
These changes can provide important clues about underlying disease.
What Happens During a Senior Wellness Visit?
Senior wellness care is much more than a quick physical exam.
At Bridge Street Veterinary Hospital, we begin by talking with you.
You know your pet better than anyone.
Even small observations—sleeping differently, slowing down on walks, drinking more water, or changes in appetite—can provide valuable information.
Your veterinarian will then perform a comprehensive physical examination that may include evaluating:
Body weight and body condition
Muscle mass
Eyes and vision
Ears
Teeth and gums
Heart and lungs
Abdomen
Joints and mobility
Skin and coat
Lymph nodes
Depending on your pet’s age, breed, lifestyle, and medical history, we may recommend additional wellness testing. Senior Pet Support
Looking Beneath the Surface: What Wellness Testing Can Tell Us
A physical examination tells us a great deal. Laboratory testing tells us what we can’t see.
Think of it like the dashboard in your car. Your vehicle may drive perfectly while the engine warning light remains off. But plugging into the computer can reveal small changes before they become major repairs. Wellness testing does something similar for your pet.
Common recommendations may include:
Complete Blood Count (CBC)
Evaluates red blood cells, white blood cells, and platelets.
This can help detect:
anemia
infection
inflammation
immune disorders
Blood Chemistry Profile
Measures how organs are functioning.
This can identify early changes involving:
kidneys
liver
pancreas
blood sugar
electrolytes
Urinalysis
Urine testing often provides information that bloodwork alone cannot.
It helps assess:
kidney function
urinary tract infections
diabetes
hydration
bladder health
Thyroid Testing
Thyroid disease is extremely common in senior pets.
Cats frequently develop an overactive thyroid.
Dogs are more likely to develop an underactive thyroid.
Both conditions are often very manageable once diagnosed.
Blood Pressure Measurement
High blood pressure often develops silently.
Without treatment, it can damage:
kidneys
eyes
brain
heart
Many owners are surprised to learn that pets can develop hypertension just like people.
Why “Normal” Bloodwork Is Great News
One of the most common questions we hear is:
“If everything comes back normal, was the testing worth it?”
Absolutely.
Normal results don’t mean the testing was unnecessary.
They create something incredibly valuable:
A baseline.
Every pet is unique.
A kidney value that is perfectly normal for one dog may be unusually high for another.
When we have previous results for comparison, we can sometimes identify tiny trends long before values become abnormal.
Those subtle changes often allow us to begin monitoring or treatment months earlier than we otherwise could.
Think of it as taking a snapshot of your pet while they’re healthy.
Future snapshots become much more meaningful.
Common Conditions We Hope to Catch Early
Many diseases begin quietly.
By the time obvious symptoms appear, they may already be fairly advanced.
Routine wellness testing helps us identify many of these conditions sooner.
Some of the most common include:
Chronic Kidney Disease
Especially common in older cats.
Early detection allows dietary changes and monitoring that may help preserve kidney function and maintain quality of life.
Diabetes Mellitus
Both dogs and cats can develop diabetes.
Early diagnosis often results in smoother treatment and helps reduce the risk of serious complications.
Thyroid Disease
Overactive thyroid glands in cats and underactive thyroid glands in dogs are among the most frequently diagnosed hormonal disorders in veterinary medicine.
Most pets respond very well to treatment.
Liver Disease
The liver has an incredible ability to compensate for damage.
Unfortunately, that means many pets don’t show obvious symptoms until disease has progressed.
Routine bloodwork can identify changes much earlier.
Arthritis
While arthritis is usually diagnosed through physical examination and imaging rather than bloodwork, senior wellness visits often identify subtle mobility changes that owners didn’t realize were occurring.
Today there are more options than ever to help senior pets stay comfortable and active.
Heart Disease
Many heart conditions begin with subtle changes your veterinarian can detect during a routine examination before symptoms develop at home.
Early diagnosis often allows for better monitoring and treatment.
A Realistic Example
Imagine Bella, a nine-year-old Golden Retriever from Waterloo.
She still enjoys her daily walks and happily greets visitors at the door.
Her owners notice she’s drinking slightly more water but assume it’s because of the warmer weather.
During her annual senior wellness visit, routine bloodwork shows very early changes in her kidney values.
Bella isn’t sick.
She isn’t in pain.
She isn’t showing obvious symptoms.
Because the problem was identified early, her veterinarian recommends a kidney-supportive diet, regular monitoring, and a few lifestyle adjustments.
Months later, Bella is still enjoying family walks and living her normal routine.
Would she eventually have shown symptoms?
Probably.
But early detection gave her family—and her veterinary team—the opportunity to intervene before significant kidney damage occurred.
While every pet’s situation is different, this type of scenario is exactly why preventive wellness testing is so valuable.
Investing in Prevention Often Costs Less Than Treating Advanced Disease
Many people think of wellness testing as an additional expense.
In reality, it can often reduce both emotional and financial stress.
When illnesses are detected early:
treatment options are often simpler
pets may avoid emergency visits
diseases may progress more slowly
quality of life is often better
owners have more time to make informed decisions
Most importantly, early detection gives us options.
And options are one of the greatest gifts preventive veterinary care can provide.
Frequently Asked Questions
At what age is my pet considered a senior?
There’s no single answer, as pets age at different rates depending on their breed and size.
As a general guideline:
Cats: Around 7–8 years of age
Small and medium-sized dogs: Around 7 years
Large and giant breed dogs: As early as 5–6 years
If you’re unsure whether your pet has entered their senior years, we’re happy to help determine the right wellness plan for them.
My pet seems perfectly healthy. Do they really need bloodwork?
Yes—and that’s exactly when wellness testing is most valuable.
Many common conditions, including kidney disease, diabetes, liver disease, and thyroid disorders, develop gradually and may not cause noticeable symptoms until they’re more advanced.
Routine wellness testing helps us detect changes early, when treatment options are often simpler and more effective.
How often should senior pets have wellness testing?
For most healthy senior pets, we recommend a comprehensive wellness examination every year, including laboratory testing.
Some pets may benefit from testing every six months, particularly if they:
Have an ongoing medical condition
Take long-term medications
Have previously abnormal test results
Belong to a breed with increased health risks
Your veterinarian will recommend a schedule based on your pet’s individual needs.
Will my pet need to be sedated for bloodwork?
Usually not.
Most blood samples can be collected in just a few minutes using gentle, low-stress handling techniques. Our team works to make the experience as comfortable as possible by moving at your pet’s pace, using positive reinforcement whenever appropriate, and minimizing fear and anxiety.
If a pet is especially fearful or anxious, we’ll discuss options with you. In some cases, anti-anxiety medication before the visit or mild sedation may be the kindest and safest approach for both your pet and our team. Our goal is never simply to complete the procedure—it’s to make it a positive experience whenever possible. More on Fear Free techniques here: Fear Free Certified
Should my pet fast before wellness bloodwork?
Sometimes.
For the most accurate results, we often recommend withholding food for approximately 8–12 hours before bloodwork, while still allowing access to fresh water.
If your pet has diabetes, is very young, or has another medical condition, different instructions may apply. Our team will let you know exactly how to prepare before your appointment.
My senior pet doesn’t act sick. Could bloodwork still find something?
Absolutely.
Many age-related illnesses progress quietly.
It’s not uncommon for pets to appear happy, active, and comfortable while early laboratory changes are already developing.
Finding these changes before symptoms appear is one of the biggest advantages of preventive wellness testing.
Are senior wellness tests expensive?
Wellness testing is an investment in preventive care.
While every pet’s needs are different, identifying health problems early can often reduce the need for emergency care, hospitalization, or more extensive treatment later on.
Our team can recommend the testing that’s most appropriate for your pet based on their age, health history, and lifestyle.
Can wellness testing replace a physical examination?
No.
A physical examination and laboratory testing work together.
Your veterinarian can identify many concerns through a hands-on examination, while bloodwork and urine testing provide important information about your pet’s internal
health that can’t be seen from the outside.
Together, they provide the most complete picture of your pet’s overall wellness.
Give Your Senior Pet Their Best Years Yet
Growing older doesn’t have to mean slowing down.
With regular examinations, preventive wellness testing, and early treatment when needed, many dogs and cats continue enjoying active, happy lives well into their senior years.
At Bridge Street Veterinary Hospital, we believe preventive care is one of the greatest gifts you can give your pet. Whether your companion has just entered their senior years or has been your faithful friend for over a decade, we’re here to help them stay healthy, comfortable, and by your side for as long as possible.
If your dog or cat is entering their senior years—or if you’ve noticed even small changes in their behaviour, appetite, mobility, or energy level—we’d be happy to discuss whether a senior wellness examination and laboratory testing are appropriate. Appointments can be booked online by clicking here: Book Appointment
Our compassionate team proudly cares for pets from Waterloo, Kitchener, Cambridge,
St. Jacobs, Elmira, Conestogo, and the surrounding communities.
Because every extra healthy year with your best friend is worth protecting.
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