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Senior care

Caring for a Senior Dog Without Guessing

How to tell normal ageing from disease, adjust exercise and the home, and use twice-yearly check-ups to catch problems while they are still cheap and treatable.

By Marcus ColeVeterinary review: Dr Elena Marsh9 min readPublished 2026-02-10Updated 2026-09-12
Illustration of a dog and cat resting at home beside a water bowl and lead

When a dog becomes 'senior'

There is no single birthday at which a dog becomes old. Giant breeds are often considered senior from around six years, large breeds from seven, and small breeds not until ten or eleven. What matters clinically is not the number but the rate of change: a dog that is slower, stiffer or sleepier than it was six months ago deserves an examination rather than a shrug.

Owners routinely describe early disease as 'just getting old'. Arthritis, dental pain, hypothyroidism, heart disease and cognitive decline all masquerade as ordinary ageing, and all of them have treatments that measurably improve day-to-day comfort.

The signs worth writing down

Keep a short monthly note of weight, appetite, drinking, toilet habits, sleep pattern and willingness to exercise. Trends in those six things catch more problems than any single observation, and they give your vet something far more useful than 'he seems a bit off'.

  • Reluctance to jump into the car or onto furniture the dog used to manage
  • Slipping on smooth floors, or standing with paws wider apart than before
  • Drinking noticeably more, or asking to go out overnight
  • Turning away from hard food, chewing on one side, or dropping kibble
  • Pacing or restlessness in the evening, or staring at walls and corners
  • Lumps that change in size, texture or comfort

Exercise: less intensity, not less movement

Stopping walks is one of the most common and most damaging responses to a stiff dog. Muscle loss accelerates joint pain, so the aim is shorter and more frequent outings on soft, even ground rather than fewer long ones. Sniffing walks, where the dog sets the pace and route, provide mental work at low physical cost and are often the highlight of an older dog's day.

Avoid repetitive ball throwing and sharp turns on hard surfaces. Swimming and controlled lead walks suit most arthritic dogs, but any new exercise plan for a dog with heart or joint disease should be agreed with your vet first.

Adapting the home

Small changes prevent a great deal of pain. Non-slip runners on laminate and tile, a raised food bowl for dogs with neck or spinal discomfort, an orthopaedic bed away from draughts, a ramp into the car, and a night light for dogs whose vision is fading all reduce the number of small daily struggles.

Twice-yearly check-ups earn their cost

From the senior threshold onwards, most vets recommend examinations every six months, often with blood pressure, urine and blood screening. Dogs age faster than the interval between annual visits, and early kidney, thyroid or heart changes are far easier to manage before symptoms appear.

Frequently asked questions

Is my old dog in pain, or just slow?
Assume pain until a vet rules it out. Dogs rarely cry with chronic arthritis; they simply do less. A short trial of vet-prescribed pain relief often reveals how much discomfort was hiding.
Should I change to a senior food?
Not automatically. 'Senior' is a marketing category with no fixed definition. Discuss protein, calories and any kidney or heart condition with your vet before switching.