Senior Pet Mobility and Preventive Care Guide for Aging Dogs and Cats

Frequently Asked Questions

When is a dog officially a senior?

AAHA's Canine Life Stage Definitions describe senior status as the **last 25 percent of expected lifespan**, which means a giant breed often enters the senior life stage at five or six and a small mixed-breed dog often does not until ten or eleven. Universal-age shortcuts misclassify most dogs; senior care should begin based on breed-size-adjusted lifespan and clinical changes rather than a universal birthday.

When is a cat a senior?

The AAHA/AAFP Feline Life Stage Definitions generally treat **10 years and older** as the senior threshold, while explicitly recognizing individual variation. Some cats age faster, some slower; the senior frame is about care cadence, not a numeric birthday.

How often should senior pets see a veterinarian?

The AAHA/AAFP feline guidance says senior cats should generally be seen at least **every 6 months**. The 2023 AAHA Senior Care Guidelines support exams plus CBC, chemistry, and urinalysis every **6 to 12 months** for senior dogs and cats, with annual blood pressure and thyroid screening — especially in cats — and more frequent rechecks when chronic disease is present.

Is it normal for an old dog or cat to slow down?

Some slowing can happen with age, but the 2023 AAHA Senior Care Guidelines, Tufts Cummings School's aging-dog material, and the Cornell Feline Health Center all caution that pain and treatable disease commonly masquerade as normal aging. The honest answer is: probably partly normal, probably partly not — which is exactly why senior wellness exams exist.

What are subtle signs of arthritis in cats?

The Cornell Feline Health Center and the 2022 AAHA Pain Management Guidelines list early feline-OA signs as reduced jumping, choosing lower perches, hesitation entering the litter box, reduced self-grooming (matted coat in a previously fastidious cat), reclusiveness, and altered sleep. Limping is a late sign in cats, not an early one.

What are subtle signs of arthritis in dogs?

The Merck Veterinary Manual osteoarthritis chapter, the 2022 AAHA pain guideline, and Tufts' aging-dog material list slow rising, reduced stair tolerance, shorter walks, reluctance to play, a shuffling gait, posture changes, and increased sleep as common early signs.

Does weight loss really help arthritis?

Yes — meaningfully. Marshall et al. (2010) found that overweight dogs with osteoarthritis showed measurable improvement in lameness with about a **6.1 percent body-weight reduction**, and the Merck Veterinary Manual treats weight optimization as foundational OA care. The Association for Pet Obesity Prevention reported that 59 percent of dogs and 61 percent of cats evaluated by U.S. veterinary professionals in 2022 were overweight or obese, which is why weight is page-one mobility content.

Are joint supplements enough on their own?

Not usually. The Merck Veterinary Manual osteoarthritis chapter notes that evidence for commonly used joint supplements such as glucosamine and chondroitin is inconsistent, while support for omega-3 fish oil in canine OA is stronger. Expert consensus across AAHA's pain and senior guidelines is that supplements are adjuncts, behind weight management, controlled exercise, multimodal pain care, and home modifications.