When a dog or cat has arthritis, we often focus on the sore joint. We may talk about pain medicine, exercise, or physical therapy. But we also need to talk about food and body weight.
A new article by physical therapists Brian Russ and Ovidio Olivencia makes that point for people with osteoarthritis. The authors explain that arthritis involves more than stress on a joint. Inflammation, body fat, and daily habits may also play a role. They encourage physical therapists to ask about nutrition and work with dietitians when someone needs a detailed food plan. This is a commentary, not a new trial showing that a certain diet treats arthritis.
What does this mean for pets?
A heavier dog has more weight to carry on painful joints. Body fat may also add to inflammation. Food and weight are therefore part of the arthritis plan, along with safe activity and pain care.
I wrote about this in my earlier post, How Weight Loss Can Help Dogs with Arthritis Walk Better. In the dog study I discussed there, some dogs limped less after losing about 6% of their body weight. Walking measurements improved after about 9% weight loss. They did not have to reach an “ideal” weight before showing a benefit.
That is useful news for families who feel that their pet has a long way to go. A small, steady change can matter.
Does the new article tell us what to feed a dog or cat?
No. The authors discuss food choices for people, including a Mediterranean-style diet. We should not copy a human diet and feed it to a pet. Dogs and cats have different nutrition needs, and a food plan must still provide the nutrients they need while helping them reach a healthy weight. The article supports a broader idea: nutrition belongs in arthritis care, but the plan should fit the patient.
Where should you start?
If your pet has arthritis and may be overweight, ask your veterinarian for a body condition score and a target weight. Then make a plan you can follow and track. That may include measured meals, a review of treats and added oils, regular weigh-ins, and activity that fits your pet’s pain and ability.
Weight loss is one tool. A pet in pain may also need medicine, changes at home, and a careful exercise or rehabilitation plan. As I discussed in my post about exercise and rest, steady, appropriate movement helps protect strength and function.
The lesson from this new human-health article fits what I see in veterinary rehabilitation: we get a better arthritis plan when we look at the whole patient. Food, weight, movement, and pain care all deserve a place in that conversation.
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