Signs a Dog Is Overweight (And Why It Matters More Than You Think)

It’s not always obvious when a dog is carrying extra weight. Many dogs slowly gain weight over time, and because owners see them every day, those changes can be easy to miss.

But even a small amount of excess weight can have a big impact on a dog’s health, comfort, and quality of life. Understanding the signs and why they matter can help owners take early, positive steps to support their dog’s wellbeing. So what are the signs a dog is overweight?

Common Signs a Dog May Be Overweight

Difficulty feeling the ribs

You should be able to feel your dog’s ribs with gentle pressure. If you have to press firmly — or can’t feel them at all — this may be a sign of excess weight.

Loss of a visible waist

When viewed from above, most dogs should have a slight waist behind the ribs. A straight or rounded shape can indicate weight gain.

Reduced stamina on walks

If your dog tires more quickly than before, struggles to keep pace, or needs frequent stops, extra weight may be placing strain on their joints and heart.

Heavy or laboured breathing

Overweight dogs often breathe more heavily, even during gentle exercise or cooler weather.

Reluctance to move or play

Weight gain can make everyday movement uncomfortable, leading dogs to avoid stairs, jumping, or longer walks.

Why Excess Weight Matters

Joint and mobility strain

Extra weight puts additional pressure on joints, which can worsen or accelerate conditions such as arthritis — particularly in senior dogs or certain breeds.

Increased risk of health conditions

Overweight dogs are at greater risk of developing diabetes, heart disease, respiratory issues, and reduced immune function.

Reduced quality of life

Dogs carrying excess weight often move less, play less, and tire more easily — affecting both their physical and mental wellbeing.

Shortened lifespan

Studies consistently show that maintaining a healthy weight can significantly extend a dog’s life and improve its quality.

Weight Gain Isn’t Just About Food

While diet plays a role, weight gain is often influenced by a combination of factors, including:

• Inadequate or inconsistent exercise

• Lack of mental stimulation

• Treats and portion sizes creeping up over time

• Changes in routine, age, or health

Regular, appropriate exercise is just as important as what’s in the food bowl.

How Walking Supports a Healthy Weight

Consistent, well-paced walks help dogs:

• Burn calories naturally

• Maintain muscle tone

• Support joint health

• Improve mental wellbeing

Longer, relaxed walks — rather than rushed outings — often provide the best balance of physical and mental stimulation, especially when tailored to the individual dog.

Every Dog Is Different

Breed, age, health conditions, and lifestyle all influence what a healthy weight looks like. What’s right for one dog may not be right for another.

If you’re ever unsure, your vet can offer guidance on ideal weight, feeding, and exercise levels for your dog.

A Gentle Final Thought

Helping a dog maintain a healthy weight isn’t about restriction or judgement — it’s about supporting comfort, mobility, and long-term happiness.

Small, consistent changes in routine often make the biggest difference.

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