Obesity in dogs
Obesity is very common in pet dogs and raises the risk of arthritis, diabetes and other problems.
Last updated: October 2026 · 2 sources · see sources
Signs to watch for
- Can't easily feel the ribs
- No visible waist
- Low stamina
- Panting easily
Trouble breathing, collapse, repeated vomiting, not peeing, or a seizure that lasts more than a few minutes needs a vet right away. See when to see a vet.
How vets diagnose it
Your vet uses a body condition score and weight trends. Bloodwork can rule out hypothyroidism. [2]
How it's treated
A measured diet, often a prescription weight-loss food, and more activity. Weigh-ins help keep progress on track. [2]
What it costs to diagnose and manage
| Item | Typical US price | Src |
|---|---|---|
| Diagnosis (exam and tests) | $50–$100 | [1] |
| Ongoing treatment, per month | $30–$100 | [1] |
| Ongoing treatment over a year (monthly range × 12) | $360–$1,200 | [1] |
These are typical US ranges from the sources listed. Your pet's costs depend on how severe things are, the tests your vet recommends, your pet's size and where you live. Ask your vet for a written estimate.
Outlook
Weight loss can improve comfort and may add healthy years. [2]
Common questions
What is obesity in dogs?
Obesity is very common in pet dogs and raises the risk of arthritis, diabetes and other problems.
What are the signs of obesity?
Common signs include: can't easily feel the ribs, no visible waist, low stamina, panting easily.
How do vets diagnose obesity?
Your vet uses a body condition score and weight trends. Bloodwork can rule out hypothyroidism.
How is obesity treated?
A measured diet, often a prescription weight-loss food, and more activity. Weigh-ins help keep progress on track.
How much does obesity cost to treat?
Diagnosis (exam and tests): $50–$100; Ongoing treatment, per month: $30–$100; Ongoing treatment over a year (monthly range × 12): $360–$1,200. Costs vary with severity, tests, your pet's size and where you live.
Related
This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.