Lipomas (fatty lumps) in dogs
Lipomas are soft, benign lumps of fat under the skin. They're common in middle-aged and older dogs.
Last updated: October 2026 · 2 sources · see sources
Signs to watch for
- Soft, movable lump under the skin
- Usually painless
- Slow growth
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 checks with a needle sample (fine needle aspirate) to confirm the lump is fat and not something else. [2]
How it's treated
Most lipomas are simply watched. Removal is considered for large, fast-growing or infiltrative lipomas. [2]
What it costs to diagnose and manage
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
Lipomas are harmless in most dogs. Have any new lump checked. [2]
Common questions
What is lipomas (fatty lumps) in dogs?
Lipomas are soft, benign lumps of fat under the skin. They're common in middle-aged and older dogs.
What are the signs of lipomas (fatty lumps)?
Common signs include: soft, movable lump under the skin, usually painless, slow growth.
How do vets diagnose lipomas (fatty lumps)?
Your vet checks with a needle sample (fine needle aspirate) to confirm the lump is fat and not something else.
How is lipomas (fatty lumps) treated?
Most lipomas are simply watched. Removal is considered for large, fast-growing or infiltrative lipomas.
How much does lipomas (fatty lumps) cost to treat?
Diagnosis (exam and tests): $100–$300; Treatment: $0–$2,000. 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.