Dog Weight Loss
Losing weight without trying, visible ribs or spine, or muscle loss — especially concerning when appetite is normal or increased.
Causes
8
Red flags
5
Prone breeds
8
Related
4
See a vet in person
Unexplained weight loss needs an in-person exam and often bloodwork, fecal testing, or imaging. Telehealth can help triage, but it cannot replace diagnostics here.
When to call the vet now
Any of these signs means telehealth isn't enough — get in-person vet care today.
- ×weight loss despite normal or increased appetite
- ×weight loss plus increased thirst or urination
- ×diarrhea, vomiting, or greasy stool
- ×visible muscle wasting
- ×older dog with new weight loss
Common causes
- —not eating enough due to nausea, pain, or stress
- —dental disease
- —intestinal parasites
- —diabetes mellitus
- —kidney or liver disease
- —exocrine pancreatic insufficiency (EPI)
- —inflammatory bowel disease
- —cancer
Breeds most prone to weight loss
Not exhaustive — any dog can have this. These breeds are just more commonly affected.
German Shepherd
large · Top 10 AKC breed
Yorkshire Terrier
toy · Popular AKC breed
Cavalier King Charles Spaniel
toy · Popular AKC breed
Boxer
large · Popular AKC breed
Bernese Mountain Dog
large · Popular AKC breed
Flat-Coated Retriever
large · Popular AKC breed
Miniature Schnauzer
small · Popular AKC breed
Basenji
small · Popular AKC breed
What can help
Products and services matched to this symptom.
Dutch
24/7 vet care and prescriptions delivered
- —Unlimited vet chats
- —Rx delivered to door
- —$11/month
- —Covers anxiety, allergies, derm
Vetster
Book online vet appointments with licensed professionals
- —Licensed vets online
- —24/7 appointment access
- —Video, chat, and voice
- —Prescription support where permitted
The Farmer's Dog
Fresh, human-grade food portioned for your dog
- —Human-grade fresh food
- —Portioned per dog
- —Vet-developed recipes
- —50% off first box
Ollie
Fresh food with both cooked and baked recipes
- —Fresh and baked recipes
- —Turkey, beef, lamb, chicken proteins
- —Custom portions
- —60% off first box
Related symptoms
Searchbreed is not a veterinary service and does not diagnose or prescribe. This is educational content to help you understand your dog's symptoms. For diagnosis and treatment, talk to a licensed vet.