PupkeeperCaution
Dog ate paint and varnish? What to do
Water-based paint usually causes only stomach upset, but oil-based paint and varnish can harm the lungs, and old lead paint is the biggest danger.
If your dog ate or touched this, call your vet or a pet poison line now
United States
Poison lines in other countries: United Kingdom, Australia, Canada, New Zealand
What to do now
- Call your vet or a pet poison line now.
- Wash paint off the skin or fur with mild liquid dish soap, or trim it off with clippers.
- Keep the can and bring it with you.
Don't
- Don't make your dog vomit or give medicines unless a vet tells you to.
- Never use paint thinner or mineral spirits on your dog's skin or fur.
Signs to watch for
- Vomiting
- Diarrhea
- Skin irritation
- Coughing
- Trouble breathing
Why
Oil-based paints and varnishes contain solvents that can be breathed into the lungs. Paint in older buildings, some imported products and some artist paints may contain lead.
Sources
Guide reviewed 9 October 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.