PupkeeperCaution
Can dogs eat ripe tomatoes? Caution
Caution. Ripe red tomato flesh isn't toxic and is OK as a small treat, but too much can upset the stomach, and the plant's green parts are toxic.
Ripe tomatoes and dogs: key facts
- Verdict
- Caution · Watch at home
- What it can do
- Upset stomach, vomiting, diarrhea, drooling and loss of appetite.
- How to serve
- Give only fully ripe, red tomatoes, plain. Remove the green stem and leaves, cut into small pieces, and offer a small piece or a few cut-up cherry…
- What to do now
- Take away any remaining tomatoes and any stems, leaves or vines. All steps
- Sources
- Pet Poison Helpline, AKC. Reviewed 9 October 2026.
What should I do if my dog ate ripe tomatoes?
- Take away any remaining tomatoes and any stems, leaves or vines.
- Watch for an upset stomach, vomiting or diarrhea, especially if your dog ate a lot.
- If your dog ate green tomatoes, leaves, stems or vines, or a sauce made with onion or garlic, call your vet or a pet poison line now.
- Call your vet for advice if your dog ate a large amount of tomatoes.
Don't
- Don't give green tomatoes, leaves, stems or vines.
- Don't share tomatoes seasoned with salt, garlic or onion, or tomato sauces and dishes.
How to give it safely
Give only fully ripe, red tomatoes, plain. Remove the green stem and leaves, cut into small pieces, and offer a small piece or a few cut-up cherry tomatoes now and then.
Symptoms to watch for
- Upset stomach
- Vomiting
- Diarrhea
- Drooling
- Loss of appetite
Why
As a tomato ripens and turns red, its toxins, tomatine and solanine, drop a lot; they stay mostly in the green parts of the plant. Ripe tomatoes are acidic, and sauces and dishes often add garlic, onion, salt or sugar.
Sources
- Pet Poison Helpline: Are Tomatoes Bad for Dogs? What's Safe and What's Toxic
- AKC: Can Dogs Eat Tomatoes?
Guide reviewed 9 October 2026. Page updated 7 November 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.