Can Dogs Eat Tomato?

With limitsMild effects expected
Verdict for dogs: Caution · Evidence: H · Last verified: 2026-11-01 (seed data — veterinary review pending)

Only in small amounts, prepared the right way. Tomato is not poisonous to dogs, but it has real downsides. It contains solanine and tomatine in the green plant parts and ripe red flesh is fine. Follow the limits below and watch for stomach upset.

Why only in moderation

solanine and tomatine in the green plant parts · ripe red flesh is fine

Which parts are the problem?

No specific part is singled out by our sources — treat the whole food with the stated caution.

Dose & exposure rules

The ripe tomato on your plate is fine; the garden plant is the hazard (see green tomatoes)

If it must be on the menu: safe preparation

Ripe red flesh in small slices; never the vine; leaves or unripe fruit

Symptoms to watch for

GI upset from flesh in quantity(plant parts: see green tomatoes)

Hours

What to do now

Monitor flesh; vet after plant material

✔ Reviewed against ASPCA · AKC. Veterinary review pending — this page will carry a named, licensed veterinarian's sign-off after review (see team and editorial policy). General information only, not veterinary advice.

FAQ

How much tomato can a dog eat?

The ripe tomato on your plate is fine; the garden plant is the hazard (see green tomatoes)

What are the signs of tomato problems in dogs?

Watch for: GI upset from flesh in quantity; (plant parts: see green tomatoes). Hours

What should I do if my dog ate tomato?

Monitor flesh; vet after plant material

Related:

Can cats eat tomato?

Also asked: green tomatoes

More in Vegetables: Onion PowderChivesCorn on the CobGarlic