Can dogs eat tomatoes?
In small amounts only. tomatoes isn't toxic to dogs, but it isn't something to hand over freely either.
Why
Ripe red tomatoes are mostly safe, but green tomatoes and tomato plants contain solanine, a toxic compound. Tomato sauce may contain garlic or onion.
What to watch for
Vomiting, diarrhea, abdominal pain, lethargy, tremors.
What to do
Offer only ripe red tomatoes in moderation. Avoid green tomatoes and tomato plants entirely. Check sauce labels.
This page is not veterinary advice and is not a diagnosis. It's a general reference for a common food, and it can't account for your pet's size, age, health conditions, medications, or how much they actually ate. Toxicity is almost always about dose. If your pet has eaten something you're worried about — or is showing any symptoms — call your veterinarian, an emergency animal hospital, or a poison control hotline right away. Never induce vomiting unless a veterinary professional tells you to.