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Can dogs eat tomatoes (green/unripe)?
Last updated 2026-05-08 · Sourced from ASPCA & Merck Veterinary Manual
No — avoid
Solanine and tomatine concentrated in green parts. Toxic to nervous and digestive systems.
The short answer
No — avoid — dogs should never eat tomatoes (green/unripe). solanine Unripe tomatoes, leaves, stems.
Why it's dangerous
Solanine and tomatine concentrated in green parts. Toxic to nervous and digestive systems.
Symptoms to watch for
Tremors, vomiting, diarrhea, weakness.
What every dog owner should know
- Garden access = risk
What to do if your dog ate tomatoes (green/unripe)
- Stay calm and assess how much was eaten and when.
- Call your vet or ASPCA Animal Poison Control at 888-426-4435 (consultation fee may apply).
- Alternatively, Pet Poison Helpline: 855-764-7661.
- Do not induce vomiting unless explicitly instructed by a vet.
- Have product packaging or the food itself ready to describe to the vet.
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Puppy safety
Tomatoes (green/unripe) is even more dangerous for puppies than adult dogs. Their smaller body weight means the same amount delivers a much higher toxic dose per pound. Their developing organs are also less able to process and clear toxins. If your puppy ate any amount of tomatoes (green/unripe), contact your vet immediately — don't wait for symptoms.
What to do if your dog ate tomatoes (green/unripe)
- Don't wait for symptoms. Some toxic effects start hours later but treatment is most effective when given early.
- Call your vet or an animal poison control hotline now:
- ASPCA Poison Control: (888) 426-4435 (fee may apply)
- Pet Poison Helpline: (855) 764-7661
- Have these details ready: your pet's weight, the amount eaten, when it happened, and any symptoms you've noticed.
- Don't induce vomiting unless the vet specifically tells you to. Inducing vomiting at home can cause aspiration in some cases.
- Save the packaging or a sample of what was eaten — this helps the vet identify ingredients.
Safer alternatives to tomatoes (green/unripe)
Looking for a safe treat? Here are vet-approved alternatives dogs can enjoy instead:
Frequently asked questions
Is tomatoes (green/unripe) toxic to dogs?
Yes — Solanine and tomatine concentrated in green parts. Toxic to nervous and digestive systems.
How much tomatoes (green/unripe) is too much?
Any amount can be dangerous. Even small ingestions warrant a call to your veterinarian.
Can puppies eat tomatoes (green/unripe)?
No — and even more dangerous than for adults due to lower body weight. Contact your vet immediately if a puppy eats any amount.
What are the symptoms of tomatoes (green/unripe) poisoning in dogs?
Tremors, vomiting, diarrhea, weakness.
What should I do if my dog ate tomatoes (green/unripe)?
Call ASPCA Poison Control at (888) 426-4435 or your veterinarian immediately. Don't wait for symptoms.
Frequently asked questions
Can dogs eat tomatoes (green/unripe)?
No — avoid. Solanine and tomatine concentrated in green parts. Toxic to nervous and digestive systems.
What happens if a dog eats tomatoes (green/unripe)?
Tremors, vomiting, diarrhea, weakness.
Is tomatoes (green/unripe) toxic to dogs?
Yes — tomatoes (green/unripe) is toxic to dogs. Solanine and tomatine concentrated in green parts. Toxic to nervous and digestive systems.