🦴 Dog Nutrition

is it safe for dogs to eat tomatoes?

⚡ Direct Answer

Ripe, red tomatoes are generally safe for dogs in moderation. However, unripe green tomatoes and all green parts of the tomato plant contain solanine, which is toxic to dogs.

Key Facts
  • 1Ripe red tomatoes are non-toxic and can be given to dogs as an occasional treat.
  • 2Unripe green tomatoes, stems, leaves, and flowers of the tomato plant contain solanine, a toxic glycoalkaloid.
  • 3Solanine poisoning symptoms in dogs include gastrointestinal upset (vomiting, diarrhea), lethargy, weakness, and decreased heart rate.
  • 4A medium-sized ripe tomato contains approximately 17 calories and is rich in vitamins A and C, and potassium.

Detailed Answer

Ripe, red tomatoes are generally safe for dogs to consume in moderation. These fruits are low in calories and provide beneficial nutrients like vitamins A and C, and potassium. They can be offered as an occasional treat, ensuring they are thoroughly washed and cut into appropriate, bite-sized pieces to prevent choking.

However, the green parts of the tomato plant, including the leaves, stems, flowers, and unripe green tomatoes, contain a toxic compound called solanine. Solanine is a glycoalkaloid that can be harmful to dogs if ingested in significant quantities. Symptoms of solanine poisoning can range from mild gastrointestinal upset, such as vomiting and diarrhea, to more severe signs like lethargy, weakness, confusion, dilated pupils, and a decreased heart rate.

Warning: Always remove all green parts before offering tomatoes to your dog. If your dog consumes any part of the tomato plant or unripe tomatoes and exhibits signs of illness, contact your veterinarian immediately. It's best to introduce any new food gradually and monitor for adverse reactions.

Published: August 16, 2026