Ripe red tomatoes are generally safe for dogs in moderation. However, unripe green tomatoes and the plant's leaves and stems contain solanine, which can be toxic. Ingesting these parts can lead to gastrointestinal upset and neurological signs.
How It Affects dogs
Solanine is a glycoalkaloid that can interfere with the nervous system and cause gastrointestinal irritation.
Toxic Compound
Solanine
Disclaimer: This information is for educational purposes only. Always consult your veterinarian before making changes to your pet's diet.