Why it's dangerous
The green parts of the plant contain solanine, a glycoalkaloid that acts as a toxin when ingested in large quantities, though it rarely causes severe poisoning in small animals.
Toxic compound: Solanine
Good to know
The ripened fruit is considered non-toxic; toxicity is primarily associated with the green parts of the plant and requires large ingestions.
Sources
This page is informational and is not veterinary advice. If your pet has been exposed to something risky, contact your vet or an animal poison control line right away.