Trending 16 Foods That Are Harmful To Dogs 1. Chocolate Advertisement The main ingredient in chocolate called cacao beans, contains a family of compounds known as methylxanthines. When consumed, this substance can lead to vomiting, diarrhea and seizures in dogs, and can be fatal in some cases. Although dark chocolate contains more of this toxic substance, white chocolate and milk chocolate should also be avoided — especially in smaller dogs who are at greater risk. PrevNext Advertisement Related Topics: Up Next Man Took Home This 400-Year-Old Tree Stump. Then He Revealed What He Was Really Doing With It Don't Miss Watch What Happens When A Starving Polar Bear Approaches A Dog Click to comment Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website AdvertisementAdvertisement AdvertisementAdvertisement Trending Featured3 weeks ago The Rise and Fall of EA’s Reputation Featured2 months ago Ubisoft announced Year 3 of Tom Clancy’s Rainbow Six Siege Support and Content Featured3 weeks ago Is Game Development Profitable?