Yes, Bay Laurel is toxic to dogs!
Dogs accidentally consuming the Bay Laurel plants can show the following clinical symptoms: Vomiting, Prolonged Depression, Incoordination, Hypersalivaton, Sleepiness Or Excitation, Dilated Pupils, Low Body Temperature, Low Blood Pressure, Coma, Seizure And Death (In Rare Cases).
Bay Laurel consumption is also toxic to Cats and Horses.
Toxic Principles Of Bay Laurel: Eugenol, and other essential oils.
More Info About The Bay Laurel Plant
Scientific Name: Laurus nobilis
Family: Lauraceae.
Also known as: Sweet Bag, Bay Tree, Tree Laurel, Laurel Tree, Laurel.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.