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Dog A-Z > P > Poisonous Substances > Chocolate
Chocolate poisoning
Chocolate contains theobromine which can be lethal – the darker the chocolate the higher amounts of theobromine. Toxic doses vary according to the size of dog and cocoa solid content of the chocolate. Do contact your vets immediately if you suspect your dog has eaten chocolate intended for human consumption – especially if you see any of the following symptoms; vomiting, a sore abdomen, excessive thirst, excitability, drooling, slow heart rate or convulsions.