Chocolate contains a chemical called theobromine, which is poisonous to dogs. Use our chocolate toxicity calculator for dogs to work out whether your dog has eaten a potentially toxic amount. Please note symptoms typically occur between four and 24 hours after your dog has eaten chocolate, though assessment and treatment may be required immediately. For comprehensive advice visit our chocolate poisoning advice page.
For comprehensive advice on what to do if your dog has eaten chocolate visit our chocolate poisoning advice page.