After a dog eats rat poison, he or she will usually have a reaction within a few hours. After a dog eats rat poison, he or she will usually have convulsions, foaming at the mouth, confusion, and incontinence of urine and feces. Once the dog is found After eating rat poison, the dog needs to be induced to vomit immediately, and then sent to a pet hospital for examination and treatment to avoid life-threatening consequences. If there are no abnormalities in the dog for about three days after eating rat poison, then it means everything is fine.