Generally, dogs will die after eating rat poison in about 2 to 4 hours. If it is chronic rat poison, it may take 6 to 12 hours. Therefore, if a dog is found to have eaten rat poison, it needs to be rescued immediately. It is best to send it to the hospital. Induces vomiting and detoxifies. Rat poison is very harmful to dogs, so don’t put it where dogs can access it. You should also wear a leash when walking your dog when you go out, and don’t let your dog pick up food outside.