Cats that eat cockroach medicine will generally show symptoms of poisoning within a few hours. If the cat eats less, it may take longer to show symptoms, so the specific amount needs to be determined according to the amount of food consumed by the cat and the properties of the cockroach medicine. to decide. After cats eat cockroach medicine, they may experience vomiting, diarrhea, convulsions, foaming at the mouth, etc. Once found, they must be sent to a pet hospital for treatment in time to avoid life-threatening consequences.