First give the cat Mommy's Love or prebiotics to relieve diarrhea symptoms, and then check the time after changing the food. If the cat keeps having diarrhea 7-10 days after changing the food, please stop the food immediately and change it. It is normal for a cat to have a fragile gastrointestinal tract and have loose stools during the food change period. However, if the cat continues to have loose stools 7-10 days after the food change, it is a problem with the cat's food.