When it comes to food, there are a few things that Frenchies should not eat. For starters,Frenchies should avoid any type of food that contains grapes or raisins. Even a small amount of either one of these can cause kidney failure in Frenchies. Another food item to keep away from Frenchies is chocolate. Like grapes and raisins, chocolate can also lead to kidney failure in Frenchies. In addition, onions and garlic are two foods that should be avoided as they can cause anemia in Frenchies.