Foods to Avoid Do not eat foods that contain harmful additives. Not only can these harmful supplements cause unwanted reactions in the body, but they also contribute to the poisoning of the body which can manifest itself in skin problems. Check if you are allergic to any food. For more details, see allergies and food sensitivities. There are foods that are particularly prone to eczemas such as milk and its products, citrus fruits, tomatoes, soy, and its products, oysters, eggs, wheat, and gluten. Do not eat saturated and solid fats, such as margarine. These fats interfere with the efficient metabolism of essential fatty acids. Avoid consuming inflammatory foods such as white sugar, spicy foods, milk and dairy products, caffeine, and alcohol. White sugar and caffeine can also raise the level of anxiety and stress, which in itself is another reason to avoid consuming them. Avoid spicy foods, such as hot peppers, onions, or garlic . Also, do not eat mutton, crabs, or shrimp....