Try eleiminating nightshades and irritants from your diet. Nightshades are a group of plants which contain a type of alkaloid which can trigger immune responses. Thi scauses your immune system to eat your skin from the inside out. Nightshades include but are not limited to; All Peppers (except black), Tobacco, Egplant, Potato, Tomato, Paprika, Tobasco, Petunia, Ceyenne, Mandrake, Pimento (These are found in stuffed olives), Ground Cherries.