What Is The Treatment For Eczema?

Hi harpreet , iam 25 year old girl, from past 3 years iam living in australia, 2 years back i was suffering from the problem eczema (discoid) ! I been with doctors and eat antibiotics but not satisfied, now the problem is again coming on my body , my lower legs, my back and my fore arms , i used clop cream (clobetasol propionate cream usp )when ever i feel its coming again,but it is just a temporary relief! I stoped using perfumed soap and only use dermotoligist recommended soap like goat milk soaps, moistureise my body also, please give me suggestion what should i do?? I really want to get rid of this problem soon, pls tell me what should i not eat ?? As if am i allergic from something that its come again an again ???