How I discovered I was allergic to wheat and dairy

About 4 years ago, I started to have eczema and urticaria which never happened to me before. Slowly, it happened regularly until I had eczema constantly on my entire body and urticaria crisis every day. As you can imagine, it was very uncomfortable and made me quite crazy, to say the least. Of course, I quickly went to a dermatologist who gave me a cream which helped a bit. With it, I was fine, but once I stopped using it, it always came back. It dealt with the symptoms but not the causes. Therefore I did not know why this…