Rashes on face and neck. I suppose do?

I got rashes type something on face , it goes on increasing big big bigger. First it was on below eye, then increase , and now so big, now it splits in parts and now it is on forehead, on nose, on right cheek, some part on left cheek, on eyebrow too. I have used many cream like panderm+, tab fusys etc. After using this it goes on, but after some days it again come on same place, and when I eat egg it get worst at night although I don't have allergy with egg, but when it occurs it become worse. And one more it started since 5 or 6 month , but when I use any cream it completely gone, but after some time it again come. When I go for swimming then also it comes, please help me , tell me what I suppose do? It itches so much and worst at night, it spread on eyebrow too which I unable to show u, and on cheek it look likes dry skin.