For a few days now I have had a red, itchy, flat rash on the sides of my abdomen. This isn't the first time it has happened, but it is only a recent development. The rash lasts for one - two weeks at a time. There are no bumps, or pus, or anything like that. This is the fourth time it has happened to me and I thought it would be a good idea to take a milk bath last night and i woke up and the rash has spread to the outsides and under my breasts. It's incredibly inconvenient and very ugly. I usually treat it with Cortizone 10 and a lot of lotion thinking it was a dry skin or a heat rash...but why does it keep coming back? The first time I had it was 7 months ago in June and then I had it again in October, December, and now. I grew up next to the coast and only recently 10 months ago moved to a midwestern mountain state without any humidity. Could this be a heat rash? Or could it be a rash that develops when I'm dehydrated? I'm thoroughly confused and I want to have this gone for good. Any help would be appreciated!