Hi there...
Well, the rashes *can* come and go...They can also vary in intensity because mine do.
Also, they can take on any form...I can have more than one at any given time.
Like right now, I have several areas that look *measle-like* and I have one that looks like a ringworm (i have seen six doctors and they assure me that it is *not* a ringworm, just a lupus rash...Although not one said they have ever seen it before...)
when I first started getting really sick (and remember that *every* lupus patient has a different story), I had hive-like rashes covering my entire body. I mean everywhere.
My suggestion to you would be to go to the gp and ask about other possibilities. There are tons of autoimmunes out there that cause rashes...Even viral infections that do...
Hugs,
ladybrannon