I am looking for information on autoimmune disorders / diseases. I have had a red hives like red rash that all has spread all over my body; since middlemof May. The hives from blister in middle and pop froms a sore that slow in healing . Rash is sun sensitive and gets worse if exposed to sun and heat. It severly itches. i also have low fevor almost constantly, muscle aches, headaches, dizzeness , fatique, swelling. i am seeing several doctors , allergist/immunoligist , dermatalogist, family pracbe tise. they have no answer for cause except maybe autoimmune so I am researching for possible causes to discusse with doctors. any info would be appreciated!