How Can Skin Redness, Dysphagia And Stomach Burning Be Treated?

I have skin problems for 3 months the wheneverI touch my skin it becomes red and usually long shapes of redness took different antihistamine doesn't get better I had blood test am fine ,now I also feel stuck food like on my throat when my skin problems started I also start to have burning on my stomac (suspect an ulcer)was wondering what kind of disease I have.thanks so much Vivette my skin becomes red and different shape