What Causes Severe Itching Of The Body Having A History Of Lupus?

Hello my name is Vivi, I have lupus and almost 5 weeks ago I started having this ichy and hives, but I saw my rehumhaving a atology and she disregard soriasis, I saw 1 week ago a dermatology and she gave me prescribe triamcinolone acetonide oitment 0.1% and pills hydroxyzine 10 mg. I still having this ichy, and not just that I notice that before the ichy sensation comes the part of my body got really hot, I have in my legs, arms and my abdomen is the most where the ichy attacks and I don t know what else to do, I do have fibromyalgia, and I been on internet trying to find any similar case and I couldn t find, besides because de lupus my skin is thinner and went I scrach I break my skin and start bleeding and is painful and I have black and blues all over where I scrach. I don t know what else to do, maybe you can across someone like this