My skin felt like needles but same time like something either crawl on me or bite me but it making me itch so bad when I itch it was painful but felt good same time yet I making myself bleed and it driving me insane. I don't understand what going on with me I mean I never know my health past or anything I am confuse and worry cause I am losing weight and is wondering if it cause my body is not use to my new weight or is it my genetic from my parents? please help me