Suggest Treatment For Itching And Bumps On The Body

it use to feel like bugs were on me about a week ago after. i laid in a friends bed for a couple of nites and now, about 6 weeks later. My skin always itches, on my legs, sometimes my lower stomach, and my but always itches, and i have little bumps in those places. Also on my hands and in between my fingers too. My genital area near itched until i rubbed it once and later i seen some patch looking bumps