what could be this rash?

ive had eczema on his legs and back as I have better.but now I have a lot of small round itchy dry spots me, she is going crazy, which look like small red circles.has anyone ideas what could be?

The Hives? Http: / / images.google.co.uk / images? Hl = en & q = hives & um = 1 & ie = UTF-8 & sa = N & tab = wi I get when I have an allergic reaction to a detergant wash, bath soaps, shower gel or true.