text: skin citations,itch bump, becoming circular in shape and redish. what is it?   sounds like hives...which i happen to have a case of myself.  the little circles they form are called wheals.  do a google on urticaria...the formal name for hives.  if you have hives, treat them with antihistamines...ie, benadryl.  if you have an extrememly bad case...you may need need something from your doctor...perhaps, a prednisone injection.  hope this helps.  feel better soon!