2 yrs ago in a college trip (hill station) suddenly my skin in and around my areola n nipple started itching,, then continued to bad itching .. n me itching them both badly leaving scars and marks on the skin on the both the breats around areola...all this was on and off ,, may be every winter i used to get frm that year ,, dunno wy every winter ,, and dunno wy never before that it happened,,.. wats tat? wats the reason? and how can i cure that? and how can i cure the scars?