I have etching in whole face and in all body when I walk on road in morning etching increases means after walking sweat come due to this sweat itching occurs in face whole body all the time no other member of my family have this problem now tell is it scabies or urticaria or dermatitis infection local drs suggested me allegra m from 15 days I am taking my etching decreases after taking allegra m but never got permanent treatment etching always occurs in scrotum Also what to do.