I Have Bad Acne .. Im Use To Having The

i have bad acne .. im use to having the every now and then pimples from stress or lack of sleep .. what im not use too is the acne im having now its totally different for me ..i havent been lacking sleep or over sleeping , or stressing out on anything .. i still eat the same .. so i dont know how im getting this .. during the day (washed or unwashed face) my face is itchy and dry , then at night my face even if i have washed my face i still feel this ichy oil all over my face .. which by the way has caused my acne to spread around my neck , under my chin and on my ears (usually at the bottom of the ear where you would place an earring) .. some of my acne have turned into wounds or sore's from all the scratching i do while asleep .. what can help me get rid of this terrible acne and prevent it from coming back