i have white spots on arms and are spreading they itch Also dry patcehs in chest and back very itchywhat is it help Hello, I have white spots in my arms, howerver, there spreading. Its been five months with this condition. I also have dry patches in my chest and back that are very irritated and dry they itch alot. Today i found some dryness next to my ear and cheeck. Doctor told me i need to see a dermatologist , i dont have an appointment until May due to my insurance i can not go some where else. MD gave me antifungal medication and did not work. She said it might be PItyriasis Alba , however, she could not helpt me. Im stressing they itch alot and there spreading know to my face and hands.