What does the skin effects look like if maybe gluten free? I have have very itching spots on arms and legs below knee. I scratch them until they bleed. I know that I should not but it is so intense and I didn t know how good it could feel to scratch something. They never heal. I resist scratching, and they start to look like they are healing. But never do. I have used Benadryl, hydrocortisone cream,neosporin, lotrimin. They feel hard underneath. They never form a hard scab,just a flaky covering. What could it be?I have had these for at least a year, not being able to wear anything but pants. I love going to beach, pool, lake, but this is 2nd summer that I have not been able to wear swim suit in public.