I can’t help with the aggression, but as far as the itchy back goes, several members of my family had this and a medical friend suggested the removal of NutraSweet and other artificial sweeteners. And it worked! No more itchy back; sounds crazy but you might want to try it, I doubt you’re letting him drink diet soft drinks 🙂 but, you’d be amazed at what NutraSweet is in (i.e. like children’s vitamins). I could swear I’ve also read about it in relation to aggravating eczema, maybe someone else can comment.
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