It's some other parasites disease that US docotrs have no idea. They call it allergy. If they can not cure you, they'll say you have nerve problem, needs antidipressant---the highest level of antihistamine, if all other antihistamine does not work. I was on Hydroxyzine before I came to China, and would have all body rash if I stop. Please read my newest post. Lets work together, help ourself, and our children. They are very likely to inherit our sensitive skin.