Only relief is ice. It started 10 years ago (was living in mountains of Colorado
--sunny, but little humidity) in the summer. It comes back every year around July/August and lasts thru December, disappearing just as suddenly as it returned. Does your itch do this as well? I am awake every single night with this, although it also occurs in the daytime now. It started on my left upper arm, but seems to expand each year.