Learning what your eczema triggers are and avoiding ... It appears in the skin folds of the armpits, groin, and around the neck. It's not common, but an acanthosis nigricans rash can be itchy.

If this wonder ingredient could clear up my underarm itch, I was in. I’ve suffered from eczema on and off since school – in between my elbow creases and once I had a weird patch on my shin ...