When I was still young, I thought that my eczema will just heal by itself not until I got older. However, eczema can continue in some adults or recur suddenly later in life. My doctor prescribed me corticosteroids. There is no need to worry about spreading it to other people.
Showers and baths should be warm, but not hot. However, scratching is damaging in the long term, possibly introducing bacteria and infections into the skin. Try