Even if you take good care of your skin very well, there will always be times when skin conditions will appear all of a sudden. Eczema is one of the most common skin ailments that affect so many people. There are a few types of this skin condition that have to be very well distinguished first before they get treated properly. Atopic eczema is the genetic type that is very itchy and affects both adults and infants. Dishydrotic eczema is an isolated type that affects the hands or the feet. It is very severe and when the blisters burst, is very painful. Nummular eczema is widespread already. You have to keep your skin very well-moisturized to prevent this type of eczema.