The first thing you have to know about the eczema  is that is a very well spread skin affliction. This is not because of the fact that it is contagious but because of the fact that it can appear because of various reasons.
One of the most common causes of apparition is an unhealthy environment. This can mean toxic substances or untreated small skin lesions.  It is easily recognizable. The skin changes its usual aspect. It becomes red, swelled and itchy. If you have any of these symptoms you should contact a medic right away.
You shouldn’t be alarmed. Although the eczema is hard to get rid of it is rarely serious and almost never life threatening. Once the doctor has prescribed the treatment stick to it until the problem goes away and even a few days after. Skin conditions usually have a habit of reappearing just when you think you have seen the last of them.