Eczema (also known as dermatitis) is a dry skin condition. It is not contagious so you cannot catch it from someone else. Its symptoms in mild cases are dry, scaly skin appearing on red, inflamed areas dry, scaly, red and itchy. In more severe cases there may be weeping, crusting and bleeding. Constant scratching causes the skin to split and bleed and also leaves it open to infection. Various supplements are useful for those individuals who suffer from eczema.