What Is Discoid Eczema (Nummular Dermatitis)? What Causes Discoid Eczema?

Discoid eczema, also known as discoid dermatitis, gravitational eczema, nummular dermatitis, and nummular eczema is a form of dermatitis. It is a chronic (long-term) or recurrent condition. A rash appears on the skin in the form of red coin shaped discs - plaques of eczema - which can affect different parts of the body, but primarily the lower legs, hands and forearms, and sometimes the trunk...