Nummular Dermatitis

Nummular dermatitis (also known as "Discoid eczema," "Microbial eczema," "Nummular eczema," and "Nummular neurodermatitis") is one of the many forms of dermatitis. Also known as discoid dermatitis, it is characterized by round or oval-shaped itchy lesions. (The name comes from the Latin word "nummus," which means "coin.")