Nummular dermatitis

Nummular dermatitis
Other namesDiscoid dermatitis, Discoid eczema, Microbial eczema, Nummular eczema, Nummular neurodermatitis
Lesions visible on outer thigh
SpecialtyDermatology
Differential diagnosisDermatophytosis (Ringworm)

Nummular dermatitis (commonly known as nummular eczema or discoid eczema) is one of the many forms of dermatitis. It is characterized by round or oval-shaped itchy lesions. The name comes from the Latin word "nummus," which means "coin."