Discoid eczema, also known as nummular eczema, is an inflammatory condition that causes raised, oval-shaped rashes on the skin. Researchers aren’t sure of this skin disease’s causes ...

Stress is also a trigger. Nummular eczema: "Nummular," the Latin word for "coin," refers to the coin-shaped spots on the skin. It’s also called discoid eczema because the scaly patches look like ...

Clinical phenotypes of atopic dermatitis can vary greatly based on skin color and can make atopic dermatitis difficult to diagnose.