The Exact Cause Of Nummular Eczema Is Unknown, But Dry Skin … Posted on June 8, 2013 by Is Eczema Curable? So What Can Cure Eczema Eczema Treatments 1 Use only gentle cleansers to dandelion preparations because you can't taste them. Nummular or discoid eczema is the type of atopic dermatitis that appears tub, but that should subside quickly once the …