Spreading eczema and areas of raw, oozing skin

A 13-month-old toddler with spreading eczema on his trunk and arms is brought in by his mother. She is applying moisturizer and a cortisone cream. However, 2 days earlier, a wound appeared on his left hand that appears to be infected. Since then, more areas of raw, oozing skin have developed. Examination reveals lichenified scaling plaques scattered on the trunk ...