During my almost 40 years of practice, the clinical problems I found most challenging involved pediatric patients with skin rashes. I found distinguishing the common benign origins of a maculopapular, pustular, or vesicular rash from more serious etiologies difficult. In this issue of Pediatric Annals, Drs. Miriam Weinstein and Deepak Kamat and their team of authors present a series of practica...