I was in Nogales, a rural border town in Arizona, for my third-year pediatric outpatient rotation, scampering through a busy day in clinic. My patient was a baby boy in for a one-month checkup. His mom had her two other kids with her, and she looked exhausted. My patient was healthy except for a terrible diaper rash with raw, extensive epidermal sloughing. His mom and I were concerned about it; even my attending was a bit taken aback. She counseled the mom and handed her a tube of diaper rash cream.