Q. A 6-year-old boy is brought to the pediatric clinic by his mother, who reports that over the past week, her son developed small blisters on his face. Initially, she thought they were insect bites, but they rapidly progressed to larger blisters, which eventually ruptured. She is particularly concerned because the ruptured blisters are now covered with a "honey-colored" crust. On examination, the child appears well, without fever or irritability. There are multiple ruptured bullae on both cheeks, with adherent honey-colored crusts. The surrounding skin is erythematous. No lymphadenopathy is palpable. There are no other skin lesions elsewhere on the body. What is the most appropriate treatment for this pediatric patient?