Pedro, a 7-year-old boy, is having his first physical examin…

Pedro, a 7-year-old boy, is having his first physical examination with a new pediatrician. While discussing the boy's medical history, his mother states that he was diagnosed with pink eye by his previous pediatrician a few months ago. She tells you that he prescribed antibiotic eye drops that cleared up the condition in about a week or so. What condition did Pedro have?

During a recent medical visit, Ryan had some routine blood w…

During a recent medical visit, Ryan had some routine blood work done. Although he hadn't been experiencing any symptoms other than periodic mild abdominal discomfort, he was surprised to hear that his eosinophil count was high. What is the likely cause of Ryan's elevated eosinophil level?