580 1-2

A 17-year-old male presents with a complaint of a red, itchy rash over his torso and back x 1 week, which is keeping him up at night. He denies sick exposures or a recent visit to wooded areas. He d enies other symptoms, significant history, or allergies.

In order of importance, describe three (3) questions that you would like to ask this patient and give a brief explanation of why?
From the information provided, list your differential diagnoses in the order of “most likely” to “possible but unlikely.”