Caroline Z. Tan, BA; Roberto Novoa, MD; Jennifer K. Chen, MD
A 75-year-old woman with rheumatoid arthritis and genital herpes simplex virus 2 presented with painful, pruritic plaques on her buttock. She denied recent trauma to the area, skin exposures, fever, or lymphadenopathy. She takes prednisone, pregabalin, and valacyclovir. What would you do next?