D Question 8 A 58 year-old female presents to the clinic with c/o a rash and mild joint pain that started 2 days ago. She states that she felt like she may have had a “low fever”, but didn’t check temperature. She denies any other associated symptoms. She reports no PMH except 5 days ago, she went to urgent care and was diagnosed with UTI. She was prescribed Ciprofloxacin at that time because that is the “antibiotic I took for UTI in the past and it really helped: On exam, you note a maculopapular rash to arms and torso. VS: Temp: 99.8, HR: 84, BP: 118/68, RR: 18. Exam is otherwise benign. You order U/A, C&S to determine if Cipro is sensitive, CBC, and BMP. Meanwhile, the U/A results reveal: White cell casts. The CBC revealed eosinophilia. BMP: Creatinine is elevated. Which of the following is the most likely diagnosis? • Chronic Kidney Disease • Interstitial nephritis • Ureteral stones • Lupus