<prompt> A 4 months old infant with UTI was treated for 14 days with IV cefotaxime. What is the next step in management?USG onlyUSG MCUUSG DMSAUSG MCU DMSA  <response>: a. USG onlyRef: Nelson 20e 2560-2561, EUA guidelines 2014AAP recommends that in a typical first-episode of UTI, initial imaging should be ultrasonography of the kidneys, ureters, and bladder.VCUG is indicated if the ultrasound study is abnormal, the patient has atypical features, or after a recurrent febrile UTI.As per EUA European Association of Urology, Renal and bladder USG is advised in all children with febrile UTI to exclude dilatation or anomalies of the upper lower urinary tract, if no improvement is seen within 24 h 