Hi doc! My son 9mnth old got 60-80 pus cells in urine & has a temp of 104, hence doc admitted to hosp, gave monocef thru iv, orally mephtal p & calpol drops, after discharge, he is on taxim o syp for 5days after that we have to start niftas 50 1/2 tab every night, doc has advised usg kub, mcu & dmsa, is there a need for these tests as i read abt dmsa which again requires iv injection?