Thanks for your query.You had undergone Nephroureterectomy on Tr side with D.J stenting on left side. Was the culture and sensitivity of Urine done prior to surgery? These are the signs of what is called as Urosepsis (Severe UTI
)Pl get culture and sensitivity for urine done and start appropriate antibiotics,In the meanwhile take Inj Monosafe 1 gm and Injection Amikacin
500 mg twice daily and switch on to appropriate antibiotic after you get the culture report.