Do you preferentially avoid use of piperacillin-tazobactam for empiric anti-pseudomonal coverage in hospitalized patients due to risk of nephrotoxicity?   

The bulk of published data indicates that the onset of nephrotoxicity in patients receiving piperacillin-tazobactam plus vancomycin seldom occurs before 3 days of the combination. Thus, I do not object to initiation of this combination empiric therapy, but, as in all cases, therapy must be reevaluat...