<prompt> Which of the following antimicrobial agent do not require reduction in dose in patient with renal failure-RifampicinFluconazoleVancomycinImipenem  <response>: Ans. is a i.e., Rifampicin Antimicrobials that do not require dose reduction in renal failure Cephalosporins Fluoroquinolones Cefoperazone o Trovafloxacin Ceftriaxone o Grepafloxacin Cefopiramide o Pefloxacin Macrolides o Moxifloxacin o Erythromycin o Clarithromycin o Azithromycin Other Miscellaneous Tetracycline o Clindamycin o Docycycline o Chloramphenicol Minocycline o Metronidazole Antitubercular o Linezolid o Rifampicin o QuinupristinDalfopristin o Rifapentine o NafcillinOxacillin o Rifabutin o Penicillins 