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  1. Aschenbrenner, Diane S. MS, RN


* Zerbaxa is a newly approved combination antibiotic used concomitantly with metronidazole to treat adults with complicated intraabdominal infections and as monotherapy to treat complicated urinary tract infections. Zerbaxa is a combination of ceftolozane and tazobactam.


* Patients with diminished renal function will require lower doses, and the drug may be less effective in such patients.