Which medications are used in the treatment of peritonitis and abdominal sepsis?

Updated: Jul 23, 2019
  • Author: Brian J Daley, MD, MBA, FACS, FCCP, CNSC; Chief Editor: Praveen K Roy, MD, AGAF  more...
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Answer

Empiric antimicrobial therapy must be comprehensive and should cover all likely pathogens in the context of the clinical setting. Traditionally, a combination of an aminoglycoside and ampicillin was used to treat SBP. This regimen affords excellent empiric coverage of more than 90% of SBP cases caused by gram-negative aerobes or gram-positive cocci. More recently, the third-generation cephalosporin cefotaxime has been demonstrated to be as effective as the ampicillin/aminoglycoside combination, and it does not carry the increased risk of nephrotoxicity in cirrhotic patients. Cefotaxime does not cover enterococci, which are the pathogen in up to 5% of cases.


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