What is the recommended antibiotic regimen for the treatment of SBP in patients with cirrhosis?

Guideline-aligned answer with reasoning, red flags and references. Clinically reviewed by Dr Kola Tytler MBBS CertHE MBA MRCGP.

Posted: 17 August 2025Updated: 17 August 2025 Guideline-Aligned (High Confidence) Clinically Reviewed
Dr Kola Tytler MBBS CertHE MBA MRCGPClinical Lead • iatroX

For the treatment of spontaneous bacterial peritonitis (SBP) in patients with cirrhosis, the recommended initial antibiotic regimen typically involves a third-generation cephalosporin . Cefotaxime is a commonly used empirical antibiotic for community-acquired SBP . Other third-generation cephalosporins, such as ceftriaxone, are also considered effective options for empirical treatment . These antibiotics are generally recommended due to their broad-spectrum activity against common causative organisms of SBP .

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