Expert Rules EUCAST expert rules (listed below) are a tabulated collection of expert knowledge on interpretive rules. These rules should be applied to antimicrobial susceptibility testing to rationalise testing, reduce errors, and make appropriate recommendations for reporting particular…
Get to know moreThe guidance document on "Intravenous use of fosfomycin" updated. See guidance documents .
Get to know moreGuidance Documents All Antibiotic Infection Methodology Pathogen Regulatory Document Title Date of Publication Previous Versions and Notes Infective endocarditis - EUCAST guidance on the reporting of antimicrobial susceptibility testing results November 2025 July 2025 December 2024 Daptomycin in…
Get to know moreThe EUCAST guidance on what to do when there are no breakpoints in the breakpoint table (species lacking, agent lacking, IE, dash etc) has been thoroughly revised in February 2024. Go to the EUCAST webpage for this and other Guidance documents .
Get to know moreClinical Breakpoint Tables Breakpoints are part of a system for categorizing microorganisms as: Susceptible (S) Susceptible, increased exposure (I) Resistant (R) To antimicrobial agents approved for use in the treatment of infectious diseases. Information of the structure of the tables and how they…
Get to know moreMIC Determination of non-fastidious and fastidious organisms The EUCAST recommendations for MIC determination for non-fastidious organisms are in complete agreement with the recommendations from the International Standards Organisation ( ISO ). For fastidious organisms (streptococci including S.…
Get to know moreTigecycline rationale and guidance documents were revised.
Get to know moreBacteria Most of EUCAST’s work is dedicated to defining breakpoints for bacteria that cause infections in humans. How to Use This Section: This page gives you access to information and services related to pathogenic bacteria. Important: All resources here are complementary. Please review them…
Get to know moreThe use of cefotaxime and ceftriaxone in infections caused byS. aureus - a new guidance document.
Get to know moreWithin days the EUCAST website will have a new face. Do not worry - you do not have to prepare, change or add anything. The old webmaster bows out and someone new takes over. I have looked after the website and its transitions for exactly 25 years but have no hand in the most recent transition. I am…
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