E.coli Amp C positive

Escherichia coli resistant to Ampicillin, Amoxicillin/Clavulanate and Cefuroxime.
Co-trimoxazole: susceptible, increased exposure

ESBL-producing E.coli

AMP Ampicillin AMC Amoxicillin/Clavulanate CXM Cefuroxime SXT Trimethoprim-Sulfamethoxazole
CIP Ciprofloxacin FOS Fosfomycin NFE Nitrofurantoin