Carbapenem resistant Enterobacteriaceae are unaffected by most used antibiotics. Carbapenem resistance in Gram-negative bacterial isolates poses a concern. Eravacycline is a potent new therapy option to treat organisms that exhibit extended-spectrum -lactamases and carbapenem-resistant Enterobacteriaceae. The chequerboard microdilution panel method was used to evaluate the effectiveness of eravacycline when combined with other antibiotics. Most effective against Escherichia coli isolates was the combination of eravacycline and polymyxin B, with 60% synergism and eravacycline-Ceftazidime combination was the most potent combination against Acinetobacter baumannii with 80% synergism. Eravacycline is having synergistic benefits against carbapenem-resistant isolates when combined with cephalosporins or polymyxin B.
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