The incidence of NDM-producing Klebsiella pneumoniae is increasing worldwide. NDM beta-lactamase is a significant cause of multidrug resistance in enterobacteria to various antibiotics, including carbapenems. Currently, the most suitable approach for the treatment of intestinal infections caused by NDM-producing K. pneumoniae is considered to be the combination of ceftazidime/avibactam with aztreonam. The following case study also illustrates its use in more complicated cases.