We report a 50-year-old Caucasian male with a complicated past medical history who developed extensive polymicrobial osteomyelitis, including a carbapenem-resistant Acinetobacter baumannii (CRAB). In order to streamline therapy, the patient received compassionate use cefiderocol for 6 weeks which was well tolerated. In addition, the patient's infection was considered cured at end of treatment. Few cases on the use of prolonged cefiderocol for treatment of osteomyelitis due to CRAB have been published. Our patient did not report adverse reactions, nor did he develop laboratory abnormalities which were assessed throughout and at the end of the 6-week course.
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