Background: Klebsiella oxytoca can cause various infectious complications in healthy as well as in immunocompromised individuals.
Case Presentations: Case 1: A 49 year old female with multiple myeloma received an autologous hematopoietic stem cell transplant in October 2005. Eight days following her autograft she developed septic shock caused by Klebsiella oxytoca bacteremia which was successfully treated with intravenous meropenem and gentamicin.