Isolation of Shigella in the bloodstream is a rare sequela of Shigella infections. Shigellemia typically occurs in patients with immature immune responses or in immunocompromised adults. Herein, we present a case of shigellemia in a 40-year-old male who presented with diabetic ketoacidosis (DKA), severe diarrhea, hypovolemic hyponatremia, and altered mental status. Stool cultures were found to be positive for Shigella , and broad-spectrum antibiotic therapy was initiated. Because of the patient’s reported sexual exposures, a rapid HIV point of care test was done and returned negative. In spite of intervention, the patient’s vitals, labs, and symptoms failed to improve, and he developed septic shock requiring pressor support in the intensive care unit. Further workup for the etiology of the patient’s sepsis included a CT abdomen and pelvis which showed findings concerning infectious colitis. Blood cultures later returned positive for Shigella , which was found to be resistant to multiple antibiotics. The patient was started on IV ceftriaxone with an improvement of and eventual resolution of symptoms. Shigellemia is a rare complication of infection with Shigella and necessitates further workup to avoid overlooking potential predisposing factors such as HIV or other immunocompromising conditions. Its susceptibilities should also be evaluated, as Shigella strains are more frequently becoming resistant to antibiotics that had previously been the therapies of choice.
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