Urinary tract infection by shigella sonnei

A rare case of urinary tract infection caused by Shigella sonnei is described in a renal transplant recipient adult female on immuno-suppressive therapy. The patient improved and urine cultures became negative after a course of intravenous cefotaxime, given in doses of 1 gm 8 hourly for seven days. The role of S.sonnei in extra-intestinal infections is reviewed