Hemolytic uremic syndrome associated with group A beta-hemolytic streptococcus.

Group A beta-hemolytic streptococcal (GABS) hemorrhagic colitis due to Streptococcus pyogenes is extremely rare and its association with hemolytic uremic syndrome (HUS) in children has not been described. We report a 9-year-old white male who developed biopsy-proven HUS while continuing to have GABS-positive bloody diarrhea. Renal function deteriorated rapidly requiring intermittent hemodialysis. Three months following discharge, his renal function is normal for age except for significant proteinuria.