<prompt> Most common organism causing hemolytic uremic syndrome -CampylobacterSalmonellaEnterohemorrhagic E coliShigella  <response>: Ans. is c i.e., Enterohemorrhagic E coli Hemolytic uremic syndrome is caused by - Enterohemorrhagic E.coli EHEC - M.C. Shigella dysenteriae type 1 Campylobacter Salmonella Drugs - Cyclosporine, Clopidogrel and Quinine 