Most common cause of bacterial peritonitis is: (A) Primary or spontaneous, (B) Perforated viscus, (C) Foreign body, (D) Biliary peritonitis
Answer is B. Peritonitis secondary to any bowel or other visceral pathology eg. perforation, appendicitis is termed as secondary peritonitis, E-Coli is the commonest organism causing this. Primary peritonitis - there is no documented infection, it&;s monomicrobial, extraperitoneal postoperative leak after surgery for gallbladder, CBD, ERCP, duodenum, pyloroplasty Reference: SRB 5th edition page no.566,573