Which of the following is not true regarding pseudomembranous  colitis?
Though pseudomembranous colitis is clasically caused by clostridium difficile, but also caused by salmonella, clostridium perfringes and saurevs in some cases.
Antibiotic associated diarrhea eg: 3rd gen cephalosporins .
Characterised by pseudomembranes at the site of mucosa injury.
Presents as watery diarrhea, abdominal pain and fever
Clostridium difficile is the only cause.