Symptoms of pseudomembranous colitis may include:  Watery diarrhea. Stomach cramps, pain or tenderness. Fever. Pus or mucus in the stool. Nausea. Dehydration.  Symptoms of pseudomembranous colitis can begin as soon as 1 to 2 days after you start taking an antibiotic, or as long as several months or longer after you finish taking the antibiotic.
symptoms pseudomembranous colitis may include:  watery diarrhea  stomach cramps  pain tenderness  fever  pus mucus stool  nausea  dehydration   symptoms pseudomembranous colitis can begin soon 1 2 days start taking antibiotic  long months longer finish taking antibiotic
pseudomembranous colitis