diverticulitis
"I was prescribed Flagyl and cipro Sunday night when I went to ER for severe abdominal pain.  CT scan revealed acute colitis.  Day 3 of antibiotics and now feeling nauseous, light headed, no appetite, vomiting and diarrhea.  Pain gone but will suffer through if it clears up those pesky parasites. Doc said could be short or long term. I vote for short.  The docs should warn of possible side effects to prepare a person."