Flagyl never stopped my diarrhea so I'm not sure if that could be causing things to prolong or not.But once it stopped it would be days before I had any movement at all. I would give it another day and maybe call your Dr. tomorrow.Maybe you only need Vanco but that would be your Dr.'s call. If the Travelers’ diarrhea (TD) is the most predictable travel-related illness. Attack rates range from 30% to 70% of travelers, depending on the destination and season of travel. Traditionally, it was thought that TD could be prevented by following simple recommendations such as “boil it, cook it Infectious gastroenteritis is usually acute (rapid onset and short course), but certain parasites (such as Giardia) can cause chronic diarrhea. Cyclospora, a parasite, is associated with recent outbreaks attributed to imported berries. Cipro for infectious diarrhea. Common Questions and Answers about Cipro for infectious diarrhea. cipro. I also had diarrhea for a loooong time about a year ago. It was an URGENT diarrhea. While talking to a friend she mentioned to me that her son had diarrhea for a long time and his doctor told him to eat Yogurt 4 times a day for a month. I tried it and it worked wonders. It seems that. INTRODUCTION. Infectious diarrhoea is the most common cause of diarrhoea worldwide and is responsible for more deaths than gastrointestinal cancers, peptic ulcer, or inflammatory bowel disease. -Metronidazole is the drug of choice for initial treatment of mild to moderate diarrhea and for first relapse. -Vancomycin enema plus IV metronidazole is recommended as initial therapy for patients with severe disease and for patients who do not respond to oral metronidazole. Flagyl is used to treat parasitic infections including Giardia infections of the small intestine, amebic liver abscess, and amebic dysentery (infection of the colon causing bloody diarrhea), bacterial vaginosis, trichomonas vaginal infections, and carriers of trichomonas (both sexual partners) who do not have symptoms of infection. A more severe case of infectious diarrhea called Clostridium difficile (C. difficile) can happen with almost any antibiotic, and is more common when hospitalized. Serious complications can include inflammation of the intestine known as pseudomembranous colitis. However, the good news is that metronidazole is used What Conditions does Flagyl Treat? Blood Infection caused by the Bacteria Bacteroides; pus in the lungs caused by the bacteria Bacteroides; Infection of the Abdominal Lining caused by Peptococcus Management of children with prolonged diarrhea Antonietta Giannattasio , 1 Alfredo Guarino , a, 1 and Andrea Lo Vecchio 1 1 Department of Translational Medical Sciences - Section of Pediatrics, University of Naples, Federico II, Via S. Pansini 5, Naples, 80131, Italy.