Metronidazole is a generic prescription drug used for certain infections in adults and some children. As with other drugs, metronidazole can cause side effects, such as nausea, diarrhea, and upper ...

The full CMI on the next page has more details. If you are worried about using this medicine, speak to your doctor or pharmacist. Flagyl S contains the active ingredient metronidazole benzoate (liquid ...