what diseases is flagyl used for
Uses of This Medicine. Metronidazole is used to treat bacterial infections in different areas of the body. The extended-release tablets are used to treat women with vaginal infections (bacterial vaginosis). Metronidazole belongs to the class of medicines known as antibiotics.It works by killing bacteria or preventing their growth.he extended-release tablets are used to treat women with vaginal infections (bacterial vaginosis). Metronidazole belongs to the class of medicines known as antibiotics. It works by killing bacteria or preventing their growth.