What are metronidazole extended-release tablets?
METRONIDAZOLE (Flagyl® ER) kills or prevents the growth of certain bacteria and protozoa (single cell organisms). Metronidazole extended-release tablets are used to treat an infection of the vagina called bacterial vaginosis. Metronidazole is also used to treat other types of infections. Generic extended-release tablets of metronidazole are available.