Metronidazole is a synthetic antibacterial and antiprotozoal agent that belongs to the nitroimidazole class. Metronidazole is effective therapy against protozoa such as Trichomonas vaginalis, amebiasis, and giardiasis Entamizole Syrup Entamizole syrup used for the treatment, control, prevention, & improvement of the following diseases, conditions and symptoms: Stomachinfection Abdominal infections Amoebiasis Anaerobic infections Giardiasis Infections of gum and dental cavities Intestinal infection Pelvic area infection Brain infection Lung infection Bones infection Amebic colitis Entamizole Syrup may also be used for purposes not listed here.