"Metronidazole selectively blocks some of the functions within the bacterial cells and the parasites resulting in their death. Metronidazole is one of the rare examples of a drug developed against a parasite which has since gained broad use as an antibacterial agent."
"Metronidazole is one of the rare examples of a drug developed against a parasite which has since gained broad use as an antibacterial agent. If other medication is taken while taking Flagyl. Metronidazole is an antibiotic effective against anaerobic bacteria and certain parasites."