Nitroimidazoles are highly potent antiprotozoal agents with wellestablished indications. Since the discovery of metronidazole, a member of this group, the treatment of amoebiasis has been revolutionized. Despite its extreme potency against E-histolytica, metronidazole has to be taken for a relatively long penod (10 days) and hasvanous side effects including headache, metallic taste, nausea, dia...