What is the difference between Nitazoxanide 500 and Metronidazole 100? Nitazoxanide 500 vs Metronidazole 100 In the world of pharmaceuticals, various medications serve distinct purposes, often with similar-sounding names that can lead to confusion. Nitazoxanide 500 and metronidazole 100 are two such drugs that might puzzle individuals seeking information about their uses, mechanisms, and overall …