Nizonide 500mg is an antiparasitic medication containing Nitazoxanide as its active ingredient. It is commonly used to treat infections caused by protozoa and certain intestinal parasites, including Cryptosporidium and Giardia. The nizonide 500mg works by interfering with the energy production of these parasites, effectively eliminating them from the body. This medication is often prescribed for diarrhea caused by parasitic infections. Nizonide 500mg should be taken as directed by a healthcare professional, usually with food to enhance absorption. Patients should complete the full course of Nizonide 500mg to prevent recurrence of the infection and ensure effective treatment.