Nizonide 500mg is an antiparasitic medication primarily used to treat infections caused by parasitic worms, including protozoa like Giardia lamblia and Cryptosporidium parvum. The active ingredient in Nizonide is Nitazoxanide, which belongs to the class of broad-spectrum antiparasitic and antiviral agents. These infections are often contracted through contaminated water or food and can lead to...