Nitazoxanide 200 mg | Nizonide 200 | Dosepharmacy Nitazoxanide is an antiparasitic and antiviral medication used to treat a variety of infections, most commonly intestinal infections like giardiasis and cryptosporidiosis. It works by inhibiting the energy production of parasites, effectively stopping their growth. Nitazoxanide is also being explored for its potential in treating viral infections such as hepatitis B, hepatitis C, and even COVID-19 due to its broad-spectrum antiviral activity. https://www.dosepharmacy.com/nizonide-200mg-tablet