Nitazoxanide 500 mg is a powerful antiparasitic and antiviral medication used to treat infections like giardiasis and cryptosporidiosis. It works by disrupting the energy metabolism of parasites, stopping their growth and spread. This medication is commonly prescribed for diarrhea caused by protozoa in both adults and children. Nitazoxanide is also being researched for its antiviral potential against respiratory viruses, including influenza and COVID-19. The 500 mg tablet offers convenient dosing, especially for adults. It is usually taken with food to improve absorption and reduce stomach discomfort. Most patients tolerate it well, with mild side effects like nausea or headache. Nitazoxanide is approved by the FDA and widely trusted by healthcare providers. Its dual action against parasites and viruses makes it highly versatile. Always follow your doctor’s guidance when using Nitazoxanide for safe and effective results.