The nizonide 500mg is an effective treatment for diarrhea caused by parasitic infections like giardiasis and amoebiasis. The active ingredient, Nitazoxanide, works by inhibiting the growth of parasites in the intestines, providing rapid relief from symptoms such as watery stools, abdominal cramps, and nausea. To use, follow your healthcare provider's instructions carefully. It's important to complete the full course of treatment to prevent recurrence. Nizonide 500mg is generally well-tolerated but consult your doctor if you experience any side effects. With Nizonide, you can resolve your diarrhea problem and restore digestive health quickly.