Nitazoxanide Dosage Guide: Adults vs. Children Nitazoxanide is an antiparasitic and antiviral medication commonly used to treat diarrhea caused by protozoa like Giardia lamblia and Cryptosporidium parvum. The dosage varies by age and form (tablet or suspension). For adults and children over 12 years, the typical dose is 500 mg every 12 hours for 3 days. Tablets are usually prescribed for this age group. For children aged 4–11 years, the recommended dose is 200 mg every 12 hours (often as an oral suspension) for 3 days. For toddlers aged 1–3 years, the dosage is typically 100 mg every 12 hours, also for 3 days. Always follow the prescribing doctor’s instructions, and ensure the full course is completed even if symptoms improve. Do not adjust doses without medical advice, especially for young children. Note: Dosages may vary depending on the specific infection and individual health condition. Visit : https://www.dosepharmacy.com/nizonide-500mg-tablet