About nitazoxanide
Antiprotozoal and antiparasitic
Used for
- Treats diarrhea caused by Giardia or Cryptosporidium.
Usual adult dose
For adults and adolescents aged 12 years or older: 500 mg every 12 hours with food for 3 days.
Usual dose in children
For children aged 1–11 years, oral suspension is dosed by age every 12 hours with food for 3 days; tablets are unsuitable for young children.
Common side effects
- Abdominal pain
- Nausea
- Headache
- Yellowish urine
Important warnings
- Take with food.
- Use cautiously in people with liver or kidney disease; evidence is limited.
- This medicine does not treat every cause of diarrhea.
Pregnancy
Human pregnancy data are limited; use only when a clinician considers it necessary.
Breastfeeding
It is unknown whether nitazoxanide passes into breast milk; consult a healthcare professional.
Interactions
- Warfarin: may increase anticoagulant effect; monitoring may be needed.
- Highly protein-bound medicines with narrow therapeutic ranges may interact.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.