Drug reference

nitazoxanide

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Drug class

Anti Bacterial (Miscellaneous(Anti Bacterial))

Mechanism of action

Inhibits growth of sporozoites and oocysts of Cryptosporidium and trophozoites of Giardia. Interferes with pyruvate:ferredoxin oxidoreductase (PFOR), essential to anaerobic energy metabolism.

Common side effects

  • Vomiting
  • Headache
  • Nausea
  • Chromaturia
  • Abdominal pain
  • Diarrhea

Related conditions

Frequently asked questions

What drug class is nitazoxanide?

nitazoxanide belongs to: Anti Bacterial.

How does nitazoxanide work?

Inhibits growth of sporozoites and oocysts of Cryptosporidium and trophozoites of Giardia. Interferes with pyruvate:ferredoxin oxidoreductase (PFOR), essential to anaerobic energy metabolism.

What are the common side effects of nitazoxanide?

Vomiting, Headache, Nausea, Chromaturia, Abdominal pain, Diarrhea

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug reference