Nitazoxanide is an antiprotozoal medicine that treats infections caused by protozoa (single-cell parasites that live in moist places such as lakes, streams, and soil).
Nitazoxanide is used to treat diarrhea caused by Giardia or Cryptosporidium. These conditions are sometimes called "Traveler's diarrhea." Nitazoxanide is used in adults and children who are at least 1 year old.
Nitazoxanide may also be used for purposes not listed in this medication guide.
