nitazoxanide, Alinia

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

What is nitazoxanide-oral tablet, and how does it work (mechanism of action)?

  • Nitazoxanide is an oral medication that prevents growth of Giardia lamblia and Cryptosporidium parvum.
  • Giardia lamblia and Cryptosporidium parvum are protozoans that cause diarrhea.
  • Nitazoxanide works by interfering with the conversion of chemicals to energy in protozoal cells.
  • The FDA approved nitazoxanide on July 21, 2004.

What brand names are available for nitazoxanide-oral tablet?


Is nitazoxanide-oral tablet available as a generic drug?


Do I need a prescription for nitazoxanide-oral tablet?


What are the uses for nitazoxanide-oral tablet?

Nitazoxanide is used for the treatment of diarrhea caused by Giardia lamblia or Cryptosporidium parvum.

What are the side effects of nitazoxanide-oral tablet?

Common side effects of nitazoxanide include:

Other side effects of nitazoxanide include:

Diabetic patients and caregivers should be aware that the oral suspension of nitazoxanide contains 1.48 grams of sucrose per 5 mL.

Nitazoxanide should not be used by patients who are allergic to nitazoxanide or any other ingredient in the formulation.

Possible serious side effects of nitazoxanide include:

Medically Reviewed by a Doctor on 1/13/2016
FDA Logo

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

RxList Logo

Need help identifying pills and medications?

Use the pill identifier tool on RxList.

Subscribe to MedicineNet's Newsletters

Get the latest health and medical information delivered direct to your inbox!

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.

Health Solutions From Our Sponsors