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Information and Resources
Nitazoxanide for giardiasis
Examples
| Generic Name | Brand Name |
|---|---|
| nitazoxanide | Alinia |
How It Works
The exact way this medicine kills the giardia parasite is not known. The medicine may interfere with the metabolism of the parasite, causing its death.
Why It Is Used
Nitazoxanide is approved to treat giardiasis in children and adults.
How Well It Works
The effectiveness of nitazoxanide is similar to metronidazole for the treatment of giardiasis.1
Side Effects
The frequency of side effects from taking nitazoxanide was no greater than that caused by a placebo. The most common side effects were:
Some people also developed yellowing of the whites of the eyes while taking the medicine. But this went away soon after the people stopped taking the medicine.
See Drug Reference for a full list of side effects. (Drug Reference is not available in all systems.)
What To Think About
Nitazoxanide also works for treating infections with the parasite Cryptosporidium.
Nitazoxanide comes in liquid and pill forms, so it is easier for some people to take.
Complete the new medication information form (PDF)
(What is a PDF document?) to help you understand this medication.
WebMD Medical Reference from Healthwise
Last Updated:
September 30, 2009
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this
information.
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