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Nitazoxanide (By mouth)

Treats diarrhea caused by a parasite infection.

What works?

Learn more about the effects of these drugs. The most reliable research is summed up for you in our featured article.

Nitazoxanide is used to treat diarrhea that is caused by certain types of protozoa (tiny, one-celled animals). It belongs to a group of medicines called antiprotozoals. This medicine is available only with your doctor's prescription… Read more
Brand names include
Alinia
Drug classes About this
Antiprotozoal

What works? Research summarized

Evidence reviews

Nitazoxanide for chronic hepatitis C

Hepatitis C is a virus that infects people’s liver. When an infection goes on for a long time, it is said to be ‘chronic’.

Drugs for treating giardiasis

Giardiasis is an infection of the small intestine caused by a microscopic organism called Giardia lamblia. The infection is passed from person to person by ingesting faecally contaminated water or food. Symptoms frequently include diarrhoea, abdominal pain, flatulence, bloating, vomiting, and weight loss. In this review, we assess alternatives to the most commonly used treatment for giardiasis; metronidazole given orally for five or more days.

Not enough evidence on effectiveness of drugs or preventive measures on disease caused by Cryptosporidium.

Cryptosporidiosis is a disease that causes diarrhoea, and can be life‐threatening in individuals whose bodies are not able to resist infections. It causes disease in the both the developed and the developing world. This review of trials found insufficient evidence to say whether any drug is able to reduce or cure the symptoms of Cryptosporidium infection or to effectively kill the organism among individuals who cannot resist infections. A limited amount of evidence was found indicating that the drug nitaxozanide can kill the organism in individuals with a normal immunity.

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Summaries for consumers

Nitazoxanide for chronic hepatitis C

Hepatitis C is a virus that infects people’s liver. When an infection goes on for a long time, it is said to be ‘chronic’.

Drugs for treating giardiasis

Giardiasis is an infection of the small intestine caused by a microscopic organism called Giardia lamblia. The infection is passed from person to person by ingesting faecally contaminated water or food. Symptoms frequently include diarrhoea, abdominal pain, flatulence, bloating, vomiting, and weight loss. In this review, we assess alternatives to the most commonly used treatment for giardiasis; metronidazole given orally for five or more days.

Not enough evidence on effectiveness of drugs or preventive measures on disease caused by Cryptosporidium.

Cryptosporidiosis is a disease that causes diarrhoea, and can be life‐threatening in individuals whose bodies are not able to resist infections. It causes disease in the both the developed and the developing world. This review of trials found insufficient evidence to say whether any drug is able to reduce or cure the symptoms of Cryptosporidium infection or to effectively kill the organism among individuals who cannot resist infections. A limited amount of evidence was found indicating that the drug nitaxozanide can kill the organism in individuals with a normal immunity.

See all (4)

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