Nitazoxanide
Nitazoxanide is an antiprotozoal medication used to treat infections caused by certain parasites, primarily Cryptosporidium and Giardia. It works by interfering with the energy metabolism of these parasites, helping the body eliminate the infection. It is available as an oral suspension and tablets for both adults and children.
Nitazoxanide is an antiparasitic medication used to treat cryptosporidiosis and giardiasis.
Key facts at a glance
- ATC
- P01AX11
- RxNorm
- 31819
- Generic
- Nitazoxanide
- Class
- atc-p01
- Brands
- Alinia
- Availability
- rx
- Lactation
- unknown
- Routes
- oral
- Forms
- solution, suspension, tablet
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treats cryptosporidiosis (caused by Cryptosporidium) and giardiasis (caused by Giardia lamblia) in adults and children.
As an antiprotozoal agent, nitazoxanide interferes with the energy metabolism pathways in susceptible parasites, disrupting their ability to survive and multiply.
Available as oral suspension (for children) and tablets. May cause gastrointestinal side effects. Safety in pregnancy not fully established. Effectiveness may be reduced in immunocompromised patients with cryptosporidiosis.
Official drug label
WellAlly may earn a referral fee from linked resources at no extra cost to you. Editorial content is never influenced by commercial relationships.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy