What Is Alinia?
Alinia (nitazoxanide) is an antiprotozoal agent used to treat diarrhea in adults and children caused by the protozoa Giardia lamblia, or the protozoa Cryptosporidium parvum.
These protozoa are sometimes the cause of travelers’ diarrhea. Alinia is generally well tolerated when taken as directed.
What Are Side Effects of Alinia?
Side effects of Alinia are uncommon and may include:
- abdominal pain,
- nausea,
- diarrhea,
- vomiting, or
- headache.
Serious allergic reactions to Alinia are unlikely, but seek immediate medical attention if you have rash, itching, swelling (especially of the face/tongue/throat), severe dizziness, or trouble breathing.
Dosage for Alinia
Doses of Alinia vary according to age. Alinia is taken every 12 hours with food for 3 days. For patients age 1-3 years, 5 mL of Alinia for Oral Suspension (100 mg); patients age 4-11 years, 10 mL of Alinia for Oral Suspension (200 mg); adults and children over 12 years, 1 Alinia Tablet (500 mg) or 25 mL of Alinia for Oral Suspension (500 mg).
What Drugs, Substances, or Supplements Interact with Alinia?
Many drugs may affect the way that Alinia is metabolized in the body, leading to higher or lower than expected levels of the medication in the blood. Talk to your doctor before taking other prescription or over-the-counter medications including vitamins, minerals, and herbal products during treatment with Alinia.
Alinia During Pregnancy and Breastfeeding
Tell your doctor if you are pregnant before using Alinia. It is not known whether this medication passes into breast milk. Consult your doctor before breastfeeding.
Additional Information
Our Alinia (nitazoxanide) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Common side effects may include:
- nausea, stomach pain;
- headache; or
- discolored urine.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is nitazoxanide (Alinia)?
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.
What are the possible side effects of nitazoxanide (Alinia)?
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Common side effects may include:
- nausea, stomach pain;
- headache; or
- discolored urine.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about nitazoxanide (Alinia)?
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
What should I discuss with my healthcare provider before taking nitazoxanide (Alinia)?
You should not use nitazoxanide if you are allergic to it.
To make sure nitazoxanide is safe for you, tell your doctor if you have:
- liver or kidney disease;
- HIV or AIDS; or
- a weak immune system.
The tablet form of this medicine should not be given to a child younger than 12 years old. Children ages 1 to 11 years should use only the oral suspension (liquid) form of nitazoxanide.
Nitazoxanide is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant.
It is not known whether nitazoxanide passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
How should I take nitazoxanide (Alinia)?
Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Take nitazoxanide with food.
Nitazoxanide is usually taken once every 12 hours for 3 days. Follow your doctor’s dosing instructions very carefully.
Shake the oral suspension (liquid) well just before you measure a dose. Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.
Store at room temperature away from moisture and heat. Keep the bottle tightly closed when not in use. Throw away any unused liquid after 7 days.
What happens if I miss a dose (Alinia)?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Alinia)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking nitazoxanide (Alinia)?
Follow your doctor’s instructions about any restrictions on food, beverages, or activity.
What other drugs will affect nitazoxanide (Alinia)?
Other drugs may interact with nitazoxanide, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.
Where can I get more information (Alinia)?
Your pharmacist can provide more information about nitazoxanide.