Product Description

Nitazoxanide 500 mg is an oral medication used to treat diarrhea caused by certain parasitic infections such as Giardia lamblia and Cryptosporidium parvum. It also shows antiviral properties against respiratory viruses and is studied for use in viral gastroenteritis and influenza-like illnesses.

It works by inhibiting enzymes essential to the energy metabolism of parasites and some viruses, effectively stopping their growth and replication.

Key Benefits

• Effective against protozoal diarrhea (Giardiasis, Cryptosporidiosis)
• Well-tolerated with minimal side effects
• Broad-spectrum antimicrobial and antiviral action
• Can be used in both adults and children (age-appropriate dosing)

Product Details

• Generic Name: Nitazoxanide
• Strength: 500 mg
• Form: Oral tablet
• Packaging: Strip of 6 or 10 tablets
• Storage: Store below 30°C in a dry place, away from direct sunlight

Indications

• Diarrhea caused by Giardia lamblia or Cryptosporidium parvum
• Protozoal or helminthic intestinal infections
• Off-label uses in viral gastroenteritis, influenza, and COVID-19 (investigational)

Dosage & Administration

• Adults: 500 mg orally every 12 hours for 3 days
• Take with food for better absorption
• Children: Dose adjusted by body weight (consult pediatrician)
• Do not crush or chew tablets unless directed by a doctor

Precautions & Warnings

• Use with caution in patients with liver or kidney disorders
• Not recommended during the first trimester of pregnancy unless necessary
• Inform your doctor of any allergies or medications you are taking
• May cause harmless yellow-green discoloration of urine or eyes

Possible Side Effects

• Nausea or stomach upset
• Headache
• Discoloration of urine
• Fatigue or dizziness (rare)

FAQs

1. What is Nitazoxanide 500 mg used for?

It is primarily used to treat parasitic diarrhea caused by Giardia and Cryptosporidium, as well as certain viral infections.

2. Is it safe for children?

Yes, Nitazoxanide is available in pediatric formulations. Dosage should be adjusted by weight and age under medical supervision.

3. How fast does it work?

Most users report symptom relief within 1–2 days of starting treatment, though a full 3-day course is recommended.

4. Can it be used for COVID-19?

While under investigation, it is not an approved treatment for COVID-19. Always follow your doctor’s advice.

5. Can I take it without food?

It is best taken with food to enhance absorption and reduce stomach discomfort.