Zonaxid 100mg/5ml Suspension

by Macleods Pharmaceuticals Pvt Ltd · Suspension Rx
Generic Name Nitazoxanide
Drug Class Antiprotozoal and Antiviral
Route Oral
Habit Forming No
Prescription Required (Rx)
Strengths 100mg/5ml
MRP
₹212.42
bottle of 30 ml Suspension

About Zonaxid 100mg/5ml Suspension

Zonaxid 100mg/5ml Suspension contains the active ingredient Nitazoxanide, which is used to treat infections caused by certain parasites and viruses. It is effective against conditions like diarrhea caused by Giardia lamblia and Cryptosporidium parvum. This medicine is suitable for adults and children who have been diagnosed with these infections. Always consult your doctor before starting treatment to ensure it is appropriate for your condition.

Clinical Uses

  • Giardiasis — An infection caused by the Giardia parasite leading to diarrhea.
  • Cryptosporidiosis — An infection caused by the Cryptosporidium parasite, also resulting in diarrhea.

Uses & Indications

Primary Uses

  • Giardiasis — Treats diarrhea caused by Giardia lamblia.
  • Cryptosporidiosis — Treats diarrhea caused by Cryptosporidium parvum.

Secondary Uses

  • Other Parasitic Infections — May be used for other infections as determined by a healthcare provider.

How It Works (Mechanism of Action)

Nitazoxanide works by interfering with the energy metabolism of the parasites, effectively stopping their growth and reproduction. It inhibits the enzyme pyruvate ferredoxin oxidoreductase, which is essential for anaerobic energy metabolism in these organisms.

This action leads to the death of the parasites, helping to clear the infection and alleviate symptoms such as diarrhea.

Key Benefits

  • Effective Against Parasites — Targets and eliminates specific parasites causing infections.
  • Reduces Diarrhea — Helps in reducing the symptoms of diarrhea associated with infections.
  • Well-Tolerated — Generally well-tolerated with a manageable side effect profile.

How Long Does It Take to Work?

You may start to feel better within a few days of starting treatment, but it is important to complete the full course as prescribed by your doctor. The typical duration of treatment is usually 3 days, but follow your doctor's instructions. If you do not see improvement after this period, contact your healthcare provider.

How to Use

Shake the bottle well before use.

Measure the prescribed dose using the provided measuring device.

Take the medicine by mouth, with or without food.

Follow your doctor's instructions regarding the frequency and duration of use.

Dosage Guidelines

Adult Dose

The usual dose is 1000 mg (20 ml of suspension) taken twice daily for 3 days.

Pediatric Dose

For children

  • , the dose is based on weight and should be determined by a healthcare provider.

Elderly

No specific dosage adjustments are usually needed for elderly patients, but consult your doctor.

Administration Instructions

Take the medicine as directed by your healthcare provider.

Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take two doses at once.

Overdose Warning

In case of overdose, symptoms may include nausea, vomiting, and abdominal pain. If you suspect an overdose, seek immediate medical attention by calling emergency services or poison control.

Side Effects

Common Side Effects

Nausea

Vomiting

Abdominal pain

Less Common Side Effects

Headache

Dizziness

Serious Side Effects

Severe allergic reactions

Severe abdominal pain

When to Seek Immediate Medical Attention

If you experience severe side effects or signs of an allergic reaction, such as rash, itching, or difficulty breathing, seek medical help right away.

Contraindications — Who Should Not Use This Medicine

  • Allergy to Nitazoxanide — Do not use if you have a known allergy to this medication.
  • Severe Liver Disease — Use is not recommended in patients with severe liver impairment.

Warnings & Precautions

🤰 Pregnancy
Nitazoxanide is categorized as a pregnancy category B drug, which means it is generally considered safe during pregnancy. However, always consult your doctor before using any medication while pregnant.
🤱 Breastfeeding
It is not known if Nitazoxanide passes into breast milk. Consult your doctor before using this medicine while breastfeeding to ensure safety for your infant.
👶 Children
Nitazoxanide can be used in children, but the dosage must be determined by a healthcare provider based on the child's weight and condition.
🧓 Elderly
Elderly patients can generally use Nitazoxanide without special adjustments, but they should consult their doctor for personalized advice.
🫘 Kidney Disease
There are no specific dosage adjustments required for patients with renal impairment, but consult your doctor if you have kidney issues.
🫁 Liver Disease
Use in patients with liver impairment should be approached with caution. Consult your healthcare provider for advice on dosage adjustments if you have liver problems.
🍷 Alcohol
Avoid alcohol while taking Nitazoxanide, as it may increase the risk of side effects such as nausea and dizziness.
🚗 Driving
Nitazoxanide does not typically affect your ability to drive or operate machinery.

Drug Interactions

Drug-Drug Interactions

Avoid taking with alcohol.

Consult your doctor if you are taking other medications to avoid potential interactions.

Food Interactions

There are no specific food interactions, but taking it with food may help reduce stomach upset.

Alcohol Interactions

Alcohol may increase the risk of side effects.

Disease Interactions

Consult your doctor if you have liver or kidney disease.

Storage Instructions

Store at room temperature (20-25°C).

Keep away from moisture.

Protect from light.

Keep out of reach of children.

Check the expiry date before use.

Expert Advice

Clinical Tips

Complete the full course of treatment as prescribed.

Shake the bottle well before each use.

Measure the dose accurately using the provided measuring device.

Take the medicine at the same time each day for best results.

Stay hydrated, especially if experiencing diarrhea.

Do not share this medication with others.

Consult your doctor if symptoms do not improve.

Substitute Medicines

Same composition, different brands. Always consult your doctor before switching.

Sources

Last Updated23 Jun 2026
Content Generated23 Jun 2026
⚕️ Medical Disclaimer This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist before starting, stopping, or changing any medication. Prices shown are indicative MRP and may vary.
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