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Nizonide 500 Tablet

Nitazoxanide (500mg)

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Nizonide 500 Tablet is an antiparasitic medication, used in the treatment of diarrhea and worm infections. It inhibits the growth of the parasite and thus treats your infection.

Written By Dr. Subita Alagh, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 08 May 2026 | 05:15 PM (IST)

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6 tablets

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Gurgaon

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General Information

Contains

Nitazoxanide (500mg)

Marketer

Lupin Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Nizonide 500 Tablet should be used in the dose and duration as advised by your doctor. It should be taken with food, preferably at a fixed time. Avoid skipping any doses and finish the full course of treatment even if you feel better. Do not take a double dose to make up for a missed dose. Simply take the next dose as planned.

Some people may experience headaches, a change in urine colour, abdominal pain, and nausea as the side effects of this medicine. Please consult your doctor if these do not resolve or persist for a longer duration. You may be monitored with blood tests and liver function tests throughout your treatment.

Before you start Nizonide 500 Tablet, let your doctor know if you have any medical conditions. Inform your doctor about all the medications you are taking, as some medicines may interact with Nizonide 500 Tablet. Pregnant or breastfeeding women should consult their doctor before taking Nizonide 500 Tablet to ensure safety.

Uses of Nizonide Tablet

Diarrhea
Worm infections

Benefits of Nizonide Tablet

Diarrhea
Diarrhea is an increase in the frequency of bowel movements or loose watery bowel movements. It can most commonly occur due to an infection of the digestive tract. Nizonide 500 Tablet helps to treat diarrhea that is caused due to parasitic worm infections. This medicine can relieve frequent loose motions and also help you to stay well by preventing them from coming back. You need to take this medicine regularly to get the most out of it and you should drink plenty of fluids while taking it to make sure you stay hydrated.

Worm infections
Nizonide 500 Tablet is an antibiotic medicine that helps treat many parasitic worm infections. It works by stopping the further growth of parasites causing the infection. This medicine usually makes you feel better quite quickly. However, you should continue taking it as long as it is prescribed even when you feel better, to make sure that all parasites are killed and do not become resistant. This medicine is generally safe to use while pregnant or breastfeeding, but you should ask your doctor.

Side effects of Nizonide Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Nizonide

Nausea
Abdominal pain
Headache
Chromaturia (abnormal coloration of urine)

How to use Nizonide Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Nizonide 500 Tablet should be taken with or after food.

How Nizonide Tablet works

Nitazoxanide is an antiparasitic medication. It inhibits the production of certain chemicals and substances essential for energy metabolism and growth of the parasite.

Quick tips

You have been prescribed Nizonide 500 Tablet to treat a variety of parasitic worm infections.
It should be taken with food.
It can be harmful to an unborn baby. Do not take it during pregnancy. Use birth control measures to prevent pregnancy while taking Nizonide 500 Tablet.
Your doctor may monitor your blood counts and liver function before you start taking this medicine and regularly throughout your treatment.
Avoid being near people who are sick or have infections. Inform your doctor if you develop signs of infection.
Do not skip doses and finish the prescribed course, even if you start to feel better. Stopping it early may increase your risk of further infection.
You have been prescribed Nizonide 500 Tablet to treat a variety of parasitic worm infections.
It should be taken with food.
Do not crush, chew, or break the tablet. Swallow it whole with a full glass of water.
It can be harmful to an unborn baby. Do not take it during pregnancy. Use birth control measures to prevent pregnancy while taking Nizonide 500 Tablet.
Your doctor may monitor your blood counts and liver function before you start taking this medicine and regularly throughout your treatment.
Avoid being near people who are sick or have infections. Inform your doctor if you develop signs of infection.
Do not skip doses and finish the prescribed course, even if you start to feel better. Stopping it early may increase your risk of further infection.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Nizonide 500 Tablet. Please consult your doctor.

Pregnancy

SAFE IF PRESCRIBED

Nizonide 500 Tablet is generally considered safe to use during pregnancy. Animal studies do not indicate harmful effects. However, there are limited human studies.

Breast feeding

CONSULT YOUR DOCTOR

Information regarding the use of Nizonide 500 Tablet during breastfeeding is not available. Please consult your doctor.
If you are taking Nizonide 500 Tablet, monitor the baby for diarrhea.

Driving

UNSAFE

Nizonide 500 Tablet may cause side effects that could affect your ability to drive.

Kidney

CONSULT YOUR DOCTOR

There is limited data available on the use of Nizonide 500 Tablet in patients with kidney disease. Please consult your doctor.

Liver

CONSULT YOUR DOCTOR

There is limited data available on the use of Nizonide 500 Tablet in patients with liver disease.

Frequently asked questions

Is Nizonide 500 Tablet effective?

Nizonide 500 Tablet is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Nizonide 500 Tablet too early, the symptoms may return or worsen.

Can the use of Nizonide 500 Tablet cause dizziness?

Yes, Nizonide 500 Tablet can make you feel dizzy. Avoid driving, operating on machinery, working at heights or participating in potentially dangerous activities, especially during the initial days of your treatment. However, if your condition does not improve, consult your doctor.

Are there any specific contraindications associated with the use of Nizonide 500 Tablet?

The use of Nizonide 500 Tablet is contraindicated in patients with known allergy to any other ingredients of this medicine, and if you are suffering from asthma. Tell your doctor about all of your medical conditions before taking the medicine.

What are the instructions for storage and disposal of Nizonide 500 Tablet?

Keep this medicine in the container or pack it came in, tightly closed. Store it as mentioned on the pack or label. Dispose of the unused medicine. Make sure it is not consumed by pets, children, and other people.

What if I forget to take a dose of Nizonide 500 Tablet?

If you forget a dose of Nizonide 500 Tablet, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next scheduled dose in the prescribed time. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.

Is Nizonide 500 Tablet safe?

Nizonide 500 Tablet is safe if used in the dose and duration advised by your doctor. Take it exactly as directed and do not skip any dose. Follow your doctor's instructions carefully and let your doctor know if any of the side effects bother you.

Fact Box

Chemical Class

Acylsalicylamides

Habit Forming

Therapeutic Class

ANTI INFECTIVES

Action Class

Antiprotozoal Agents

Related lab tests

Stool Examination R/M

References

Phillips MA, Stanley SL Jr. Chemotherapy of Protozoal Infections: Amebiasis, Giardiasis, Trichomoniasis, Trypanosomiasis, Leishmaniasis, and Other Protozoal Infections. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 1432-33.
Rosenthal PJ. Antiprotozoal Drugs. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 918.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. p. 983.
Nitazoxanide. Tampa Florida: ROMARK PHARMACEUTICALS; 2005. [Accessed 31 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 31 Mar. 2019] (online) Available from:
Nitazoxanide. East Brunswick, NJ: Rising Pharma Holdings, Inc.; 2025. [Accessed 07 Jul. 2025] (online) Available from:

User feedback

Patients taking Nizonide 500 Tablet

Twice A Day

100%

What are you using Nizonide Tablet for?

Worm infections

46%

Diarrhea

37%

Others

17%

How much was the improvement?

Average

43%

Excellent

30%

Poor

27%

What were the side-effects while using Nizonide 500 Tablet?

No Side Effect

48%

Headache

10%

Vomiting

Nausea

Fever

How do you take Nizonide Tablet?

With food

88%

With or without food

Empty stomach

Please rate Nizonide 500 Tablet on price

Average

60%

Expensive

37%

Not Expensive

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Lupin Ltd
Address: 3rd floor Kalpataru Inspire, Off. W E Highway, Santacruz (East), Mumbai 400 055. India

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Nizonide 500 Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

Lab tests offered by us

Why we need a prescription?

Nizonide 500 Tablet

Cash on delivery

Free Return

Expiry after

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Nizonide Tablet

Benefits of Nizonide Tablet

Side effects of Nizonide Tablet

How to use Nizonide Tablet

How Nizonide Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

Is Nizonide 500 Tablet effective?

Can the use of Nizonide 500 Tablet cause dizziness?

Are there any specific contraindications associated with the use of Nizonide 500 Tablet?

What are the instructions for storage and disposal of Nizonide 500 Tablet?

What if I forget to take a dose of Nizonide 500 Tablet?

Is Nizonide 500 Tablet safe?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Stool Examination R/M

References

User feedback

Patients taking Nizonide 500 Tablet

What are you using Nizonide Tablet for?

How much was the improvement?

What were the side-effects while using Nizonide 500 Tablet?

How do you take Nizonide Tablet?

Please rate Nizonide 500 Tablet on price

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

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