Niclosig 500mg Tablet

Niclosamide (500mg)

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Niclosig 500mg Tablet is an anti-helminitic medication. It is used in the treatment of worm infections. It works by killing tapeworms that cause infection. The killed worms are then passed in the stool.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 27 Jul 2026 | 01:06 AM (IST)

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General Information

Contains

Niclosamide (500mg)

Marketer

HAB Pharma

Storage

Store below 30°C

The content is shown in English

Product introduction

Niclosig 500mg 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 nausea, stomach-upset and vomiting as the side effects of this medicine. Please consult your doctor if these side effects persist for a longer duration. You may be monitored with blood tests and liver function tests throughout your treatment.

Uses of Niclosig Tablet

Worm infections

Benefits of Niclosig Tablet

Worm infections
Niclosig 500mg Tablet is an antibiotic medicine which helps treat parasitic worm infections. It works by killing the worms and stopping the further growth of parasites causing the infection. These killed worms are then passed out along with stools. 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 Niclosig 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 Niclosig

Vomiting
Nausea
Upset stomach

How to use Niclosig 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. Niclosig 500mg Tablet is to be taken on an empty stomach.

How Niclosig Tablet works

Niclosig 500mg Tablet is an antihelminitic medication. It works by killing tapeworms that cause infection. The killed worms are then passed in the stool.

Quick tips

You have been prescribed Niclosig 500mg 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 Niclosig 500mg 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

UNSAFE

It is unsafe to consume alcohol with Niclosig 500mg Tablet

Pregnancy

CONSULT YOUR DOCTOR

The safety of Niclosig 500mg Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

SAFE IF PRESCRIBED

Available human data suggest that the drug does not pass into breast milk in clinically significant amounts and is unlikely to harm the infant.

Driving

CONSULT YOUR DOCTOR

It is not known whether Niclosig 500mg Tablet alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.

Kidney

CONSULT YOUR DOCTOR

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

Liver

SAFE IF PRESCRIBED

Niclosig 500mg Tablet is probably safe to use in patients with liver disease. Limited data suggest dose adjustment may not be needed.

Frequently asked questions

Is Niclosig 500mg Tablet effective?

Niclosig 500mg 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 Niclosig 500mg Tablet too early, the symptoms may return or worsen.

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

The use of Niclosig 500mg 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 Niclosig 500mg 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 Niclosig 500mg Tablet?

If you forget a dose of Niclosig 500mg 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 Niclosig 500mg Tablet safe?

Niclosig 500mg 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

Benzamide derivative

Habit Forming

Therapeutic Class

ANTI INFECTIVES

Action Class

Antiprotozoal Agents

References

McCarthy J, Loukas A, Hotez PJ. Chemotherapy of Helminth 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. p. 1458.
Rosenthal PJ. Clinical Pharmacology of the Antihelmenthic 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. pp. 928-29.
ScienceDirect. Niclosamide. [Accessed 31 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 31 Mar. 2019] (online) Available from:

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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: HAB Pharma
Address: 308, T.V. Industrial Estate, S.K. Ahire Marg, Behind Glaxo Lab, Worli, Mumbai 400 030

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Home

Anti Infectives

Anthelmintics Excluding Schistosomicides

Niclosig 500mg Tablet

Niclosig 500mg Tablet

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Niclosig Tablet

Benefits of Niclosig Tablet

Side effects of Niclosig Tablet

How to use Niclosig Tablet

How Niclosig Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

Is Niclosig 500mg Tablet effective?

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

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

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

Is Niclosig 500mg Tablet safe?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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