A Nil Tablet

Metronidazole (200mg)+ Diloxanide (250mg)

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A Nil Tablet is a combination of two antibiotics which is used to treat diarrhea and dysentery. It prevents the growth of the infection-causing microorganisms.

Written By Dr. Anuj Saini, MMST, MBBS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 21 Sep 2025 | 05:41 PM (IST)

₹5.7 MRP ₹6.310% off

Gurgaon

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General Information

Contains

Metronidazole (200mg)+ Diloxanide (250mg)

Marketer

Pan Pharmaceuticals Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

A Nil Tablet is a prescription medicine. It is advised to take it as the prescription. It should be taken with food, but it must be taken at a fixed time to ensure better efficacy. Do not consume more than the recommended dose, as this may have harmful effects on your body. If you miss a dose, take it as soon as you remember. The treatment must be completed even if you feel better.

A Nil Tablet may lead to some side effects such as nausea, headaches, dryness of mouth, etc. To overcome any such side effects, it is advised to eat a healthy balanced diet and drink plenty of fluid. If any of the side effects get aggravated, contact your doctor immediately. If you experience any allergic reaction (rashes, itching, swelling, shortness of breath, etc.), you must consult your doctor immediately.

Before taking this medicine, you should tell your doctor if you are taking any medicines for any health condition. Pregnant or breastfeeding women should also consult with their doctor before taking it. Avoid drinking alcohol as it can cause excessive drowsiness with this medicine. It usually does not impair your ability to drive, but you should not drive if it makes you feel sleepy or dizzy.

Uses of A Nil Tablet

Benefits of A Nil 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. A Nil Tablet helps to treat diarrhea that is caused due to bacteria or 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.

Dysentery
Dysentery or amoebic dysentery is a parasitic infection of the intestines that occurs mostly due to intake of contaminated food or water. The symptoms include loose stools (diarrhea), stomach cramps and stomach pain. A Nil Tablet helps to treat this infection by killing the infection causing parasites. It relieves these symptoms and also helps 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.

Side effects of A Nil 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 A Nil

Nausea
Headache
Dryness in mouth
Metallic taste
Flatulence

How to use A Nil 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. A Nil Tablet is to be taken with food.

How A Nil Tablet works

A Nil Tablet is a combination of two medicines: Metronidazole and Diloxanide. Metronidazole is an antibiotic. It kills the bacteria and other microorganisms that cause infections by damaging the DNA. Diloxanide is an amoebicide. It works inside the large intestine to kill the infection causing amoeba (parasites). Together, they treat your infection effectively.

Quick tips

A Nil Tablet should be taken with food but at the same time every day.
Do not skip any doses and finish the full course of treatment even if you feel better.
It may cause dizziness. Don't drive or do anything that requires mental focus until you know how medicine affects you.
It is advisable to stay hydrated and drink plenty of water to overcome medicine side effects.
Discontinue A Nil Tablet and inform your doctor immediately if you get a rash, itchy skin, swelling of face and mouth, or have difficulty in breathing.

Safety advice

Alcohol

UNSAFE

Consuming alcohol while taking A Nil Tablet may cause symptoms such as flushing, increased heart beat, nausea, thirst, chest pain and low blood pressure (Disulfiram reaction).

Pregnancy

CONSULT YOUR DOCTOR

A Nil Tablet may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.

Breast feeding

CONSULT YOUR DOCTOR

Information regarding the use of A Nil Tablet during breastfeeding is not available. Please consult your doctor.

Driving

UNSAFE

A Nil Tablet may cause side effects which could affect your ability to drive.
A Nil Tablet may make you feel sleepy, dizzy, confused. You may have hallucinations, fits (convulsions) or temporary eyesight problems (such as blurred or double vision) affecting your ability to drive.

Kidney

CONSULT YOUR DOCTOR

There is limited information available on the use of A Nil Tablet in patients with kidney disease. Please consult your doctor.

Liver

CAUTION

A Nil Tablet should be used with caution in patients with liver disease. Dose adjustment of A Nil Tablet may be needed. Please consult your doctor.

Frequently asked questions

What if I miss my dose?

Take A Nil Tablet as soon as you remember it. However, do not take it if it's almost time for your next dose. Also, do not take an extra dose to make up for your missed dose.

Can I stop taking A Nil Tablet when I feel better?

No, do not stop taking A Nil Tablet and complete the full course of treatment even if you feel better. Your symptoms may improve before the infection is completely cured.

Fact Box

Habit Forming

Therapeutic Class

ANTI INFECTIVES

Related lab tests

Stool Examination R/M

References

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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: Pan Pharmaceuticals Ltd
Address: c-181, midc waluj aurangabad mh 431136 in

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

A Nil Tablet

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of A Nil Tablet

Benefits of A Nil Tablet

Side effects of A Nil Tablet

How to use A Nil Tablet

How A Nil Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What if I miss my dose?

Can I stop taking A Nil Tablet when I feel better?

Fact Box

Habit Forming

Therapeutic Class

Related lab tests

Stool Examination R/M

References

User feedback

What are you using A Nil Tablet for?

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests