A Nil Tablet
Written By Dr. Saleh Rifai, BCMAS, Pharm.D
Reviewed By Dr. Varun Gupta, MD Pharmacology, MBBS
Last updated on 12 Nov 2024 | 01:05 AM (IST)
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.
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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.
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.
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.
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.
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.
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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.
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
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.
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
No
Therapeutic Class
ANTI INFECTIVES
Related lab tests
References
- Qureshi H, Ali A, Baqai R, et al. Efficacy of a Combined Diloxanide Furoate—Metronidazole Preparation in the Treatment of Amoebiasis and Giardiasis. J Int Med Res. 1997;25(3):167-70. [Accessed 08 Apr. 2019] (online) Available from:
- Metronidazole. New York, New York: Pfizer; 2013. [Accessed 08 Apr. 2019] (online) Available from:
- Drugs.com. Diloxanide. [ Accessed 31 Mar. 2019] (online) Available from:
- Mayo Clinic. Metronidazole. [Accessed 08 Apr. 2019] (online) Available from:
- ScienceDirect. Diloxanide. [Accessed 08 Apr. 2019] (online) Available from:

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Patient concerns
Diarrhea and dysentery last 15 days I had taken levofoxcin+ornidazol bd for 5 days along refaximin 400 tab bd for 5 day but it is start again
Dr. Sfurti Mann
Diabetology
Get a colonoscopy done for chronic Diarrhea
For diarrhea which antibiotic is good for kids and for dysentery which antibiotic is good for kids?
Dr. Gopal Samdani
Paediatrics
There are many underlying causes of Patient?s symptoms. Different cause needs different treatment. Specific treatment cannot be given unless we establish exact underlying cause. Final and perfect diagnosis cannot be done without doing clinical examination of patient. Please consult me or any other Paediatrician. will take detail history and will examine patient in detail. All information will be used to determine exact underlying cause of problem. Depending upon cause will give opinion and prescribe you treatment. At time may ask you relevant investigations if necessary. Patient may need antibiotics and/or other prescription drugs. It is mandatory for the customer to have a prescription for the prescription medicines he/she is procuring. Valid prescription cannot be given without diagnosis and clinical examination. Advice given without doing clinical examination can be imperfect or some time harmful to patient.
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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
Address: c-181, midc waluj aurangabad mh 431136 in
Vendor Details
Country of origin: India
A licensed vendor partner from your nearest location will deliver A Nil 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.
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India
A licensed vendor partner from your nearest location will deliver A Nil 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
- CBC (Complete Blood Count)
- FBS (Fasting Blood Sugar)
- Thyroid Profile Total (T3, T4 & TSH)
- HbA1c (Glycosylated Hemoglobin)
- Glucose - Postprandial
- Lipid Profile
- Vitamin D (25-Hydroxy)
- Urine R/M (Urine Routine & Microscopy)
- Coronavirus Covid-19 Test (RT-PCR technique)
- LFT (Liver Function Test)
- Kidney Function Test
- TSH (Thyroid Stimulating Hormone) Ultrasensitive
- ESR (Erythrocyte Sedimentation Rate)
- Uric Acid
- Vitamin B12
- C- Reactive Protein Quantitative
- Urine Culture and Sensitivity
- Serum Electrolyte
- Serum Calcium
- Creatinine
- Diabetes Screening
- KFT with Electrolytes (Kidney Function Test with Electrolytes)
- Cholesterol - Total
- Hemoglobin
- Complete Haemogram
Why we need a prescription?
Provide right medicines
Prescriptions are complex documents. We proof read and recheck at various steps to provide you the right medication in the correct form and dose
In accordance with the law
Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945















