Fnt 100mg/100mg Tablet

Norfloxacin (100mg)+ Metronidazole (100mg)+ Lactobacillus (60Million spores)

Genuine

Authenticity Assured

Prescription

required

Fnt 100mg/100mg Tablet is a combination medicine that is used to treat diarrhea and dysentery. It prevents the growth of microorganisms to treat bacterial infections.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 29 Dec 2025 | 01:06 PM (IST)

₹149 MRP ₹168.7512% off

Gurgaon

Save more with additional offers

Pay with Amazon Pay Balance and get cashback up to Rs. 75 with minimum cashback of Rs. 15

Earn cashback up to Rs.75 with Amazon Pay Later

Get upto Rs.500 Cashback on minimum transaction of Rs.999/- with Mobikwik Wallet.

Pay with Amazon Pay Balance and get cashback up to Rs. 75 with minimum cashback of Rs. 15

Earn cashback up to Rs.75 with Amazon Pay Later

Get upto Rs.500 Cashback on minimum transaction of Rs.999/- with Mobikwik Wallet.

Get upto Rs.150 Cashback on minimum transaction of Rs.599/- with Mobikwik UPI.

Assured cashback up to ₹300 on minimum payment of ₹300 using Paytm UPI*

General Information

Contains

Norfloxacin (100mg)+ Metronidazole (100mg)+ Lactobacillus (60Million spores)

Marketer

Faith Pharmaceuticals Ltd

The content is shown in English

Product introduction

Fnt 100mg/100mg Tablet is a prescription medicine that is to be taken as per the prescription or as suggested by the doctor. 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.

Fnt 100mg/100mg 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. Maintaining good oral hygiene can prevent or manage the dryness of the mouth. 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 have any problems with your liver or kidneys. Also, tell your doctor if you are on any medication for any health condition. Pregnant or breastfeeding women should also consult with the doctors before taking it. Avoid drinking alcohol as it can cause excessive dizziness 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. If you are a known allergic to the medicine, you must refrain from using this medicine and consult your doctor. It is advised to take proper rest during the course of treatment for the medicine to work effectively.

Uses of Fnt Tablet

Benefits of Fnt Tablet

Treatment of Diarrhea
Diarrhea is a condition in which you frequently pass loose, watery stools. Fnt 100mg/100mg Tablet helps treat diarrhea by killing the bacteria causing infections as well as prevents them from multiplying. Fnt 100mg/100mg Tablet makes the stool less watery as well as reduces the frequency of loose motions. It also restores the level of good bacteria in your stomach and thus prevents stomach upset due to the antibiotics. This helps you to stay well and do your daily activities without any problem. Since diarrhea causes loss of fluid from the body, drink plenty of fluids to make sure you stay hydrated.

Treatment of Dysentery
Dysentery is a bacterial or parasitic infection in which you pass loose and watery stools with blood and mucus. You may have severe stomach cramps, nausea, and vomiting. Fnt 100mg/100mg Tablet works by stopping the growth of bacteria and parasites causing infection. It relieves these symptoms and also helps you to stay well by preventing them from coming back. In order to prevent the spread of infection, it is advisable to always wash your hands after using the toilet.

Side effects of Fnt 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 Fnt

Nausea
Vomiting
Stomach pain
Dizziness
Headache
Dryness in mouth
Metallic taste
Heartburn

How to use Fnt 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. Fnt 100mg/100mg Tablet should be taken with or after food.

How Fnt Tablet works

Fnt 100mg/100mg Tablet is a combination of three medicines: Norfloxacin, Metronidazole, and Lactobacillus.

Quick tips

This combination medicine helps treat diarrhea and dysentery.
Diarrhea can cause dehydration. Drink plenty of fluids to help rehydrate you. Consult your doctor if your diarrhea lasts for more than 48 hours.
Do not use Fnt 100mg/100mg Tablet if you have blood in your stool or if you are severely constipated.
It may cause dizziness and sleepiness. Do not drive or do anything that requires mental focus until you know how it affects you.
Avoid consuming alcohol when taking this medicine as it may irritate your stomach and also cause excessive drowsiness.
Notify your doctor if you feel pain in your tendons, numbness or tingling sensations.
Inform your doctor if you are pregnant, planning to conceive or breastfeeding.

Safety advice

Alcohol

UNSAFE

Consumption of alcohol with Fnt 100mg/100mg Tablet may cause a disulfiram-like reaction, leading to symptoms such as flushing, increased heart rate, low blood pressure, nausea, lightheadedness, and severe headache.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Fnt 100mg/100mg 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

CONSULT YOUR DOCTOR

Fnt 100mg/100mg Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.

Driving

UNSAFE

Fnt 100mg/100mg Tablet may cause side effects that could affect your ability to drive.
Fnt 100mg/100mg 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

CAUTION

Fnt 100mg/100mg Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Use of Fnt 100mg/100mg Tablet is not advised in patients with severe kidney disease.

Liver

CAUTION

Fnt 100mg/100mg Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

Frequently asked questions

What if I don't get better after using Fnt 100mg/100mg Tablet?

Inform your doctor if you don't feel better after finishing the full course of treatment. Also, inform him if your symptoms are getting worse while using this medicine.

Can I stop taking Fnt 100mg/100mg Tablet when I feel better?

No, do not stop taking Fnt 100mg/100mg Tablet and complete the full course of treatment even if you feel better. Your symptoms may improve before the infection is completely cured.

What if I miss my dose?

Take Fnt 100mg/100mg 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.

Fact Box

Habit Forming

Therapeutic Class

GASTRO INTESTINAL

Related lab tests

Stool Examination R/M

References

Dupont HL, Corrado ML, Sabbaj J. Use of norfloxacin in the treatment of acute diarrheal disease. Am J Med. 1987 Jun 26;82(6B):79-83. [Accessed 29 Dec. 2025]. Available from:

Want to know more

We provide you with authentic, trustworthy and relevant information

Have issue with the content

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: Faith Pharmaceuticals Ltd
Address: Faith Pharmaceuticals Limited, No. 345 / 1 , 2nd Floor, Shivaji Market, Pitampura, New Delhi-110088, Delhi, India

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?