Overview
Uses and benefits
Side effects
How to use
How drug works
Safety advice
Missed dose
All substitutes
Quick tips
Fact box
Patient concerns
FAQs

Author Details

Written By

Dr. Syeda Aafia

MBA, BDS

Reviewed By

Dr. Lalit Kanodia

MBA, MD Pharmacology

Last updated

26 Nov 2025 | 12:53 AM (IST)

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Aller-Free-FX Tablet

Prescription Required

Marketer

Lorioxindia Pharmaceuticals Private Limited

SALT COMPOSITION

Montelukast (10mg) + Fexofenadine (120mg)

Storage

Store below 25°C

View available alternative with same salt composition

Click here to view all substitutes

Product introduction

Aller-Free-FX Tablet is a combination medicine used in the treatment of allergy symptoms such as runny nose, stuffy nose, sneezing, watery eyes, and congestion or stuffiness.

Aller-Free-FX Tablet is taken with or without food in a dose and duration as advised by the doctor. The dose you are given will depend on your condition and how you respond to the medicine. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your healthcare team know about all other medications you are taking as some may affect, or be affected by this medicine.

The most common side effects include nausea, diarrhea, vomiting, skin rash, flu-like symptoms, and headache. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. This medicine may cause dizziness and sleepiness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Avoid drinking alcohol while taking this medicine as it can worsen your sleepiness.

Never support self-medication or recommend your medicine to another person. It is beneficial to have plenty of fluids while taking this medication. Before you start taking this medicine it is important to inform your doctor if you are suffering from liver or kidney disease. You should also tell your doctor if you are pregnant, planning pregnancy or breastfeeding.

Uses of Aller-Free-FX Tablet

Treatment of Sneezing and runny nose due to allergies

Benefits of Aller-Free-FX Tablet

In Treatment of Sneezing and runny nose due to allergies

Aller-Free-FX Tablet is a combination medicine that provides relief from symptoms such as blocked or runny nose, sneezing and itchy or watery eyes. This will make it easier for you to go about your daily activities. It rarely has any serious side effects and you may only need to take it on days you have symptoms. If you are taking it to prevent getting symptoms you should use it regularly to get the most benefit.

Side effects of Aller-Free-FX 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 Aller-Free-FX

Nausea
Diarrhea
Vomiting
Flu-like symptoms
Headache
Drowsiness
Dizziness
Upper respiratory tract infection
Increased transaminase level in blood
Fever
Skin rash

How to use Aller-Free-FX 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. Aller-Free-FX Tablet may be taken with or without food.

How Aller-Free-FX Tablet works

Montelukast is a leukotriene antagonist. It works by blocking the action of a chemical messenger called leukotriene. This reduces inflammation (swelling) in the airways and nose and improves symptoms. Fexofenadine is an antiallergic which blocks the action of another chemical messenger (histamine) responsible for runny nose, watery eyes and sneezing.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Aller-Free-FX Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Aller-Free-FX 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

Aller-Free-FX 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

Aller-Free-FX 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 Aller-Free-FX Tablet in patients with kidney disease. Please consult your doctor.

Liver

SAFE IF PRESCRIBED

Aller-Free-FX Tablet is safe to use in patients with liver disease. No dose adjustment is recommended.

What if you forget to take Aller-Free-FX Tablet?

If you miss a dose of Aller-Free-FX Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.

Aller-Free-FX Tablet

₹12.5/Tablet

Minolast FX 10mg/120mg Tablet

Leeford Healthcare Ltd

₹9.19/tablet

26% cheaper

Montecip FX 10mg/120mg Tablet

Cipla Ltd

₹12.9/tablet

3% costlier

Montas-FX Tablet

Intas Pharmaceuticals Ltd

₹15.7/tablet

26% costlier

Allegra-M Tablet

Sanofi India Ltd

₹24.7/tablet

98% costlier

Montemac-FX Tablet

Macleods Pharmaceuticals Pvt Ltd

₹19.8/tablet

58% costlier

View all substitutes

Quick tips

You have been prescribed Aller-Free-FX Tablet to help relieve symptoms of allergy such as runny nose, sneezing, watery eyes, and cough.
Be cautious while driving or doing anything that requires concentration as Aller-Free-FX Tablet can cause dizziness and sleepiness.
Do not drink alcohol while taking Aller-Free-FX Tablet as it may cause increased sleepiness.
Stop taking Aller-Free-FX Tablet at least three days before taking an allergy test as it can affect the test results.

Fact Box

Habit Forming

Therapeutic Class

RESPIRATORY

Patient concerns

I am allergic to polan. Frequently sneezing . Sneezing starts after Dust, any smell,chilled drinks,cant keep naked led on floor .

Dr. Puneet Singh Perhar

Pulmonology

Avoid all these take tablet montair fx daily and duonase nasal spray

DAILY INFECTION IN THROAT AND NOSE , FREQUENT SNEEZING Currently using EMLUKAST FX

Dr. Vijay Verma

ENT

It is allergic in reason visit ent specialist near you

What is Aller-Free-FX Tablet ?

Aller-Free-FX Tablet is a combination of two medicines: Montelukast and Fexofenadine. This medicine is used to treat allergy symptoms like runny nose, sneeze and cough. It works by lowering the chemicals in the body that cause allergy symptoms.

Can Aller-Free-FX Tablet be stopped when allergy symptoms are relieved?

No, Aller-Free-FX Tablet should be continued as advised by the doctor. If any problems are experienced due to Aller-Free-FX Tablet, consult the doctor for re-evaluation.

Can the use of Aller-Free-FX Tablet cause dizziness?

Yes, the use of Aller-Free-FX Tablet can cause dizziness (feeling faint, weak, unsteady or lightheaded) in some patients. If you feel dizzy or lightheaded, it is better to rest for some time and resume once you feel better. Do not drive or use any machines.

What should be avoided in food while taking Aller-Free-FX Tablet?

Do not take it with any fruit juices (such as apple, orange, or grapefruit) as they might make the drug less effective. Avoid drinking alcohol while taking Aller-Free-FX Tablet as it might increase the severity of drowsiness or sleepiness caused by Aller-Free-FX Tablet.

Will Aller-Free-FX Tablet be more effective if taken in higher doses?

No, taking more of this medicine will not make it more effective, rather it can lead to increased side effects. If the symptoms are getting severe, please consult the doctor for re-evaluation.

What is the recommended storage condition for Aller-Free-FX Tablet?

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

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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.

References

Montelukast sodium. South Ruislip, Middlesex: Aurobindo Pharma - Milpharm Ltd.; 2012 [revised 04 Jan. 2018]. [Accessed 19 Apr. 2019] (online) Available from:
Montelukast sodium. Whitehouse Station, New Jersey: Merck & Co., Inc.; 1998 [revised Nov. 2014]. [Accessed 19 Apr. 2019] (online) Available from:
Fexofenadine hydrochloride. Beverley: Dr. Reddy's Laboratories (UK) Ltd.; 2008 [revised 13 Sep. 2018]. [Accessed 19 Apr. 2019] (online) Available from: