Montex 10 Tablet

Reviewed By Dr. Mekhala Chandra, MD, MBBS

Last updated on 20 Jan 2026 | 12:11 AM (IST)

Montex 10 Tablet is a prescription medicine used for asthma prevention and for the treatment of allergy symptoms such as sneezing and a runny nose. It reduces inflammation in the airways and makes breathing easier.

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Montex 10 Tablet

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Montelukast (10mg)

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General Information

Contains

Montelukast (10mg)

Marketer

Zee Laboratories

Storage

Store below 30°C

The content is shown in English

Product introduction

Montex 10 Tablet can be taken with or without food. Take it at the same time to get the most benefit. It is advised to have it 2 hours before exercise if you have exercise-induced asthma. It should be taken with your doctor's advice. The dose and how often you take it depend on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. You should take this medicine for as long as it is prescribed for you. It does not cure sudden breathing problems, so always carry a medicated inhaler with you.

Common side effects of Montex 10 Tablet include nausea, vomiting, headache, abdominal pain, and diarrhea. If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. Generally, you should avoid alcohol while taking this medicine.

Before taking this medicine, you should tell your doctor if you have ever had severe liver problems. Your doctor should also know about all other medicines you are taking, as many of these may make this medicine less effective or change the way it works. You must inform your doctor about pregnancy or breastfeeding.

Uses of Montex Tablet

Prevention of Asthma
Treatment of Nasal allergy symptoms

Benefits of Montex Tablet

Prevention of Asthma
Montex 10 Tablet works by reducing and preventing swelling and inflammation in your lungs. It is known as a “preventer” and is used to prevent the symptoms of asthma, such as tightness in your chest, wheezing, breathlessness, and coughing. This means you can carry out your daily activities more easily and more confidently. It may take a few weeks for this medicine to show its full effects. This medicine will not stop an asthma attack that has already started.

Treatment of Nasal allergy symptoms
Montex 10 Tablet helps relieve nasal allergy symptoms by reducing inflammation in the airways caused by allergic reactions. It helps ease symptoms such as sneezing, runny or blocked nose, and nasal itching, making breathing more comfortable. Regular use can improve day-to-day control of allergic rhinitis, especially in people who continue to have symptoms despite avoiding allergens or using other allergy medicines.

Side effects of Montex 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 Montex

Sore throat
Runny nose
Sinus inflammation
Ear inflammation
Cough
Headache
Diarrhea
Abdominal pain
Fever
Upper respiratory tract infection

How to use Montex 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. Montex 10 Tablet may be taken with or without food.

How Montex Tablet works

Montex 10 Tablet works by blocking the action of leukotriene, a chemical messenger. This reduces inflammation in the airways to prevent asthma and relieve symptoms of allergies.

All substitutes for Montex 10 Tablet

For information purposes only. Consult a doctor before taking any medicine.

Quick tips

You have been prescribed Montex 10 Tablet for asthma prevention and for the treatment of allergy symptoms such as sneezing and a runny nose.
It is a relatively safe medicine with very few side effects.
Take Montex 10 Tablet 2 hours before exercising if you have exercise-induced asthma.
It does not work right away and should not be used to relieve sudden breathing problems. Use your rescue inhaler to control sudden difficulty in breathing.
Do not discontinue use without consulting your doctor, even if you feel better.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Montex 10 Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Montex 10 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

Montex 10 Tablet may be safe to use during breastfeeding. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.

Driving

SAFE

Montex 10 Tablet does not usually affect your ability to drive.
However, some may experience drowsiness or dizziness. Do not drive if these symptoms occur.

Kidney

SAFE IF PRESCRIBED

Montex 10 Tablet is probably safe to use in patients with kidney disease. Limited data suggest dose adjustment may not be needed.

Liver

SAFE IF PRESCRIBED

Montex 10 Tablet is safe to use in patients with liver disease. No dose adjustment is recommended.

Interaction with drugs

Taking Montex with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Moderate

Mifepristone (Oral Route)

Watch out for symptoms of Montelukast side effects such as headache, diarrhea, abdominal pain or fever and consult your doctor if you experience them. Mifepristone may raise blood levels of Montelukast.

Moderate

Leflunomide (Oral Route)

Watch out for symptoms of Montelukast side effects such as headache, diarrhea, abdominal pain or fever and consult your doctor if you experience them. Leflunomide may raise blood levels of Montelukast.

Moderate

Teriflunomide (Oral Route)

Watch out for symptoms of Montelukast side effects such as headache, diarrhea, abdominal pain or fever and consult your doctor if you experience them. Teriflunomide may raise blood levels of Montelukast.

Moderate

Clopidogrel (Oral Route)

Clopidogrel may raise blood levels of Montelukast.

Moderate

Gemfibrozil (Oral Route)

Gemfibrozil may raise blood levels of Montelukast.

Frequently asked questions

Why do you have to take Montex 10 Tablet at night?

Usually, it is recommended to take Montex 10 Tablet in the evening when it is being used for asthma and allergic rhinitis (cough and cold due to allergy). However, the exact reason for this is not yet known. Some studies have shown that there is no difference in effectiveness whether Montex 10 Tablet is taken in the evening or morning. Hence, take the medicine as directed by your doctor.

Is Montex 10 Tablet a steroid?

No, Montex 10 Tablet is not a steroid. It is a leukotriene blocker. Leukotrienes are natural substances released during an allergic reaction, which cause constriction of the muscles of the airway. It can also cause allergy symptoms. This medicine blocks leukotrienes, which helps in relieving symptoms of asthma and allergic rhinitis.

Does Montex 10 Tablet make you drowsy?

An uncommon side effect of Montex 10 Tablet is drowsiness. It can also cause dizziness. Avoid driving or operating heavy machinery until you know how the medicine affects you. Consult your doctor if you experience these side effects.

Can I drink alcohol while taking Montex 10 Tablet?

Consumption of alcohol should be restricted while taking Montex 10 Tablet as it may cause dizziness and drowsiness as a side effect. Also, liver disorders caused as a side effect of Montex 10 Tablet may occur more commonly with the use of alcohol.

Can Montex 10 Tablet cause mood changes?

Yes, although uncommonly, Montex 10 Tablet may cause mood changes. The symptoms of mood change include anxiety, agitation, aggressive behavior or hostility, irritability, and restlessness. One may also experience depression and suicidal tendencies. Consult your doctor immediately in case you develop any of these symptoms.

Can Montex 10 Tablet cause weird dreams?

Yes, in rare cases, Montex 10 Tablet may cause nightmares, sleeplessness, and sleepwalking. You should contact your doctor if these symptoms persist.

How should Montex 10 Tablet be taken?

Montex 10 Tablet should be taken exactly as directed by your doctor. The medicine should be used preferably in the evening, with or without food, when being used for asthma. Whereas, for allergic rhinitis, it can be taken at any time of the day, but at the same time each day. But, if you are taking it to avoid breathing difficulties during exercise, it should be taken 2 hours before exercise.

How should Montex 10 Tablet be given to children?

It can be directly given in the mouth or dissolved in 1 teaspoonful of cold or room temperature baby formula or breast milk. It can also be used with 1 spoonful of mashed carrots, applesauce, rice, or ice cream. Remember to give the mixture within 15 minutes of making it.

Fact Box

Chemical Class

1,3- diarylpropanoid derivative

Habit Forming

Therapeutic Class

RESPIRATORY

Action Class

Leukotriene Antagonists

Related lab tests

Absolute Eosinophil Count

Complete Blood Count

References

Boushey HA. Drugs Used in Asthma. 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. 349-50.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 937-38.
Montelukast sodium [EMC SmPC]. South Ruislip, Middlesex: Aurobindo Pharma - Milpharm Ltd.; 2018. [Accessed 25 Jan. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 01 Apr. 2019] (online) Available from:
Montelukast [New Zealand Data Sheet]. Auckland, New Zealand: Viatris Ltd.; 2025.

User feedback

Patients taking Montex 10 Tablet

Once A Day

78%

Twice A Day

22%

What are you using Montex Tablet for?

Others

73%

Asthma

27%

How much was the improvement?

Average

39%

Poor

33%

Excellent

27%

What were the side-effects while using Montex 10 Tablet?

Nausea

50%

No Side Effect

33%

Headache

17%

How do you take Montex Tablet?

With food

71%

With or without food

29%

Please rate Montex 10 Tablet on price

Average

71%

Expensive

19%

Not Expensive

10%

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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: Zee Laboratories
Address: Uchani, G.T. Road, Karnal-132001 Haryana (INDIA)

Vendor Details

Country of origin: India

Lab tests offered by us

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

Montex 10 Tablet

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Montex Tablet

Benefits of Montex Tablet

Side effects of Montex Tablet

How to use Montex Tablet

How Montex Tablet works

All substitutes for Montex 10 Tablet

Montu 10mg Tablet

Montair 10 Tablet

Montek 10 Tablet

Telekast 10 Tablet

Romilast 10mg Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Mifepristone (Oral Route)

Leflunomide (Oral Route)

Teriflunomide (Oral Route)

Clopidogrel (Oral Route)

Gemfibrozil (Oral Route)

Frequently asked questions

Why do you have to take Montex 10 Tablet at night?

Is Montex 10 Tablet a steroid?

Does Montex 10 Tablet make you drowsy?

Can I drink alcohol while taking Montex 10 Tablet?

Can Montex 10 Tablet cause mood changes?

Can Montex 10 Tablet cause weird dreams?

How should Montex 10 Tablet be taken?

How should Montex 10 Tablet be given to children?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Absolute Eosinophil Count

Complete Blood Count

References

User feedback

Patients taking Montex 10 Tablet

What are you using Montex Tablet for?

How much was the improvement?

What were the side-effects while using Montex 10 Tablet?

How do you take Montex Tablet?

Please rate Montex 10 Tablet on price

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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