Patient Leaflet Updated 22-Sep-2026 | Aurobindo Pharma - Milpharm Ltd.
Montelukast 10 mg film-coated tablets
Montelukast 10 mg film-coated tablets
(Montelukast)
1. What Montelukast is and what it is used for
2. What you need to know before you take Montelukast
3. How to take Montelukast
4. Possible side effects
5. How to store Montelukast
6. Contents of the pack and other information
Montelukast is a leukotriene receptor antagonist that blocks substances called leukotrienes.
Leukotrienes cause narrowing and swelling of airways in the lungs and also cause allergy symptoms.
By blocking leukotrienes, Montelukast improves asthma symptoms, helps control asthma and improves seasonal allergy symptoms (also known as hay fever or seasonal allergic rhinitis).
Your doctor has prescribed Montelukast to treat asthma, preventing your asthma symptoms during the day and night.
Your doctor will determine how Montelukast should be used depending on the symptoms and severity of your asthma.
Asthma is a long-term disease.
Asthma includes:
Symptoms of asthma include: Coughing, wheezing, and chest tightness.
Seasonal allergies (also known as hay fever or seasonal allergic rhinitis) are an allergic response often caused by airborne pollens from trees, grasses and weeds. The symptoms of seasonal allergies typically may include: stuffy, runny, itchy nose; sneezing; watery, swollen, red, itchy eyes.
Tell your doctor about any medical problems or allergies you have now or have had.
if you are allergic to montelukast or any of the other ingredients of this medicine (listed in section 6).
Talk to your doctor or pharmacist before taking Montelukast.
Various neuropsychiatric events (for example behaviour and mood-related changes, depression and suicidality) have been reported in patients of all ages treated with montelukast (see section 4). There have also been reports of these symptoms continuing after treatment is stopped. If you develop such symptoms while taking montelukast or if these symptoms do not resolve after montelukast is stopped, you should contact your prescriber.
Do not give this medicine to children less than 15 years of age.
There are different form(s) of this medicine available for paediatric patients under 18 years of age based on age range.
Tell your doctor or pharmacist if you are taking or have recently taken or might take any other medicines.
Some medicines may affect how Montelukast works, or Montelukast may affect how other medicines work.
Tell your doctor if you are taking the following medicines before starting Montelukast:
Montelukast may be taken with or without food.
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.
Pregnancy
Your doctor will assess whether you can take Montelukast during this time.
Breast-feeding
Your doctor will assess whether you can take Montelukast during this time.
Montelukast is not expected to affect your ability to drive a car or operate machinery. However, individual responses to medication may vary. Certain side effects (such as dizziness and drowsiness) that have been reported with Montelukast may affect some patients ability to drive or operate machinery.
If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
This medicine contains less than 1 mmol sodium (23 mg) per each tablet, that is to say essentially ‘sodium-free’.
Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.
The recommended dose is one 10 mg tablet to be taken daily in the evening.
If you are taking Montelukast, be sure that you do not take any other products that contain the same active ingredient, montelukast.
This medicine is for oral use.
You can take Montelukast 10 mg with or without food.
Contact your doctor immediately for advice.
There were no side effects reported in the majority of overdose reports. The most frequently occurring symptoms reported with overdose in adults and children included abdominal pain, sleepiness, thirst, headache, vomiting, and hyperactivity.
Try to take Montelukast as prescribed. However, if you miss a dose, just resume the usual schedule of one tablet once daily.
Do not take a double dose to make up for a forgotten dose.
Montelukast can treat your asthma only if you continue to take it.
It is important to continue taking Montelukast for as long as your doctor prescribes. It will help control your asthma.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
In clinical studies with montelukast 10 mg film-coated tablets, the most commonly reported side effects (may affect up to 1 in 10 people) thought to be related to Montelukast were:
These were usually mild and occurred at a greater frequency in patients treated with montelukast than placebo (a pill containing no medication).
Talk with your doctor immediately if you notice any of the following side effects, which may be serious, and for which you may need urgent medical treatment.
Uncommon: the following may affect up to 1 in 100 people
Rare: the following may affect up to 1 in 1,000 people
Very rare: the following may affect up to 1 in 10,000 people
Very common: the following may affect more than 1 in 10 people
Common: the following may affect up to 1 in 10 people
Uncommon: the following may affect up to 1 in 100 people
Rare: the following may affect up to 1 in 1,000 people
Very rare: the following may affect up to 1 in 10,000 people
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via Yellow Card Scheme Website: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date, which is stated on the carton/label/bottle after EXP. The expiry date refers to the last date of that month.
Store below 25°C.
Store in the original package in order to protect from light and moisture.
Use within 30 days after first opening the HDPE bottle.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
Film-coated tablets
Beige coloured, rounded square shaped, film-coated tablets debossed with ‘X’ on one side and ‘54’ on other side.
Polyamide / Aluminium foil / PVC – Aluminium foil blisters
Pack sizes: 7, 10, 14, 20, 28, 30, 49, 50, 56, 60, 84, 90, 98, 100, 140 and 200 tablets
HDPE bottle with polypropylene cap containing silica gel desiccant:
Pack sizes: 30 tablets
Not all listed pack sizes will be marketed.
Or
This leaflet was last revised in 06/2026.
Ref Ver: 01
P1542857
Milpharm Limited, 1 Roundwood Avenue, Stockley Park, Uxbridge, UB11 1AF, UK
+ 44 (0)208 845 8811
+44 (0)208 845 8811
http://www.aurobindo.com
+44 (0)208 845 8795