Package Leaflet: Information for the Patient
Montelukast Sandoz 4 mg Granules for Oral Suspension
Read the entire package leaflet carefully before your child starts taking this medicine, as it contains important information for you.
Contents of the Package Leaflet:
Montelukast is a leukotriene receptor antagonist that blocks substances called leukotrienes. Leukotrienes cause narrowing and inflammation of the airways in the lungs. By blocking leukotrienes, montelukast improves asthma symptoms and helps control asthma.
Your doctor has prescribed montelukast to treat your child's asthma and prevent asthma symptoms during the day and night.
Depending on your child's symptoms and the severity of their asthma, your doctor will determine how your child should take montelukast.
What is Asthma?
Asthma is a chronic disease.
Asthma includes:
Asthma symptoms include: coughing, wheezing, and chest congestion.
Tell your doctor about any allergy or medical problem your child has now or has had.
Do not give Montelukast Sandoz to your child:
Warnings and Precautions
Consult your doctor or pharmacist before starting to take Montelukast Sandoz.
Children and Adolescents
Do not give this medicine to children and adolescents under 6 months.
Other formats of this medicine are available for children under 18 years of age, based on the age range.
Taking Montelukast Sandoz with other medicines
Some medicines may affect the way montelukast works, or montelukast may affect the way other medicines work that your child is taking.
Tell your doctor or pharmacist if your child is taking, has recently taken, or might take any other medicines, including those obtained without a prescription.
Before taking montelukast, tell your doctor if your child is taking the following medicines:
Taking Montelukast Sandoz with food and drinks
Montelukast can be taken with or without food.
Pregnancy and Breastfeeding
This subsection is not applicable to Montelukast Sandoz 4 mg granules for oral suspension, as its use is indicated in children between 6 months and 5 years of age. However, the following information is important for the active substance, montelukast.
Use during pregnancy
Women who are pregnant or plan to become pregnant should consult their doctor before taking montelukast. Their doctor will assess whether they can take montelukast during this period.
Use during breastfeeding
It is unknown whether montelukast appears in breast milk. If you are breastfeeding or plan to breastfeed, consult your doctor before taking montelukast.
Driving and using machines
This subsection is not applicable to Montelukast Sandoz 4 mg granules for oral suspension, as its use is indicated in children between 6 months and 5 years of age. However, the following information is important for the active substance, montelukast.
Montelukast is not expected to affect the ability to drive or use machines. However, individual responses to the medicine may vary. Certain side effects (such as dizziness and drowsiness) that have been reported very rarely with montelukast may affect the patient's ability to drive or use machines.
Montelukast Sandoz contains sodium
This medicine contains less than 23 mg of sodium (1mmol) per dose; this is essentially "sodium-free".
The usual dose is:
For children from 6 months to 5 years of age
One sachet of montelukast 4 mg granules for oral suspension should be taken orally every night.
If your child is taking montelukast, make sure they do not take any other medicine that contains the same active substance, montelukast.
For children from 2 to 5 years of age, Montelukast Sandoz 4 mg chewable tablets are available. The formulation of Montelukast Sandoz 4 mg granules for oral suspension is not recommended in children under 6 months of age.
How should I give Montelukast Sandoz to my child?
If your child takes more Montelukast Sandoz than they should
If they have taken more Montelukast Sandoz than they should, consult your doctor, pharmacist, or call the Toxicology Information Service, phone: 91562 04 20, indicating the medicine and the amount used.
In most cases of overdose, no side effects were reported. The symptoms that occurred most frequently in overdose in adults and children were abdominal pain, drowsiness, thirst, headache, vomiting, and hyperactivity.
If you forget to give Montelukast Sandoz to your child
Try to give montelukast as prescribed. However, if your child misses a dose, just resume the regular schedule of one sachet once a day.
Do not give a double dose to make up for missed doses.
If your child stops taking Montelukast Sandoz
Montelukast can only treat your child's asthma if they continue taking it. It is essential that your child continues taking montelukast for the time their doctor prescribes it. It will help control your child's asthma.
If you have any further questions about the use of this medicine, ask your child's doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Tell your doctor immediately if your child experiences any of the following serious side effects, as they may need urgent medical attention.
Side effects are uncommon(may affect up to 1 in 100 people):
Side effects are rare(may affect up to 1 in 1,000 people):
Side effects are very rare(may affect up to 1 in 10,000 people):
Clinical trials conducted with montelukast 4 mg granules for oral suspension, 4 mg chewable tablets, 5 mg chewable tablets, or 10 mg tablets, the most frequently reported side effects related to montelukast were:
These were usually mild and occurred more frequently in patients treated with montelukast than with placebo (a tablet that does not contain medication).
Additionally, while the medicine is on the market, the following side effects have been reported:
Side effects are very common(may affect more than 1 in 10 people):
Side effects are common(may affect up to 1 in 10 people):
Side effects are uncommon(may affect up to 1 in 100 people):
Side effects are rare(may affect up to 1 in 1,000 people):
Side effects are very rare(may affect up to 1 in 10,000 people):
Reporting of side effects
If you experience any side effects, consult your doctor or pharmacist, even if they are not listed in this package leaflet. You can also report side effects directly through the Spanish Medicines Agency's website: https://www.notificaram.es. 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 stated on the packaging and sachet after EXP. The expiry date is the last day of the month stated.
Store below 25°C.
Keep the medicine in its original packaging to protect it from light and moisture.
Medicines should not be disposed of via wastewater or household waste. Return any unused medicine to a pharmacy for disposal. Ask your pharmacist how to dispose of medicines no longer required. This will help protect the environment.
Composition of Montelukast Sandoz
Appearance and packaging of the product
White or almost white granules.
Montelukast Sandoz 4 mg granules for oral suspension are packaged in PET/Alu/PE sachets and included in a cardboard box.
Package sizes:
7, 10, 14, 20, 28, 30, and 100 sachets.
Not all package sizes may be marketed.
Marketing authorization holder and manufacturer
Marketing authorization holder
Sandoz Farmacéutica, S.A.
Centro Empresarial Parque Norte
Edificio Roble
C/ Serrano Galvache, 56
28033 Madrid
Spain
Manufacturer
Lek Pharmaceuticals d.d.
Verovškova ulica 57
1526 Ljubljana
Slovenia
or
Salutas Pharma GmbH
Otto-von-Guericke-Allee 1
39179 Barleben
Germany
or
Lek S.A.
Ul. Domaniewska 50C,
02-672 Warszawa
Poland
or
Lek Pharmaceuticals d.d.
Trimlini 2d,
9220 Lendava
Slovenia
or
S.C. Sandoz, S.R.L.
Str. Livezeni nr. 7A,
540472 Targu-Mures jud. mures
Romania
or
Lek S.A.
Ul. Podlipie Str.16
95-010 Strykow
Poland
This medicine is authorized in the Member States of the European Economic Area under the following names:
Austria: Montelukast Sandoz 4 mg - Granulat
Slovenia: Mofenstra 4 mg zrnca
Finland: Montelukast Sandoz 4 mg rakeet
Hungary: Montelukast Sandoz 4 mg granulátum
Poland: Montelukast Sandoz
Portugal: Montelucaste Sandoz
United Kingdom: Montelukast Sodium 4 mg Oral Granules
Sweden: Montelukast Sandoz 4 mg granulat
This package leaflet was approved in April 2020
Detailed and up-to-date information on this medicine is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) http://www.aemps.gob.es/
The average price of MONTELUKAST SANDOZ 4 mg GRANULES in October, 2025 is around 16.84 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.