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Package Leaflet: Information for the Patient
Montelukast Sandoz 4 mg Chewable Tablets EFG
Read the package leaflet carefully before your child starts taking this medicine because it contains important information for you.
Contents of the package leaflet
Montelukast Sandoz is a leukotriene receptor antagonist that blocks substances called leukotrienes.
Leukotrienes cause narrowing and swelling of the airways in the lungs. By blocking leukotrienes, montelukast improves asthma symptoms and helps control asthma.
Your doctor has prescribed montelukast for your child to treat asthma, preventing asthma symptoms during the day and night.
Montelukast Sandoz also helps prevent narrowing of the airways caused by exercise in patients 2 years of age and older.
Depending on your child's symptoms and the severity of their asthma, their doctor will determine how to use 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 if
Warnings and precautions
Consult your doctor or pharmacist before taking Montelukast Sandoz:
Several neuropsychiatric events (such as changes in behavior and mood-related, depression, and suicidal tendencies) have been reported in patients of all ages treated with montelukast (see section 4). If your child develops these symptoms while taking montelukast, they should contact their doctor. |
Children and adolescents
Do not give this medicine to children under 2 years of age.
Other forms of this medicine are available for pediatric patients under 18 years of age based on age ranges.
Other medicines and Montelukast Sandoz
Some medicines may affect the way Montelukast Sandoz works, or Montelukast Sandoz may affect the way other medicines work that your child is using.
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 Sandoz, tell your doctor if your child is taking the following medicines:
Taking Montelukast Sandoz with food and drinks
Montelukast Sandoz 4 mg chewable tablets should not be taken with food; they should be taken at least 1 hour before or 2 hours after food.
Pregnancy and breastfeeding
This subsection is not applicable to Montelukast Sandoz 4 mg chewable tablets, as their use is indicated in children. However, the following information is important for the active substance, montelukast.
Use during pregnancy
Pregnant women or women planning 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 breastfeeding or planning to breastfeed, consult your doctor before taking montelukast.
Driving and using machines
This subsection is not applicable to Montelukast Sandoz 4 mg chewable tablets, as their use is indicated in children. 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 4 mg chewable tablets contain aspartame, azoic dye red allura (E129), sodium, and sucrose)
This medicine contains 0.96 mg of aspartame in each chewable tablet. Aspartame contains a source of phenylalanine that may be harmful in case of phenylketonuria (PKU), a rare genetic disorder in which phenylalanine accumulates because the body is unable to eliminate it properly.
This medicine contains azoic dye because it contains red allura. It may cause allergic reactions.
This medicine contains less than 1 mmol of sodium (23 mg), i.e., it is essentially "sodium-free".
This medicine contains sucrose. If your doctor has told you that your child has an intolerance to certain sugars, consult with them before taking this medicine. It may cause tooth decay.
Follow the instructions for administration of this medicine indicated by your doctor or pharmacist. In case of doubt, consult your doctor or pharmacist again.
The recommended dose is:
For children from 2 to 5 years of age
One 4 mg chewable tablet should be taken daily in the evening. Montelukast Sandoz 4 mg chewable tablets should not be taken with food; they should be taken at least 1 hour before or 2 hours after food. The tablets should be chewed before swallowing.
This medicine should be administered to children under adult supervision.
If your child is taking Montelukast Sandoz 4 mg chewable tablets, ensure they do not take any other medicine that contains the same active substance, montelukast.
Montelukast Sandoz 4 mg chewable tablets are not recommended for children under 2 years of age.
If your child takes more Montelukast Sandoz than they should
Contact your child's doctor immediately for help.
In most cases of overdose, no adverse 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 your child has taken more Montelukast Sandoz than they should, consult their doctor or pharmacist immediately or call the Toxicology Information Service, phone: 91 562 04 20, indicating the medicine and the amount used.
If you forget to give Montelukast Sandoz to your child
Try to give Montelukast Sandoz 4 mg chewable tablets as prescribed. However, if your child forgets a dose, just resume the usual dosage schedule of one tablet once a day.
Do not give a double dose to make up for forgotten 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 as long as 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 doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Tell your doctor immediately if you notice any of the following side effects in your child, they may need urgent medical treatment.
Uncommon side effects (may affect up to 1 in 100 people):
Rare side effects (may affect up to 1 in 1,000 people)
Very rare side effects (may affect up to 1 in 10,000 people)
In clinical studies with 10 mg film-coated tablets of montelukast and 4 mg or 5 mg chewable tablets, the most frequently reported adverse effects related to montelukast were:
These adverse effects were generally mild and occurred with a higher frequency in patients treated with montelukast than with placebo (a tablet that does not contain medicine).
Additionally, since montelukast has been marketed, the following adverse effects have been reported:
Very common: may affect more than 1 in 10 people
Common: may affect up to 1 in 10 people
Uncommon: may affect up to 1 in 100 people
Rare: may affect up to 1 in 1,000 people
Very rare side effects: may affect up to 1 in 10,000 people
Reporting of side effects
If your child experiences 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 through the Spanish Medicines Monitoring System for Human Use: 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 that appears on the packaging after EXP. The expiry date is the last day of the month indicated.
Store in the original packaging to protect from light and moisture
Medicines should not be disposed of via wastewater or household waste. Place the packaging and any unused medicine in the SIGRE collection point at your pharmacy. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medicine. This will help protect the environment.
Composition of Montelukast Sandoz:
Each tablet contains montelukast sodium equivalent to 4 mg of montelukast.
mannitol (E421), microcrystalline cellulose, hydroxypropylcellulose (E463), red iron oxide (E172), sodium croscarmellose,
flavor (cherry flavor AP0551, cherry aroma TD0990B [contains azoic dye red allura, E129]), aspartame (E951), and magnesium stearate.
Appearance of the product and pack contents
Montelukast Sandoz are pink, oval, chewable tablets engraved with 4 on one side.
The chewable tablets are packaged in OPA/ALU/PVC/ALU blisters and packaged in cardboard boxes.
Montelukast Sandoz is available in packs of: 7, 10, 14, 15, 20, 28, 30, 49, 50, 56, 60, 84, 90, 98, 100, 140, 200 chewable tablets.
Not all pack 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
Salutas Pharma GmbH
Otto-von-Guericke-Allee 1,
39179 Barleben
Germany
or
Lek Pharmaceuticals d.d.
Verovškova 57,
1526 Ljubljana
Slovenia
or
Lek Pharmaceuticals d.d.
Trimlini 2 D, 9220
Lendava
Slovenia
or
Lek S.A.
Ul. Domaniewska 50 C,
02-672 Warszawa
Poland
or
Sandoz S.R.L.
Str. Livezeni nr. 7A,
540472 Targu-Mures
Romania
or
Lek, S.A.
Ul Podlipie, 16
95-010 - Strykow
Poland
Date of the last revision of this leaflet:May 2024
Detailed and updated 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 CHEWABLE TABLETS in November, 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.
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