How to use Monkasta
Contents of the leaflet
- Package Leaflet: Information for the Patient
- Monkasta, 4 mg, Chewable Tablets
- For Children Aged 2 to 5 Years
- What is Monkasta and what is it Used for
- Important Information Before Giving Monkasta to the Child
- When not to Give Monkasta
- Warnings and Precautions
- Various Neuropsychiatric Events (such as Changes in Behavior and Mood, Depression, and Suicidal Thoughts) have been Reported in Patients of all Ages Treated with Montelukast (See Section 4). If the Child Experiences any of these Symptoms while Taking Montelukast, Consult the Doctor.
- Children and Adolescents
- Other Medicines and Monkasta
- Monkasta with Food and Drink
- Pregnancy and Breast-Feeding
- Driving and Using Machines
- Monkasta Contains Aspartame and Sodium
- How to Give Monkasta
- Possible Side Effects
- How to Store Monkasta
- Contents of the Package and other Information
Package Leaflet: Information for the Patient
Monkasta, 4 mg, Chewable Tablets
For Children Aged 2 to 5 Years
Montelukast
Read the Package Leaflet Carefully Before Giving the Medicine to the Child, as it Contains Important Information for the Patient.
- Keep this Package Leaflet. You may Need to Read it Again.
- If you Have any Further Questions, Ask your Doctor or Pharmacist.
- This Medicine has been Prescribed for a Specific Person. Do not Pass it on to Others. It may Harm them, even if their Symptoms are the Same as the Child's.
- If the Child Experiences any Side Effects, including those not Listed in this Package Leaflet, Tell the Doctor or Pharmacist. See Section 4.
Package Leaflet Contents
- 1. What is Monkasta and what is it Used for
- 2. Important Information Before Giving Monkasta to the Child
- 3. How to Give Monkasta
- 4. Possible Side Effects
- 5. How to Store Monkasta
- 6. Contents of the Package and other Information
1. What is Monkasta and what is it Used for
What is Monkasta
Monkasta is a Leukotriene Receptor Antagonist, which Blocks the Action of Substances called Leukotrienes.
How Monkasta Works
Leukotrienes Cause the Airway to Narrow and Swell. By Blocking the Action of Leukotrienes, Monkasta Relieves the Symptoms of Asthma and Helps Control Asthma.
When to Use Monkasta
The Doctor has Prescribed Monkasta to Treat Asthma in the Child, to Prevent Asthma Symptoms from Occurring During the Day and at Night.
- Monkasta is Used to Treat Patients Aged 2 to 5 Years who have not Achieved Adequate Control of Asthma with their Current Medicines and Require Additional Treatment.
- Monkasta may also be Used as an Alternative to Inhaled Corticosteroids in Patients Aged 2 to 5 Years who have not Recently Taken Oral Corticosteroids for Asthma and are Unable to Use Inhaled Corticosteroids.
- Monkasta also Helps Prevent Exercise-Induced Narrowing of the Airways in Patients Aged 2 Years and Older.
The Doctor will Determine how to Give Monkasta to the Child, Depending on the Child's Symptoms and the Severity of their Asthma.
What is Asthma?
Asthma is a Chronic Disease.
In Asthma, there are:
- Difficulty Breathing Due to Narrowing of the Airways. This Narrowing can Worsen and Improve in Response to Various Factors.
- Sensitivity of the Airways, which React to Many Factors, such as Cigarette Smoke, Pollen, Cold Air, or Exercise.
- Swelling (Inflammation) of the Lining of the Airways. Asthma Symptoms include Coughing, Wheezing, and a Feeling of Tightness in the Chest.
2. Important Information Before Giving Monkasta to the Child
Tell the Doctor about any Health Problems and Allergies the Child has Now or has Had in the Past.
When not to Give Monkasta
- If the Child is Allergic to Montelukast or any of the other Ingredients of this Medicine (Listed in Section 6).
Warnings and Precautions
Before Giving Monkasta to the Child, Consult the Doctor or Pharmacist:
- If the Child's Asthma Worsens or they have Difficulty Breathing, Tell the Doctor Immediately.
- Monkasta is not Intended for the Treatment of Acute Asthma Attacks. If an Attack Occurs, Follow the Doctor's Advice. Always Carry a Relief Inhaler with you in Case of an Asthma Attack.
- It is Important to Give the Child all the Asthma Medicines Prescribed by the Doctor. Do not Give Monkasta Instead of other Asthma Medicines Prescribed by the Doctor.
- Remember to Consult the Doctor if the Child Experiences a Combination of Symptoms such as Flu-like Symptoms, Tingling or Numbness of the Hands or Feet, Worsening of Respiratory Symptoms, and/or Rash.
- Do not Give the Child Aspirin or other Non-Steroidal Anti-Inflammatory Medicines (also known as NSAIDs) if they Worsen the Child's Asthma Symptoms.
Various Neuropsychiatric Events (such as Changes in Behavior and Mood, Depression, and Suicidal Thoughts) have been Reported in Patients of all Ages Treated with Montelukast (See Section 4). If the Child Experiences any of these Symptoms while Taking Montelukast, Consult the Doctor.
Consult the Doctor if the Child Experiences any of these Symptoms while Taking Montelukast.
Children and Adolescents
Do not Give this Medicine to Children Under 2 Years of Age.
For Children and Adolescents Under 18 Years of Age, other Forms of this Medicine are Available, Suitable for the Child's Age.
Other Medicines and Monkasta
Tell the Doctor or Pharmacist about all Medicines the Child is Taking Now or has Taken Recently, including those Obtained without a Prescription.
Some Medicines may Affect the Action of Monkasta or Monkasta may Affect the Action of other Medicines.
Before Giving Monkasta, Tell the Doctor if the Child is Taking:
- Phenobarbital (Used to Treat Epilepsy),
- Phenytoin (Used to Treat Epilepsy),
- Rifampicin (Used to Treat Tuberculosis and some other Infections).
Monkasta with Food and Drink
Do not Give Monkasta 4 mg Chewable Tablets with Food; Give it at Least 1 Hour Before or 2 Hours After Food.
Pregnancy and Breast-Feeding
This Section does not Apply to Monkasta 4 mg Chewable Tablets, as they are Intended for Use in Children Aged 2 to 5 Years.
Driving and Using Machines
This Section does not Apply to Monkasta 4 mg Chewable Tablets, as they are Intended for Use in Children Aged 2 to 5 Years. However, the Following Information is Relevant to the Active Substance, Montelukast.
Monkasta is not Expected to Affect the Ability to Drive or Use Machines. However, Individual Reactions to the Medicine may Vary. Some Side Effects (such as Dizziness and Drowsiness) Reported with Monkasta may Affect the Ability to Drive or Use Machines in some Patients.
Monkasta Contains Aspartame and Sodium
This Medicine Contains 1.2 mg of Aspartame in each Chewable Tablet. Aspartame is a Source of Phenylalanine. It may be Harmful if the Child has Phenylketonuria, a Rare Genetic Disorder in which Phenylalanine Builds up in the Body due to its Impaired Elimination.
This Medicine Contains Less than 1 mmol (23 mg) of Sodium per Chewable Tablet, which means it is Essentially Sodium-Free.
3. How to Give Monkasta
Always Give this Medicine Exactly as the Doctor or Pharmacist has Told you. If you are not Sure, Check with the Doctor or Pharmacist.
- Give this Medicine to the Child Under Adult Supervision. For Children who have Difficulty with Chewable Tablets, a Granule Form is Available.
- Give the Child only one Monkasta Chewable Tablet Once a Day, as Advised by the Doctor.
- Give the Medicine Even when the Child does not have Asthma Symptoms, and also when an Acute Asthma Attack Occurs.
Use in Children Aged 2 to 5 Years
The Recommended Dose is one 4 mg Chewable Tablet Taken Once a Day, in the Evening.
If the Child is Taking this Medicine, Ensure they are not Taking any other Medicines that Contain the same Active Ingredient, Montelukast.
This Medicine is for Oral Use.
Chew the Tablet Before Swallowing.
Do not Give Monkasta 4 mg Chewable Tablets with Food; Give it 1 Hour Before or 2 Hours After Food.
Overdose of Monkasta
For Advice, Contact the Child's Doctor Immediately.
In Most Cases of Overdose, no Side Effects have been Observed.
The Most Commonly Reported Symptoms of Overdose in Adults and Children are: Abdominal Pain, Drowsiness, Increased Thirst, Headache, Vomiting, and Hyperactivity.
Missed Dose of Monkasta
Try to Give Monkasta as the Doctor has Prescribed. If the Child Misses a Dose, go Back to the Normal Dosing Schedule - one Chewable Tablet Once a Day.
Do not Give a Double Dose to Make up for a Missed Dose.
Stopping Monkasta
Monkasta is Effective in Treating Asthma in the Child only if it is Taken Regularly.
It is Important to Continue Giving the Medicine to the Child for as Long as the Doctor has Prescribed. This will Help Keep the Asthma Under Control.
If you have any Further Questions on the Use of this Medicine, Ask the Child's Doctor or Pharmacist.
4. Possible Side Effects
Like all Medicines, this Medicine can Cause Side Effects, although not Everybody gets them.
During Clinical Trials with Montelukast 4 mg Chewable Tablets, the Most Commonly Reported Side Effects (which may Occur in up to 1 in 10 People) that were Considered to be Related to Montelukast were:
- Abdominal Pain,
- Increased Thirst.
In Addition, in Clinical Trials with Montelukast 10 mg Film-Coated Tablets and 5 mg Chewable Tablets, the Following were Reported:
- Headache.
These Symptoms were Usually Mild and Occurred More Frequently in Patients Treated with Montelukast than in those Taking a Dummy Treatment (a Tablet that does not Contain any Medicine).
Severe Side Effects
Seek Medical Attention Immediatelyif the Child Experiences any of the Following Severe Side Effects, which may Require Urgent Medical Attention.
Uncommon: may Affect up to 1 in 100 People
- Allergic Reactions, including Swelling of the Face, Lips, Tongue, and/or Throat, which may Cause Difficulty in Breathing or Swallowing,
- Changes in Behavior and Mood: Agitation, including Aggressive Behavior or Hostility, Depression,
- Seizures.
Rare: may Affect up to 1 in 1,000 People
- Increased Risk of Bleeding,
- Tremor,
- Palpitations.
Very Rare: may Affect up to 1 in 10,000 People
- Symptoms such as Flu-like Symptoms, Tingling or Numbness of the Hands and Feet, Worsening of Respiratory Symptoms, and/or Rash (Churg-Strauss Syndrome) (See Section 2),
- Decreased Platelet Count,
- Changes in Behavior and Mood: Hallucinations, Disorientation, Suicidal Thoughts and Attempts,
- Inflammation of the Lungs (Pneumonia),
- Severe Skin Reactions (Erythema Multiforme), which may Occur without Warning,
- Liver Inflammation (Hepatitis).
Other Side Effects Reported after the Medicine was Marked
Very Common: may Affect more than 1 in 10 People
- Upper Respiratory Tract Infections.
Common: may Affect up to 1 in 10 People
- Diarrhea, Nausea, Vomiting,
- Rash,
- Fever,
- Increased Liver Enzymes.
Uncommon: may Affect up to 1 in 100 People
- Changes in Behavior and Mood: Unusual Dreams, including Nightmares, Difficulty Falling Asleep, Sleepwalking, Irritability, Feeling Anxious, Restlessness,
- Dizziness, Drowsiness, Tingling and Numbness,
- Nosebleeds,
- Dry Mouth, Indigestion,
- Bruising, Itching, Hives,
- Muscle or Joint Pain, Muscle Cramps,
- Nocturnal Enuresis in Children,
- Weakness and/or Fatigue, Malaise, Swelling.
Rare: may Affect up to 1 in 1,000 People
- Changes in Behavior and Mood: Attention Disturbances, Memory Disturbances, Uncontrolled Movements.
Very Rare: may Affect up to 1 in 10,000 People
- Painful, Red Lumps under the Skin, usually on the Shins (Erythema Nodosum),
- Changes in Behavior and Mood: Obsessive-Compulsive Symptoms,
- Stuttering.
Reporting Side Effects
If you Get any Side Effects, Talk to your Doctor or Pharmacist. This includes any Possible Side Effects not Listed in this Package Leaflet. You can also Report Side Effects Directly via the National Reporting System:
Department for the Monitoring of Adverse Reactions to Medicinal Products,
Office for Registration of Medicinal Products, Medical Devices, and Biocidal Products,
Al. Jerozolimskie 181C, 02-222 Warsaw
Tel: +48 22 49 21 301
Fax: +48 22 49 21 309
Website: https://smz.ezdrowie.gov.pl
You can also Report Side Effects to the Marketing Authorization Holder.
By Reporting Side Effects, you can Help Provide more Information on the Safety of this Medicine.
5. How to Store Monkasta
Keep this Medicine out of the Sight and Reach of Children.
Do not Use this Medicine after the Expiry Date Stated on the Blister and Carton after EXP.
The Expiry Date Refers to the Last Day of the Month.
Store in the Original Package to Protect from Light.
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.
6. Contents of the Package and other Information
What Monkasta Contains
- The Active Substance is Montelukast. Each Chewable Tablet Contains 4 mg of Montelukast (as Montelukast Sodium).
- The other Ingredients are Mannitol (E 421), Microcrystalline Cellulose, Sodium Carboxymethylcellulose, Hydroxypropylcellulose, Aspartame (E 951), Red Iron Oxide (E 172), Cherry Flavor (which also Contains Triacetin (E 1518)), and Magnesium Stearate. See Section 2 "Monkasta Contains Aspartame and Sodium".
What Monkasta Looks Like and Contents of the Package
Pink, Mottled, Round, Slightly Biconvex Tablets, with a Score Line and the Number 4 on one Side.
Package: 28 and 90 Chewable Tablets in Blisters, in a Carton.
Marketing Authorization Holder
KRKA, d.d., Novo mesto, Šmarješka cesta 6, 8501 Novo mesto, Slovenia
Manufacturer
KRKA, d.d., Novo mesto, Šmarješka cesta 6, 8501 Novo mesto, Slovenia
KRKA-POLSKA Sp. z o.o., ul. Równoległa 5, 02-235 Warsaw, Poland
TAD Pharma GmbH, Heinz-Lohmann-Straße 5, 27472 Cuxhaven, Germany
For more Information on the Names of the Medicine in other EU Member States and the UK (Northern Ireland), Contact the Local Representative of the Marketing Authorization Holder:
KRKA-POLSKA Sp. z o.o.
ul. Równoległa 5
02-235 Warsaw
Tel. 22 57 37 500
Date of Last Revision of the Package Leaflet:07.02.2024

- Country of registration
- Dosage formTablets, 4 mg
- ATC codeR03DC03
- Active substance
- Prescription requiredYes
- Manufacturer
- ImporterKrka, d.d., Novo mesto Krka Polska Sp. z o.o. TAD Pharma GmbH
- This information is for reference only and does not constitute medical advice. Always consult a doctor before taking any medication. Oladoctor is not responsible for medical decisions based on this content.
- Alternatives to MonkastaDosage form: Tablets, 10 mgActive substance: montelukastManufacturer: Zakłady Farmaceutyczne POLPHARMA S.A.Prescription requiredDosage form: Tablets, 5 mgActive substance: montelukastManufacturer: Zakłady Farmaceutyczne POLPHARMA S.A. Zakłady Farmaceutyczne POLPHARMA S.A. Oddział Produkcyjny w Nowej DębiePrescription requiredDosage form: Tablets, 5 mgActive substance: montelukastPrescription required
Online doctors for Monkasta
Discuss questions about Monkasta, including use, safety considerations and prescription review, subject to medical assessment and local regulations.
Get Monkasta Prescription Online
Fill in a 2-min form
Tell us your symptoms, history, and what medicine you're requesting.
Pick a doctor or let us assign
Choose a specialist or we'll match you with the next available doctor.
Doctor reviews your case
Usually within 30 minutes. They may ask follow-up questions via chat.
Collect from any pharmacy
Electronic prescription sent to your email — valid across Spain.
Frequently Asked Questions
Monkasta requires a prescription in Poland. You can check with a doctor online whether this medicine may be appropriate for your situation.
The active ingredient in Monkasta is montelukast. This information helps identify medicines with the same composition but different brand names.
Monkasta is manufactured by Krka, d.d., Novo mesto Krka Polska Sp. z o.o. TAD Pharma GmbH. Pharmacy brands and packaging may differ depending on the distributor.
Doctors such as Family doctors, Psychiatrists, Dermatologists, Cardiologists, Endocrinologists, Gastroenterologists, Pulmonologists, Nephrologists, Rheumatologists, Hematologists, Infectious disease physicians, Allergists, Geriatricians, Paediatricians, Oncologists may assess whether Monkasta is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.
Spain has a well-developed healthcare infrastructure across major cities such as Madrid, Barcelona, Valencia, and Seville. Pharmacies are widely available and operate under strict regulations, ensuring access to prescribed medications.
You can buy Monkasta in Madrid, Barcelona, Seville, or Valencia at any local pharmacy with a valid prescription.
To obtain a prescription, you can use Oladoctor:
Other medicines with the same active substance (montelukast) include Asmenol Pph, Asmenol Pph, Asmenol. These may have different brand names or formulations but contain the same therapeutic ingredient. Always consult a doctor before switching or starting a new medicine.
















