SINGULAIR 10 mg FILM-COATED TABLETS
How to use SINGULAIR 10 mg FILM-COATED TABLETS
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This page provides general information and does not replace a doctor’s consultation. Always consult a doctor before taking any medication. Seek urgent medical care if symptoms are severe.
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Introduction
Package Leaflet: Information for the User
Singulair 10mg film-coated tablets
montelukast
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
- Keep this 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 you only. Do not pass it on to others. It may harm them, even if their signs of illness are the same as yours.
- If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.
Contents of the pack and other information
- What Singulair is and what it is used for
- What you need to know before you take Singulair
- How to take Singulair
- Possible side effects
- Storing Singulair
- Contents of the pack and other information
1. What Singulair is and what it is used for
What Singulair is
Singulair is a leukotriene receptor antagonist that blocks substances called leukotrienes.
How Singulair works
Leukotrienes cause the airways to narrow and swell, and can cause symptoms of asthma and allergic rhinitis. By blocking the leukotrienes, Singulair improves asthma symptoms, helps control asthma, and improves symptoms of seasonal allergic rhinitis (also known as hay fever or seasonal allergic rhinitis).
When to use Singulair
Your doctor has prescribed Singulair to treat asthma and prevent asthma symptoms during the day and night.
- Singulair is used for the treatment of adults and adolescents 15 years of age and older who are not adequately controlled with their medication and need additional treatment.
- Singulair also helps prevent narrowing of the airways caused by exercise.
- In patients with asthma who are indicated for Singulair for asthma, Singulair may also provide symptomatic relief of seasonal allergic rhinitis.
Depending on your symptoms and the severity of your asthma, your doctor will determine how you should use Singulair.
What is asthma?
Asthma is a chronic disease.
Asthma includes:
- difficulty breathing due to narrowing of the airways. This narrowing of the airways gets worse and improves in response to various diseases.
- airways that are sensitive and react to many things, such as cigarette smoke, pollen, cold air, or exercise.
- swelling (inflammation) of the inner layer of the airways.
The symptoms of asthma include: Coughing, wheezing, and chest congestion.
What are seasonal allergies?
Seasonal allergies (also known as hay fever or seasonal allergic rhinitis) are an allergic reaction often caused by airborne pollen from trees, grass, and weeds. Symptoms of seasonal allergies typically include: stuffy nose, runny nose; sneezing; itchy, watery, red, and swollen eyes.
2. What you need to know before you take Singulair
Tell your doctor about any allergy or medical problem you have now or have had.
Do not take Singulair
- if you are allergic to montelukast or any of the other ingredients of this medicine (listed in section 6).
Warnings and precautions
Consult your doctor or pharmacist before starting Singulair.
- If your asthma or breathing gets worse, tell your doctor immediately.
- Singulair oral is not indicated for the treatment of acute asthma attacks. If an attack occurs, follow the instructions given by your doctor. Always have your rescue inhaler medication for asthma attacks.
- It is important that you or your child use all asthma medications prescribed by your doctor. Singulair should not replace other asthma medications prescribed by your doctor.
- Any patient being treated with asthma medications should be aware that if they develop a combination of symptoms such as flu-like illness, tingling or numbness of arms or legs, worsening of pulmonary symptoms, and/or skin rash, they should consult their doctor.
- Do not take acetylsalicylic acid (aspirin) or anti-inflammatory medications (also known as non-steroidal anti-inflammatory drugs or NSAIDs) if they make your asthma worse.
Several neuropsychiatric events (such as changes in behavior and mood, depression, and suicidal tendencies) have been reported in patients of all ages treated with montelukast (see section 4). If you develop these symptoms while taking montelukast, you should contact your doctor.
Children and adolescents
Do not give this medicine to children under 15 years of age.
For pediatric patients under 18 years of age, other formulations of this medicine are available based on the age range.
Other medicines and Singulair
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines, including those obtained without a prescription.
Some medicines may affect the way Singulair works, or Singulair may affect the way other medicines work.
Before taking Singulair, tell your doctor if you are taking the following medicines:
- phenobarbital (used to treat epilepsy)
- phenytoin (used to treat epilepsy)
- rifampicin (used to treat tuberculosis and some other infections)
- gemfibrozil (used to treat high lipid levels in plasma)
Taking Singulair with food and drinks
Singulair 10 mg film-coated tablets can be taken with or without food.
Pregnancy and breastfeeding
If you are pregnant or breastfeeding, 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 Singulair during this period.
Breastfeeding
It is not known whether Singulair appears in breast milk. If you are breastfeeding or plan to breastfeed, consult your doctor before taking Singulair.
Driving and using machines
Singulair is not expected to affect your ability to drive a car or operate machinery. However, individual responses to the medicine may vary. Certain side effects (such as dizziness and drowsiness) that have been reported with Singulair may affect the patient's ability to drive or operate machinery.
Singulair 10 mg film-coated tablets contain lactose and sodium
This medicine contains lactose. If your doctor has told you that you have an intolerance to some sugars, consult them before taking this medicine.
This medicine contains less than 23 mg of sodium (1 mmol) per tablet; this is essentially "sodium-free".
3. How to take Singulair
Always take this medicine exactly as your doctor or pharmacist has told you. If you are not sure, check with your doctor or pharmacist.
- You should only take one Singulair tablet once a day, as prescribed by your doctor.
- You should take it even when you do not have symptoms or when you have an acute asthma attack.
For adults and adolescents 15 years of age and older:
The recommended dose is one 10 mg tablet daily in the evening.
If you are taking Singulair, make sure you do not take any other product that contains the same active ingredient, montelukast.
This medicine is taken orally.
You can take Singulair 10 mg with or without food.
If you take more Singulair than you should
Seek immediate medical attention.
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.
Consult your doctor, pharmacist, or call the Toxicology Information Service, phone 91.562.04.20, indicating the medicine and the amount taken. It is recommended to take the packaging and the leaflet of the medicine to the healthcare professional.
If you forget to take Singulair
Try to take Singulair as prescribed. However, if you miss a dose, just resume your regular schedule of one tablet once a day.
Do not take a double dose to make up for missed doses.
If you stop taking Singulair
Singulair will only treat your asthma if you continue to take it. It is important that you continue to take Singulair for as long as your doctor prescribes it. It will help control your asthma.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
4. Possible side effects
Like all medicines, this medicine can cause side effects, although not everybody gets them.
In clinical trials with Singulair 10 mg film-coated tablets, the side effects related to the administration of the medicine and reported most frequently (may affect up to 1 in 10 people) were:
- abdominal pain
- headache
These side effects were generally mild and occurred more frequently in patients treated with Singulair than with placebo (a pill that does not contain medicine).
Serious side effects
Consult your doctor immediatelyif you notice any of the following side effects, which may be serious and may require urgent medical treatment.
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
- mood-related changes: excitement 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):
- a combination of symptoms such as flu-like illness, tingling or numbness of arms and legs, worsening of pulmonary symptoms, and/or skin rash (Churg-Strauss syndrome) (see section 2)
- low platelet count
- mood-related changes: hallucinations, disorientation, suicidal thoughts and actions
- inflammation of the lungs (pneumonitis)
- severe skin reactions (erythema multiforme) that may occur without warning
- inflammation of the liver (hepatitis)
Other side effects reported during the marketing of the medicine
Very common (may affect more than 1 in 10 people):
- upper respiratory infection
Common (may affect up to 1 in 10 people):
- diarrhea, nausea, vomiting
- skin rash
- fever
- elevated liver enzymes
Uncommon (may affect up to 1 in 100 people):
- mood-related changes: sleep disturbances, including nightmares, sleep problems, sleepwalking, irritability, feeling anxious, restlessness
- dizziness, drowsiness, tingling/numbness
- nosebleeds
- dry mouth, indigestion
- bruising, itching, hives
- joint or muscle pain, muscle cramps
- bedwetting (in children)
- weakness/tiredness, malaise, swelling
Rare (may affect up to 1 in 1,000 people):
- mood-related changes: attention disturbance, memory disturbance, uncontrolled muscle movements
Very rare (may affect up to 1 in 10,000 people):
- red, painful lumps under the skin, most often on the shins (erythema nodosum)
- mood-related changes: obsessive-compulsive symptoms, stuttering
Reporting of side effects:
If you experience 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 the Spanish Medicines Monitoring System: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.
5. Storing Singulair
- 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 blister after EXP. The first two numbers indicate the month; the last four numbers indicate the year. The expiry date is the last day of the month indicated.
- Store in the original package to protect from light and moisture.
- Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help protect the environment.
6. Contents of the pack and other information
Composition of Singulair
- The active substance is montelukast. Each tablet contains montelukast sodium equivalent to 10 mg of montelukast.
- The other ingredients are:
Microcrystalline cellulose, lactose monohydrate (89.3 mg), croscarmellose sodium, hypromellose (E-463) and magnesium stearate.
Coating: hypromellose, hypromellose (E-463), titanium dioxide (E-171), red and yellow iron oxide (E-172) and carnauba wax.
Appearance and packaging
Singulair 10 mg film-coated tablets are beige, square-shaped with rounded edges, film-coated, with SINGULAIR engraved on one side, MSD 117 on the other.
Blister packs in packs of: 7, 10, 14, 20, 28, 30, 50, 56, 84, 90, 98, 100, 140 and 200 tablets.
Unit dose blister packs in packs of: 49x1, 50x1 and 56x1 tablets.
Not all pack sizes may be marketed.
Marketing authorization holder and manufacturer
Marketing authorization holder
Organon Health, S.L.
Paseo de la Castellana, 77
28046 Madrid
Spain
Tel.: 915911279
Manufacturer
Organon Heist bv
Industriepark 30
2220 Heist-op-den-Berg
Belgium
or
Merck Sharp & Dohme, B.V.
Waarderweg 39
2031 BN Haarlem
Netherlands
This medicine is authorized in the Member States of the European Economic Area under the following names:
Austria, Belgium, Denmark, Finland, France, Greece, Spain, Sweden, Germany, Ireland, Italy, Luxembourg, Netherlands, Portugal
Singulair
Date of last revision of this leaflet:04/2023.
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/
- Country of registration
- Average pharmacy price21.06 EUR
- Active substance
- Prescription requiredYes
- Manufacturer
- 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.
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