Singulair is found to be effective long–term asthma. It can also be used for relief from allergy symptoms.
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Singulair (Montelukast)

This drug is a leukotriene inhibitor. These are chemicals your body discharges when you take in an allergen, (for example, pollen). Leukotrienes cause swollen lungs and contraction of the muscles in your air passages, which can bring about asthma side effects.


Montelukast sodium is the active ingredient in this drug. It is a specific and orally dynamic leukotriene receptor antagonist that hinders the CysLT1 receptor.

Its atomic weight is 608.18 and empirical formula is C35H35ClNNaO3S.


Singulair is utilized to avoid asthma assaults in grown-ups and kids as youthful as 12 months old. Singulair is additionally used to forestall work out prompted bronchospasm in grown-ups and kids who are no less than 6 years of age.

Singulair is additionally used to treat side effects of year-round (enduring) sensitivities in grown-ups and youngsters who are no less than 6 months old. It is additionally used to treat manifestations of occasional sensitivities in grown-ups and youngsters who are no less than 2 years of age.

How to use

SINGULAIR ought to be taken once day by day at night. The accompanying measurements are suggested:

For grown-ups and young people 15 years old and more seasoned: one 10-mg tablet.

For Child patients of the age six to fourteen years: one five-mg chewable medicine.

For children of two to five years old: one four-mg tablet or 1 bundle of four-mg oral granules.

For babies of twelve to twenty three months of age: 1 parcel of four-mg oral granules.

Singulair (Montelukast) 10mg tablets

Side Effects

Get instant medical aid if you show any kind of indications of an unfavorably susceptible response to Singulair: hives; trouble breathing; swollen lips, throat, face or tongue.

Call your specialist without a moment's delay if you have:

  • Unusual mood swings or behavioral changes;
  • Skin rash
  • Severe tingling
  • Bruising
  • Numbness
  • Muscle weakness
  • Pain
  • Ear pain
  • Swelling
  • Warmth
  • Severe skin reaction--sore throat, fever, burning eyes

Regular Singulair reactions may include:

  • Diarrhea, stomach ache;
  • Fever or other influenza side effects;
  • Symptoms of cold for example, stuffy nose, sore throat, cough and sinus pain
  • Migraine; or
  • Loss of control on bladder or bed-wetting in youngsters.


You ought not to utilize Singulair if you are sensitive to montelukast.

To ensure Singulair is alright for you, tell your specialist in the event that you have:

asthma, or a background marked by extreme hypersensitive response to aspirin.

Phenylalanine may be present in this chewable tablet. Talk to your specialist before utilizing this type of drug if you have phenylketonuria (PKU).

Patients with aspirin sensitivity should proceed with avoidance of ibuprofen or non-steroidal mitigating operators while taking SINGULAIR.

Pregnancy and Singulair

Singulair is not anticipated that would be destructive to an unborn child. Tell your specialist if you are pregnant or think of getting pregnant amid treatment.

It is uncertain whether montelukast goes into maternal milk or whether it could hurt a nursing child. Tell your specialist if you are nourishing an infant.

Drug Uses

Singulair is found to be effective long–term asthma. It can also be used for relief from allergy symptoms.

How Taken

Take Singulair as per the doctor’s direction. You can take the drug with or without meal.

Missed Dose

Nothing to worry about the missed dosage. If you happen to remember it, take it. Well, if it is time for the next dosage, skip the old dosage. Never take a double dosage.

More Information

The drug can cause drowsiness or dizziness. It can worsen if taken with certain medications or alcohol. Only drive if you feel comfortable after taking the drug. This drug should only be taken by those for whom it has been prescribed.