It is a leukotriene receptor antagonist (LTRA) used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies.
A. A. Montelukast (Singulair) is a drug that relieves allergy symptoms and is also used to prevent asthma attacks. It reduces congestion in your nose and also cuts down on sneezing, itching, and eye allergies. For people with allergies and asthma, it helps reduce inflamation in your airways.  Montelukast (trade names Singulair, Montelo-10, and Monteflo and Lukotas in India, Arokast in Bangladesh and Pulmikast in Pakistan) is a leukotriene receptor antagonist (LTRA) used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Montelukast is a CysLT1 antagonist; it blocks the action of leukotriene D4 (and secondary ligands LTC4 and LTE4) on the cysteinyl leukotriene receptor CysLT 1 in the lungs and bronchial tubes by binding to it. This reduces the bronchoconstriction otherwise caused by the leukotriene and results in less inflammation Singulair can also help decrease the frequency of asthma attacks, and it may be used to relieve the symptoms of hay fever, allergic rhinitis, and other allergies that cause sneezing and stuffy, runny, or itchy nose. You can also take it to prevent exercise-induced asthma. A: Singulair (montelukast) is a medication used to treat asthma. Cough is not listed as a side effect, but since hoarseness is, the hoarseness itself may lead to a cough. It is recommended that you contact your doctor if you experience these side effects, as this medication may not be right for you. Montelukast is used for a number of conditions including asthma, exercise induced bronchospasm, allergic rhinitis, primary dysmenorrhoea and urticaria. It is mainly used as a complementary therapy in adults in addition to inhaled corticosteroids, if they alone do not bring the desired effect. Montelukast is a CysLT1 antagonist; it blocks the action of leukotriene D4 (and secondary ligands LTC4 and LTE4) on the cysteinyl leukotriene receptor CysLT 1 in the lungs and bronchial tubes by binding to it. This reduces the bronchoconstriction otherwise caused by the leukotriene and results in less inflammation Knowledge center. Singulair (montelukast) is a prescription medication for the prevention of asthma attacks for patients aged 12 months or more (adults and children). The most common side effects related to taking montelukast include: Singulair can also cause these much rarer but potential serious side effects: Singulair is not fast-acting enough to deal with an asthma attack straight away. A: Singulair (montelukast) is a medication used to treat asthma and seasonal allergies, and does not list the side effect of bloating. Possible side effects include stomach pain and/or upset, heartburn, nausea, headache, dizziness, and tiredness. A: Singulair (montelukast) is a medication used to treat asthma. Cough is not listed as a side effect, but since hoarseness is, the hoarseness itself may lead to a cough. It is recommended that you contact your doctor if you experience these side effects, as this medication may not be right for you. DRUG CLASS AND MECHANISM: Montelukast is an oral leukotriene receptor antagonist that is used for the treatment of asthma and seasonal allergic rhinitis (hay fever).  Brand name: Singulair. Montelukast (brand name Singulair) is a leukotriene receptor antagonist which is used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Singulair is used to prevent asthma attacks in adults and children as young as 12 months old. Languages: IT-ES-DE-FR. Montelukast (brand name Singulair) is a leukotriene receptor antagonist which is used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies.
http://www.webmd.com/allergies/guide/singulair-leukotriene-inhibitors https://en.wikipedia.org/wiki/Montelukast http://www.everydayhealth.com/drugs/singulair https://en.wikipedia.org/wiki/Montelukast http://www.medicalnewstoday.com/articles/248209.php http://www.everydayhealth.com/drugs/singulair http://www.medicinenet.com/montelukast/article.htm http://www.montelukasts.net/index.html
what is montelukast