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Singulair

Singulair is a leukotriene receptor antagonist (LTRA ) used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. It is usually administered orally. Singulair blocks the action of leukotriene D4 on the cysteinyl leukotriene receptor CysLT1 in the lungs and bronchial tubes by binding to it. This reduces the bronchoconstriction otherwise caused by the leukotriene, and results in less inflammation. Because of its method of operation, it is not useful for the treatment of acute asthma attacks. Again because of its very specific locus of operation, it does not interact with other allergy medications such as theophylline. Singulair is marketed in United States and many other countries by Merck & Co. with the brand name Singulair┬«. It is available as oral tablets, chewable tablets, and oral granules. In India and other countries, it is also marketed under the brand name Montair®, produced by Indian company Cipla.

Singulair, like zafirlukast, is a leukotriene receptor antagonist used as an alternative to anti-inflammatory medications in the management and chronic treatment of asthma and exercise-induced bronchospasm (EIB). Unlike zafirlukast, singulair does not inhibit CYP2C9 or CYP3A4 and is, therefore, not expected to affect the hepatic clearance of drugs metabolized by these enzymes.

Side effects include headache, abdominal or stomach pain, cough, dental pain, dizziness, fever, heartburn, skin rash, stuffy nose, weakness or unusual tiredness.

Imprints


Drug: Singulair
Strength: 10 Mg
Pill Imprint: SINGULAIR MRK 117
Color: Beige
Shape: Four-sided

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Drug: Singulair
Strength: 5 Mg
Pill Imprint: SINGULAIR MRK 275
Color: Pink
Shape: Round

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Drug: Singulair
Strength: 4 Mg
Pill Imprint: SINGULAIR MRK 711
Color: Pink
Shape: Elliptical / Oval

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Drug: Singulair
Strength: 10 Mg
Pill Imprint: SINGULAIR MSD 117
Color: Brown
Shape: Four-sided

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Drug: Singulair
Strength: 5 Mg
Pill Imprint: SINGULAIR MSD 275
Color: Pink
Shape: Round

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Drug: Singulair
Strength: 4 Mg
Pill Imprint: SINGULAIR MSD 711
Color: Pink
Shape: Elliptical / Oval

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