DRUG INTERACTIONS: Phenobarbital increases the blood concentration of montelukast by about 40%. Rifampin may have the same effect. Therefore, the dose of montelukast may need to be reduced when given concurrently with these drugs.
NOTES: Do not share this medication with others. Laboratory and/or medical test should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.
Singulair (montelukast) is a prescription drug used to treat asthma and allergic rhinitis, which is characterized by sneezing, runny, itchy and stuffy nose. The drug belongs to the class known as leukotriene receptor antagonists and is also used to prevent asthma brought on by exercise.
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