Yes: Singulair or montelukast starts to work within one hour of taking a dose. However, for asthma it will start to work quickly but it will not reach the maximum anti inflammatory effect for 2-3 weeks.
Answered 12/31/2014
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Pls see answer: Singulair (montelukast) is not a quick acting medication. If your child has asthma and has symptoms of asthma, typically albuterol inhaler with a spacer device is used to quickly relieve symptoms. Singulair (montelukast) may take days to weeks to be effective.
Answered 7/7/2014
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