Within one week: If you don't feel improvement within 2 weeks then it won't help you.
Answered 7/20/2018
3.8k views
Difficult to answer: Unlike rescue inhalers which work very quickly, oral drugs like singulair (montelukast) do take awhile. It would not be a very good substitute for a rescue inhaler because of this. Continue your other medications while taking singulair (montelukast) and don't be discouraged. Good Luck
Answered 8/19/2014
3.8k views
4 doctors weighed in across 3 answers
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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