Montelukast may start working after the first dose in some users. However, to experience maximum benefits, montelukast should be continued for several days. If it is working, you will notice an improvement in your nasal congestion.
Please see the full Prescribing Information for more information.
This information is not, nor is it intended to be, a substitute for professional medical advice, diagnosis, or treatment, and should never be relied upon for specific medical advice. If you have any questions or concerns, please talk to your healthcare provider.
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