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A 29-year-old female asked:

My doctor has prescribed me montelukast for seasonal allergy and potential asthma.does it work instantly or takes time?

1 doctor answer1 doctor weighed in
Dr. Tessa Fischer
Family Medicine 46 years experience
Montelukast efficac: It should work within a few days if taken consistently (daily) more for allergic asthma than allergies. There are other effective allergy meds, some over-the-counter. Hope you feel better

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Last updated Dec 15, 2020

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