A member asked:

How long does it take for singulair (montelukast) allergy pill to take effect?

5 doctors weighed in across 2 answers

A couple of days: Singulair (montelukast) is a relatively fast acting medication and one should see a benefit within a few days.

Answered 6/22/2016

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2 hours: Singular can begin having a positive effect within 2 hours.

Answered 11/4/2012

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Related Questions

A member asked:

Side effects of singulair (montelukast) taken for allergies?

A doctor has provided 1 answer