http://www.medications.com/effect/view/41588 I have just started my son on Singulair about 1 1/2 weeks . ago. He is also on Allegra plus using the Nasonex. The allergist did warn about all the things that have been reported about this drug. We still decided to try it to see how he responds to it. The Thu, 21 May 2009 13:43:08 -0400 http://www.medications.com/effect/view/41588?item=19993 my name is janice and i takesingulair because i have asthma and has been quite bad over the past few weeks i get tightness in my chest and find it hard to breath i also have a seretide 500 accuhaler and a preventre i still have some tightness in my chest s http://www.medications.com/effect/view/41588?item=19993 Wed, 27 May 2009 09:05:19 -0400 http://www.medications.com/effect/view/41588?item=20129 I would like to note that my 4 year old son started singular 2 months ago. I have only noticed that with this medicine he is not hyper or aggitated as when he was on allegra or zyrtec. I am still concerned about hearing of these side effects but, I have http://www.medications.com/effect/view/41588?item=20129