http://www.medications.com/effect/view/34559 My son has been on singulair for the past 6 to 8 months and my husband and i have had a very difficult time with him and his behavior. We have noticed him being very angry, mad, sad, screaming out for no reason, very defiant and not listening. He has been m Mon, 29 Sep 2008 14:16:54 -0400 http://www.medications.com/effect/view/34559?item=12890 I just read your email and it sounded just like my son. After reading all the postings, I immediately took him off in July and he's been doing much better. There is a light at the end of this hellish tunnel! http://www.medications.com/effect/view/34559?item=12890 Mon, 06 Oct 2008 00:44:32 -0400 http://www.medications.com/effect/view/34559?item=13154 Please sign our petition for labeling changes to Singulair at www.parentsforsafety.org. Thank you! http://www.medications.com/effect/view/34559?item=13154