http://www.medications.com/effect/view/30177 My son will be 6 in June. He has been on singulair since he was 2. About a couple of months ago I noticed a change in his mood. Like he was depressed. Getting very upset if he couldn't do a certain thing. To the point of crying. Also crying if we get on hi Sun, 04 May 2008 14:16:29 -0400 http://www.medications.com/effect/view/30177?item=7924 My son has been off it since 3-29.. Things are looking better each day! Yes there were some up and downs as he was adjusting over last month but so worth it to get back the happy children we once had! He is 6 and was on it since 2 1/2. The last 6 months th http://www.medications.com/effect/view/30177?item=7924 Mon, 05 May 2008 00:23:57 -0400 http://www.medications.com/effect/view/30177?item=7938 Like many of us,you will love seeing your son become happy again.All of the symptoms you discribed were present in my children as well.Good Luck. http://www.medications.com/effect/view/30177?item=7938 Tue, 06 May 2008 15:25:13 -0400 http://www.medications.com/effect/view/30177?item=8000 Hang in there. We have been off for about 5 weeks and I would say that our daughter is about 90% back to normal. We had the same change in personality - from happy go lucky before Singulair to dark moods, dark thoughts, sadness, etc. I am hoping t http://www.medications.com/effect/view/30177?item=8000