http://www.medications.com/effect/view/29584 My daughter took singulair for a number of years because she was asthmatic and the doctor recommended that she takes one each a day. At 13 she started acting differently and I thought it was just growing up and being a rebellious teenager. I later found t Mon, 14 Apr 2008 23:44:52 -0400 http://www.medications.com/effect/view/29584?item=7221 I have posted previously but thought I would add my thoughts related to your situation. My 15 yr. old daughter started taking singulair at age 5 I think. Around the time puberty hit (12 or 13....) her personality changed drastically which I thought must http://www.medications.com/effect/view/29584?item=7221 Tue, 15 Apr 2008 16:44:11 -0400 http://www.medications.com/effect/view/29584?item=7258 Sorry to hear about your daughter, but in actuality, the mood changes on singulair would have been immediate, rather than long term. In other words, after several days or even a week, you should have noticed behavioural changes, not several years later. http://www.medications.com/effect/view/29584?item=7258 Tue, 15 Apr 2008 19:36:58 -0400 http://www.medications.com/effect/view/29584?item=7267 How would you feel if you had no seen reports that confirmed that others believed in psychiatric side effects of Singulair. You might listen to Svengali -imh0560 who must believe that we must all be good little people and take our pills. I'd rather send http://www.medications.com/effect/view/29584?item=7267