http://www.medications.com/effect/view/30246 My daughter has been off Singulair since March 29th. In my previous posting I explained that she had taken it for 2 years and last December started to experience stomach pain, and she became very anxious, agitated, and obsessive compulsive. We had every t Mon, 12 May 2008 10:32:24 -0400 http://www.medications.com/effect/view/30246?item=8184 Good luck to you,i to took my 15 yr old son off singulair 6 weeks ago,we had anxiety and depression on singulair,i had stopped all his other drugs months before as they were not working, and we were doing bio feed back ,of course this wasnt working either, http://www.medications.com/effect/view/30246?item=8184