http://www.medications.com/effect/view/36755 Oh my gosh. I am on this website because I googled "behavior issues with Singulair" Both of my children are on Singulair. One from as young as 5 months old. Both Pulmonologist, allergist and Internal med Ped. insisted that it was a safe drug. They aren Thu, 20 Nov 2008 03:08:18 -0500 http://www.medications.com/effect/view/36755?item=14675 I know how you feel you are not alone,visit www.parentsfoesafety.org for more info.The insomnia is the worst,sleep deprivation is a form of torture,it was our experiance the side effect to take the longest to resolve.8 months off now not to much to complai http://www.medications.com/effect/view/36755?item=14675 Fri, 21 Nov 2008 12:33:00 -0500 http://www.medications.com/effect/view/36755?item=14712 Refer to the National Heat Lung and Blood institute's recommendations for treating asthma near the bottom of the home page of www.parentsforsafety.org. The recommended treatment is inhaled corticosteroids as a first line of treatment. Singulair is not a fi http://www.medications.com/effect/view/36755?item=14712