http://www.medications.com/effect/view/37063 Im 15 and I never knew that singulair had the side effects that included mental/mood change or worsening depression, etc. Although I did find it strange that I always seemed moody or bi-polar, it never occurred to me that it would be caused by singulair. I Fri, 05 Dec 2008 08:33:25 -0500 http://www.medications.com/effect/view/37063?item=15033 Thank you for writing on this site,it is important to hear from victims,as a mother who lived theough this with her child,i need you to know we are fighting for change,please join us in our fight at www.parentsforsafety.org http://www.medications.com/effect/view/37063?item=15033