Singulair Side Effects: First night, first pill, just happened to find this website. I'l http://www.medications.com/effect/view/39402 First night, first pill, just happened to find this website. I'll keep you apprised. Me: White male, 43. Also on prozac. dstanley, Please make sure you are careful with this drug and Sat, 07 Mar 2009 12:07:54 -0500 http://www.medications.com/effect/view/39402?item=17766 dstanley, Please make sure you are careful with this drug and mixing it with others. . . Also, make sure you have someone to watch you for possible changes in behavior and thoughts. Rhiannon http://www.medications.com/effect/view/39402?item=17766