Singulair Side Effects: My son is 11 years old. He has been on Singulair for about six y http://www.medications.com/effect/view/38032 My son is 11 years old. He has been on Singulair for about six years. Ihave taken him to see a psychologist twice because of his terrible mood swings. He was diagnosed with depression last year. I am very concerned about this drug now. He has also suff I to ended up doing the home schooling route,file a report with m Wed, 14 Jan 2009 19:51:18 -0500 http://www.medications.com/effect/view/38032?item=15992 I to ended up doing the home schooling route,file a report with medwatch,talk to your doctor,visit www.parentsforsafety.org to get more info.Your doctor will probly say its not the drug,but ask him to do a blood test,to check his esophilla levels,if they a http://www.medications.com/effect/view/38032?item=15992 My son developed depression while taking Singulair and as soon as Thu, 15 Jan 2009 00:18:01 -0500 http://www.medications.com/effect/view/38032?item=16002 My son developed depression while taking Singulair and as soon as we learned it was a possible side effect and stopped giving him Singulair, his depression lifted. He also suffered a myriad of other psychiatirc symptoms while taking Singulair that are no l http://www.medications.com/effect/view/38032?item=16002