http://www.medications.com/effect/view/42494 My 13 year old son was taking Singulair for several years and had developed, over time, depression and anxiety. I didn't put the two together until the news stories came out a couple of years ago. Since then he has been taking Zyrtec. Over time the depre Wed, 15 Jul 2009 22:30:00 -0400 http://www.medications.com/effect/view/42494?item=21569 Hi, my son was on Singulair for severl years, too. We stopped it last March (because of the new reports), and it took almost 14 months for most of the anxiety, depression, phobias and obsessive compulsive behavior to almost disappear. Those signs come up http://www.medications.com/effect/view/42494?item=21569