Singulair Side Effects: I was put on Singulair about three weeks ago, and noticed immedia http://www.medications.com/effect/view/36527 I was put on Singulair about three weeks ago, and noticed immediately that my mood had changed. I am an adult ,and felt this sense of sadness, anxiety, solitude, not wanting to be around anyone. I took myself off the drug and have tics all over my body and that is the same way that Singulair effected me... did you take Fri, 14 Nov 2008 06:14:00 -0500 http://www.medications.com/effect/view/36527?item=14471 that is the same way that Singulair effected me... did you take the Singulair for allergies or asthma? did you have any other medical conditions (ADD/ADHD, depression, PMS,etc)? reason i'm asking is because i truly believe that the singulair cloned ge http://www.medications.com/effect/view/36527?item=14471 It is possible that genetic variation is the cause of different a Sat, 15 Nov 2008 21:34:18 -0500 http://www.medications.com/effect/view/36527?item=14528 It is possible that genetic variation is the cause of different adverse side effects that do not effect everyone. The bottom line is that Singulair was developed on the basis of a very specific gene model. Gene cloning when it refers to pharmaceutical re http://www.medications.com/effect/view/36527?item=14528