My now 16 yr old started taking Singulair 11-17-2003. Within mon...

My now 16 yr old started taking Singulair 11-17-2003. Within months she started changing. Grades dropped, started dressing in dark clothes, withdrew from most friends and family, tremors of hands and feet, anxiety attacks, and worst of all started cutting her legs with razors. I took her to our mental health clinic for counseling and they put her on depression medication. All these things are documented. I stopped the Singulair 3-27-08. Will my child return from this nightmare. Please help!