hello my name is Ruth I am 17 years old I have been diagnosed with depression, ptsd, and hdhd and I don't know of any others. anyways I recently just got discharged from Brattleboro Retreat and they started me on Effexor...what would be the worries while taking it and also when my doctor and I decide whether or not to stop having me take it I would like to know what would happen with withdrawls?