After the awful side effects reducing and coming off sertraline PLEASE TELL ME VENLAFAXINE WORK ??? Iv just started taking it and feel so tied Iv got to stay in bed ( I can put up with all the other side effects ) just can't get out the bed Iv no energy at all ( I'm only just in to my second week ) so I understand Iv got to let them get in to my system, but PLEASE tell me they work. !!!!!!