Has anyone made the switch from Effexor to Paxil?

I was on Paxil for 15 yrs but it quit working so my Dr switched me to Effexor. Now 2 yrs later Effexor stopped working. I asked my Dr if I could try Paxil again so my Dr has me starting me on 20 mg of Paxil while quitting the Effexor cold turkey. I'm scared and worried about side effects. I'm really hoping the Paxil works again. Any feedback would be GREATLY appreciated.

I actually tried effexer and it didnt work for me and I just went back to my normal meds that i took before and did fine switching them