Wow I'm so glad I found this forum.  I am coming off of 75mg of Effexor that I have been taking for about 2 years.
THIS DRUG SHOULD COME OFF OF THE MARKET!!!
When I first started effexor it was hell for the first week...similar to now coming off.  The withdrawals are 20 times worse. 
I weaned my slowly by breaking open the capsules and reducing 25% at a time.  Every 3 weeks I would reduce the next 25%.  I felt mild symptoms for the 1st day or 2 when reducing(trails when i turned my head..very mild brain zaps).  I thought this whole thing would be easy if that is all I had to go through.
Well as soon as I came to taking nothing...BANG, ZAP, TRAILS, RELENTLESS CRYING, FATIGUE. 
This is the only drug I was on.  I am 47 years old.  I have been on Prozac in the past and have never experienced this horrific pain. 
I am on day 7 of nothing and each day it gets a teeny bit better.  Very slow process and if I could just hide from the world for 2 weeks, while I go through this, I'm sure it would be okay.  Unfortunately, I have to work..like normal people do and my job requires my brain to function.  This is pure hell.  I am going to buy fish oil tomorrow to see if that will help the brain zaps and trails.  I had to go to a celebration of life today and couldn't stop crying.  I couldn't stay very long because my exhaustion and emotional turmoil would not be a good sight for others to see.
I'm going to hang in there.  I want off of this crazy drug.  Imagine what it was doing to my brain on a long term basis.  Scary!!!