I have been on 50 mg Pristiq for 4 years. I am coming off by increasing the distance between taking the medication by 12 hours every 2 weeks. I am in my second 2 weeks, and so far have not had withdrawal symptoms. (every 36 hours first 2 weeks, now every 48 hours) For people more sensitive one could decrease by 6 hours every 2 weeks. This is a long process and takes some discipline (making a calendar). Has anyone succeeded in this way? I will keep you posted on how it works out for me.