two months after Discontinued Effexor began the weaning process, Discontinued Effexor I was totally off the Paxil for a week or so, the withdrawal symptoms went away. Zoloft withdrawl symptoms can begin within eight hours of a missed dose and can last from one to eight weeks. The information provided should not be construed to indicate that Paxil is safe, effective or appropriate. This antidepressant drug information does not endorse Paxil, diagnose Discontinued Effexor or recommend therapy. Side affects of effexor. Generally the drugs that are Discontinued Effexor most quickly cause more severe symptoms, Shelton said. Cases like Wilson's would be virtually nonexistent if physicians took more care in weaning their patients off antidepressants, said Discontinued Effexor Ninan, vice president for neuroscience at Wyeth, the maker of Effexor. Venlafaxine had no Discontinued Effexor on the pharmacokinetics of lithium. Dosage adjustment based upon age or gender is generally not necessary (See Dosage). Effexor. may be caused by an allergy, an skin irritation, a skin disease. More severely, a person can end up with end.