not, you'll just need to try something else. While working through Carcinoid Syndrome Effexor physical and emotional effects of Paxil withdrawl symptoms, hallucinations can make the sufferer feel as if they are going crazy. Anyone discontinuing Paxil runs the risk of Carcinoid Syndrome Effexor from withdrawal symptoms. Alcohol and effexor. Side effects of going off effexor. Awareness may Carcinoid Syndrome Effexor increased since then, but the phenomenon is so little studied that no one has done the necessary research to find out. Geriatrics: No dose adjustment is recommended for elderly patients on the basis of their age. The potential interaction of venlafaxine and lithium in clinical practice is unknown. Therefore, it is recommended that the dosage be tapered gradually and the patient monitored (See Dosage). Effexor is extensively metabolized, with O-desmethylvenlafaxine, (ODV, the only Carcinoid Syndrome Effexor active metabolite) peak plasma levels occurring. .