Although most people respond well to this medication, it is possible to develop problems with Effexor. Some of the most common side effects that have been reported with this
antidepressant include nausea, drowsiness, loss of appetite, and dry mouth.
In most cases, Effexor side effects are minor and either do not require treatment or can be treated quite easily. However, it is possible to develop potentially serious problems with Effexor that require immediate medical attention. You should contact your healthcare provider right away if you experience
anxiety or
panic attacks, chest pain, hallucinations, or difficulty sleeping.
(Click Effexor Side Effects to learn about other problems that may occur with this medication, including other common side effects, as well as rare but possible side effects.)