Question: what are the side effects of not taking venlafaxine?
Answer: Missing doses of venlafaxine may increase your risk for relapse in your symptoms. Stopping venlafaxine abruptly may result in one or more of the following withdrawal symptoms: irritability, nausea, feeling dizzy, vomiting, nightmares, headache, and/or paresthesias (prickling, tingling sensation on the skin).