Venlafaxine is a prescription drug that is licensed to treat depression in adults. The antidepressant works by affecting chemicals in the brain that became unbalanced during depression, including serotonin, norepinephrine, and dopamine. Potential side effects of venlafaxine may include nausea, drowsiness, and constipation. The medication comes in a tablet form that is generally taken two or three times a day and is available in a number of strengths.
(Click Venlafaxine for more information about how venlafaxine works, details on when and how to take the medication, and general dosing guidelines for taking the drug.)