venlafaxine

venlafaxine A unique antidepressant drug (brand name: Effexor) that is prescribed to treat depression. Venlafaxine is believed to affect the neurotransmitters serotonin, norepinephrine, and dopamine, but not monoamine oxidase (MAO). Venlafaxine is not usually indicated for use by people with kidney or liver disease, or by those with high blood pressure. Common side effects include sleepiness, insomnia, dry mouth, nervousness, nausea, and sexual dysfunction.