Online Effexor (Venlafaxine)
Antidepressants • Educational only; not medical advice. Prescriptions at clinician discretion.
Overview
Venlafaxine, sold as Effexor, is a serotonin–norepinephrine reuptake inhibitor (SNRI) antidepressant first approved in 1993. It enhances neurotransmitter activity by inhibiting the reuptake of serotonin and norepinephrine in the brain.
Uses
Indicated for major depressive disorder, generalized anxiety disorder, panic disorder, and social anxiety disorder. Off-label applications include menopausal hot flashes and neuropathic pain.Dosage & Administration
Initial dose: 75 mg/day (divided or extended-release once daily), increased gradually to 150–225 mg/day. Taper slowly when discontinuing to avoid withdrawal symptoms such as dizziness and irritability.Side Effects & Warnings
Common: nausea, sweating, insomnia, dry mouth, and sexual dysfunction. Serious: hypertension, serotonin syndrome, and withdrawal effects with abrupt cessation. Monitor blood pressure during therapy.Patient Considerations
Improvement may take several weeks. Avoid alcohol. Discuss any history of bipolar disorder, as antidepressants may trigger mania in predisposed individuals.Ready for next steps?
FAQ
Is Effexor stimulating or sedating?
It may cause either effect depending on dosage and patient sensitivity.
Can Effexor cause withdrawal?
Yes, taper slowly to prevent dizziness, brain “zaps,” and mood swings.
How long before Effexor works?
Typically 2–4 weeks for noticeable improvement.
Government / NIH sources
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