Information about Venlafaxine

Venlafaxine uses

Venlafaxine is used in the treatment of depression and anxiety disorder.

How venlafaxine works

Venlafaxine works by increasing the levels of chemical messengers (serotonin and noradrenaline), natural substances in the brain that help maintain mental balance.

Common side effects of venlafaxine

Nausea, Vomiting, Dizziness, Insomnia (difficulty in sleeping), Decreased appetite, Anxiety, Constipation, Increased sweating, Sexual dysfunction.

Available Medicine for Venlafaxine

  • ₹34 to ₹150
    Cipla Ltd
    5 variant(s)
  • ₹42 to ₹128
    Sun Pharmaceutical Industries Ltd
    3 variant(s)
  • ₹33 to ₹129
    Sun Pharmaceutical Industries Ltd
    4 variant(s)
  • ₹38 to ₹134
    Torrent Pharmaceuticals Ltd
    5 variant(s)
  • ₹29 to ₹199
    Wockhardt Ltd
    3 variant(s)
  • ₹26 to ₹62
    Tas Med India Pvt Ltd
    2 variant(s)
  • ₹31
    Psychotropics India Ltd
    1 variant(s)
  • ₹33 to ₹90
    La Pharmaceuticals
    3 variant(s)
  • ₹27 to ₹96
    Crescent Therapeutics Ltd
    3 variant(s)
  • ₹24 to ₹49
    3 variant(s)

Expert advice for Venlafaxine

  • You may have to wait for 2 to 4 weeks to get the full effect.
  • If your doctor asks you to stop Venlafaxine, you should reduce the dose slowly over 4 weeks. You should not discontinue it abruptly.
  • Inform your doctor if you have ever been diagnosed with high blood pressure or heart disease.
  • Inform your doctor if you have ever been diagnosed with kidney or liver problems.
  • It can cause a sensation of restlessness or an inability to sit or stand still. This is most likely to occur within the first few weeks of treatment. You should tell your doctor if this happens to you.
  • It may be more effective in some patients of depression who fails to respond to selective serotonin receptor inhibitors (SSRI) e.g. Fluoxetine.

Frequently asked questions for Venlafaxine


Q. Is venlafaxine an SSRI/MAOI/narcotic/ antipsychotic/ sedating/benzodiazepine?
Venlafaxine is an antidepressant drug. In animal studies, it is found to have serotonin reuptake inhibitor (SSRI) activity. It is not a narcotic/ antipsychotic/ sedating/ benzodiazepine
Q. Is venlafaxine safe?
Venlafaxine is safe if used at prescribed dose and duration as advised by your doctor for a particular disease condition
Q. Is venlafaxine the same as Effexor?
Yes, Effexor is a brand name of drug containing venlafaxine
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Q. Can I take Effexor/venlafaxine forever?
No, patient should take Effexor/venlafaxine for prescribed duration as advised by your doctor
Q. Can I take Effexor (venlafaxine) with Mucinex (guaifenesin)?
Taking Effexor (venlafaxine) with Mucinex (guaifenesin) does not cause any harmful effects. Please follow your doctor's advice regarding its use
Q. Can I take venlafaxine or Effexor with Xanax (alprazolam)/diazepam/ mirtazapine/ tramadol/ hydrocodone/ Wellbutrin (bupropion)?
Taking Effexor (venlafaxine) with Xanax (alprazolam)/ diazepam/ mirtazapine/ tramadol/ hydrocodone/ Wellbutrin (bupropion) may cause harmful effects such as fits, dizziness, and serotonin syndrome. Please follow your doctor's advice regarding its use
Q. Does venlafaxine contain MAOI?
No, it does not contain monoamine oxidase inhibitors (MAOIs)
Q. Does venlafaxine affect birth control/ affect libido/ cause memory loss?
These side effects are observed with venlafaxine use. Consult your doctor if you experience one or more such symptoms
Q. Does venlafaxine help with anxiety/ pain/to lose weight?
Venlafaxine is used to treat major depressive episodes and to prevent recurrence of such episodes. Its use in anxiety, pain and to lose weight is not established. Please follow doctor's advice regarding its use.

Content on this page was last updated on 23 June, 2017, by Dr. Varun Gupta (MD Pharmacology)