Venlafaxine is a serotonin-noradrenaline reuptake inhibitor (SNRI) used to treat major depressive disorder, generalized anxiety disorder, and social anxiety disorder. It works by restoring the balance of certain natural substances in the brain.

Venlafaxine FAQ


What is venlafaxine used for?

Venlafaxine is used to treat depression, anxiety, and panic attacks.

How does venlafaxine work?

Venlafaxine works by increasing the levels of serotonin and norepinephrine in the brain.

What are the common side effects of venlafaxine?

Common side effects include nausea, dizziness, insomnia, and dry mouth.

How long does it take for venlafaxine to start working?

It may take several weeks for venlafaxine to start working. Patients should continue taking it as prescribed.

Is venlafaxine addictive?

Venlafaxine has a low potential for abuse and is not considered addictive.

Can I drink alcohol while taking venlafaxine?

Avoid alcohol while taking venlafaxine as it may increase the risk of certain side effects.

What should I do if I miss a dose of venlafaxine?

If a dose is missed, take it as soon as remembered unless it is almost time for the next dose. Do not double the dose.

How is venlafaxine different from other antidepressants?

Venlafaxine is an SNRI, whereas other antidepressants may belong to different classes such as SSRIs or tricyclic antidepressants.

Can venlafaxine be taken during pregnancy?

Consult a healthcare professional before using venlafaxine during pregnancy or if planning to become pregnant.

What should I discuss with my doctor before taking venlafaxine?

Inform your doctor about any other medications, medical conditions, and allergies to ensure safe use of venlafaxine.

Is venlafaxine suitable for elderly patients?

Elderly patients may be more sensitive to the effects of venlafaxine and may require a lower dosage.

Can venlafaxine cause weight changes?

Both weight loss and weight gain have been reported as side effects of venlafaxine.

Is it safe to drive or operate machinery while taking venlafaxine?

Venlafaxine may cause dizziness and drowsiness, so it is important to assess individual reactions before performing such activities.

What is the usual dosage of venlafaxine?

The initial dose for depression is usually 75 mg daily, and for anxiety disorders, it is often 75 mg to 225 mg daily.

Can venlafaxine be taken with food?

Venlafaxine can be taken with or without food, but should be taken consistently in the same manner daily.

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Information provided by Maryam Abdullahi-Mahdi. Reviewed by Prof. Vijay Sangar