Venlafaxine
Venlafaxine is a serotonin-noradrenaline reuptake inhibitor used for selected depression or anxiety disorders. Immediate- and prolonged-release products are not interchangeable without prescriber review. Listed uses include major depressive disorder and generalised anxiety disorder.
Effexor XR
Major Depressive Disorder
75 · 150mg
Effexor XR is venlafaxine 75mg and 150mg in a prolonged-release capsule for major depression and generalised anxiety disorder. An SNRI taken once a day.
Key points
- Abrupt stopping can cause prominent withdrawal symptoms.
- Blood pressure and pulse can rise and may need monitoring.
- Other serotonergic medicines can cause serotonin syndrome.
Select a listed product and pack to order online. Whether it suits you depends on mental-health assessment and exact formulation; ask your doctor or pharmacist.
Important safety checks
Review suicidal thoughts, bipolar disorder, blood pressure, heart rhythm, seizures, glaucoma, low sodium, pregnancy and serotonergic or bleeding-risk medicines.
When to seek urgent care
Seek urgent help for suicidal intent, severe agitation with fever and stiffness, seizure, fainting, a new irregular heartbeat, facial swelling or breathing difficulty.
Further reading
What is venlafaxine used for?
Venlafaxine is used for depression and anxiety, including major depressive disorder and generalised anxiety disorder.
How does venlafaxine work?
Venlafaxine is a serotonin and noradrenaline reuptake inhibitor (SNRI), so it raises the levels of serotonin and noradrenaline in the brain.
Which products contain venlafaxine?
Products containing venlafaxine on SGMeds include Effexor, Venlor and Effexor XR. Compare their forms, strengths and pack sizes.
How long does venlafaxine take to work?
Venlafaxine usually takes 2 to 4 weeks before you notice a difference.
What are the side effects of venlafaxine?
You may get nausea, dizziness or trouble sleeping. Dry mouth and sweating are also possible. A reaction to too much serotonin (serotonin syndrome) is serious and needs immediate medical attention.
Can I take venlafaxine with other medicines?
Do not take an MAO inhibitor with venlafaxine. Other serotonergic medicines can cause a reaction to too much serotonin (serotonin syndrome), so check with a doctor or pharmacist before combining medicines.
What brand names is venlafaxine sold under?
In other countries, venlafaxine is also sold as Venlax, Viepax, Efexor and Efexor XL. Brand names vary between countries, so compare products by their active ingredient.
What does venlafaxine cost in Singapore dollars?
Each product on this page shows a price for each strength and pack size in Singapore dollars, converted from US dollars, so the exchange rate can change the final amount. Larger packs usually cost less per tablet.
Payment and prices →Can I buy venlafaxine over the counter in Singapore?
Yes, online. SGMeds does not ask for a prescription to order venlafaxine: we place the order with our pharmacy partner, which prepares it and arranges delivery on your behalf.
Ordering without a prescription →Do you deliver venlafaxine to Singapore?
Yes. We deliver to Singapore and Malaysia. Express shipping is tracked and takes up to 1 week, and Regular shipping takes up to 3 weeks.
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