What Is Venlafaxine? The Role of Effexor XR in Mental Health Treatment


Mental health conditions can make us feel overburdened and distressed. Emotionally, we might feel hopeless, worthless, or panicked. And the symptoms don’t stop there; physical feelings such as tightness in the chest, stomach pains, and muscle aches can also become commonplace.
If these feelings describe your experience, the thought of medication may have crossed your mind, perhaps leading to the question, What is venlafaxine?
Venlafaxine is a first-line medical treatment for mental health conditions such as depression and anxiety, as it often successfully provides relief from symptoms. However, it might not be a good fit for everyone. For this reason, it’s important to understand the ins and outs of venlafaxine and how it could work for you.
Mental health providers, such as Mission Connection, can help you determine whether venlafaxine is a good fit for your needs. This guide can also work as a helpful tool for shedding light on venlafaxine, as it discusses…
- What venlafaxine is
- The conditions venlafaxine is used for
- Venlafaxine and Effexor XR dosage guidelines
- How long venlafaxine takes to work
- Venlafaxine side effects and risks
- How to taper off venlafaxine safely
- Frequently asked questions about venlafaxine
- Where to find professional support for treating mental health conditions with medication

What Is Venlafaxine?
However, venlafaxine is also commonly prescribed off-label for treating a variety of other conditions. Off-label prescribing simply means a medication could be useful for treating an issue it wasn’t originally created for.
The role that chemical imbalances play in mental health conditions is still under debate. Still, there’s a lot of evidence to suggest that there is a deficit in certain brain chemicals in people with issues like depression and anxiety.2
As an SNRI, venlafaxine works by preventing synapses in the brain from reabsorbing two brain chemicals which are primarily responsible for mood, energy, arousal, and attention: serotonin and norepinephrine.
When these two chemicals are more available, they’re able to continue ferrying messages from brain cell to brain cell. As a result, people with mental health conditions may feel more alert, focused, energized, able to function, and positive.3
While SNRIs like venlafaxine may sound like the solution to all your problems, the same medication can affect two people differently. What’s more, venlafaxine may be more suitable for some mental health conditions than others – which we’ll discuss next.
What Is Venlafaxine Used For?
Venlafaxine is also commonly prescribed off-label for a variety of other issues, which your provider will be more than comfortable discussing with you. In the meantime, the following information discusses the conditions for which venlafaxine or Effexor XR is most commonly prescribed.
Effexor XR for Depression
Venlafaxine for Anxiety
Venlafaxine for Panic Disorder
Effexor XR Dosage
The Effexor XR dosage varies slightly depending on the condition it’s prescribed for. If you’re considering taking it for off-label reasons, your provider will talk to you about the most suitable dosage for your needs.
As an important note, due to venlafaxine’s link with suicidal thoughts in minors, Effexor XR is typically not prescribed for children, so there are no dosage guidelines provided below for minors. Additionally, there is no evidence that doses higher than 75 mg benefit those with social anxiety disorder.8
Effexor Dosage List:8
For adults:
- Depression:
- Initial Dose: 75 mg
- Maintenance Dose: 75 – 100 mg
- Max Dose: 375 mg
- Anxiety:
- Initial Dose: 75 mg
- Maintenance Dose: 75 – 225 mg
- Max Dose: 225 mg
- Panic Disorder:
- Initial Dose: 35 – 75 mg
- Maintenance Dose: 75 – 225 mg
- Max Dose: 225 mg
How Long Does Effexor Take to Work?
When mental health conditions such as depression and anxiety are affecting your day-to-day life, it’s very normal to question how long venlafaxine takes to work. In truth, there’s no black and white answer to this. Everyone has unique physical makeups and symptoms, so one person’s response to medication might not mirror another’s.
For instance, some people might see benefits in as little as one or two weeks, but more serious symptoms could take up to six weeks to improve. Additionally, Effexor XR reviews sometimes state that it takes over two months to see proper effects. In other words, try not to be discouraged. If you don’t see early benefits, this doesn’t mean the drug isn’t working. Talk to your provider if you haven’t seen any results after the 4-6 week mark, as they may be able to put your concerns at ease or adjust your dose if necessary.
As the early signs venlafaxine is working can be subtle, we highlight these below.
Signs Effexor Is Working:
- Improved sleep patterns
- More energy and motivation
- Reduced physical symptoms
- Boost in appetite
- Elevated mood and feelings of positivity
- Lower feelings of hopelessness, anxiety, and panic
These last two signs may take longer to see, but if the previous ones start to show, this is a good indicator that the others will follow.
Venlafaxine Side Effects
As with all medications, venlafaxine comes with a number of side effects. According to the FDA’s regulations, all antidepressants carry a “black box warning.” This warning states that there’s a risk of increased suicidal thoughts with SNRIs, especially early in treatment and with people under the age of 24. This side effect is rare, but if you notice any concerning thoughts or actions after starting treatment, consult your provider straight away.
More common venlafaxine side effects should ease after the initial adjustment period, and not everyone will experience them. However, if any of the following side effects persist, contact your provider to discuss your concerns.
Effexor XR Side Effects:4
- Drowsiness
- Fatigue
- Headaches
- Dizziness
- Gastrointestinal issues, such as nausea, vomiting, and diarrhoea
- Dry mouth
- Heartburn
- Changes in weight and appetite
- Tremors or shakes
- Sensory issues, such as numbness or shaking
- Constipation
- Loss of ability to taste foods
- Sweating
- Urination changes
- Hot flashes
- Flu-like symptoms, including a sore throat and chills
- Ringing in the ears
- Sexual dysfunction
While these symptoms should ease, there are more serious side effects that may require immediate medical attention. These include seizures, irregular heartbeat, fever, hallucinations, and coma. For a full awareness of these risks, consult the information leaflet that comes with the prescription.
How to Taper Off Venlafaxine
There are many reasons why someone might decide to stop taking venlafaxine. They may not see any benefits, find that they’re encountering too many side effects, or decide that their symptoms no longer need medication. If you’re wondering how to taper off Effexor safely, the answer is to do it slowly and under professional guidance.
Stopping Effexor suddenly can lead to a return of mental health issues and venlafaxine withdrawal symptoms. While these withdrawal symptoms are rarely life-threatening, they can be severe and highly uncomfortable. The best way to stop venlafaxine is by tapering. This way, your body can adjust to the lower levels of brain chemicals over time. Mission Connection can help you create a tapering plan that fits your symptoms, dose, and needs.
While not everyone experiences Effexor withdrawal symptoms, keeping an eye out for the following can help ensure you protect your well-being and recovery.
Effexor XR Withdrawal Symptoms
- Anxiety
- Confusion
- Mood shifts
- Fatigue
- Headache
- Irritability
- Agitation
- Loss of coordination
- Sleep disturbances
- Intense dreams or nightmares
- Blurred vision
- Sensory issues, which feel like an electric shock in the brain
- Tremors
- Nausea
- Loss of appetite
- Physical sensations such as tingling, burning, or numbness
- Seizures
If you experience these symptoms, it’s important to consult your provider so that your dose can be tapered in a way that manages these issues.
Frequently Asked Questions About Venlafaxine
While the aim of this guide is to provide as much information as possible about the potential benefits and risks of venlafaxine, you may still have some questions or concerns. For this reason, we provide answers to some FAQs about venlafaxine to help you determine whether this medication is a good fit for your symptoms and life.
Which SNRI Is Better? Venlafaxine vs Duloxetine
There’s no hard and fast way to determine whether venlafaxine or duloxetine is better for your symptoms and needs. The answer to this question will come from a thorough physical and emotional evaluation with a mental health professional. Both medications have been shown to be effective for treating depression, but duloxetine may be better for chronic pain conditions, and venlafaxine may be more appropriate for panic and social anxiety. They also have varying side effects. A provider can discuss the pros and cons of both for your needs.
Is There a Link Between Venlafaxine and Insomnia?
Can Effexor Cause Weight Gain?
Is There a Link Between Effexor and Sexual Side Effects?
Unfortunately, there is a link between Effexor and sexual side effects. In males, this might look like decreased sex drive, erectile dysfunction, or difficulties ejaculating. In females, the effects might include decreased sex drive and difficulties with orgasm. Not everyone will experience these side effects, but the number of people who do is quite high – especially in the early stages of treatment. Talk to your provider about any issues you encounter, as there may be additional medications or dose adjustments that could manage these problems.
Mission Connection: Professional Mental Health and Medication Guidance
The choice to take a medication can be daunting – especially in light of the information about venlafaxine side effects and risks. Yet, venlafaxine can be highly beneficial as part of a treatment plan. It all comes down to your symptoms, needs, and response to medication.
Mission Connection can be your rock in this process. We provide medication guidance and management, and can also help you understand the importance of therapy in achieving long-term recovery success. We look beyond the prescription pad to see underlying problems and can recommend appropriate treatment packages based on your requirements.
If you’re ready to talk about Mission Connection’s treatment options or just have more questions to ask about medication, our team is here to help. Contact us today via phone call or fill out our confidential contact form.
References
- Patel, K. R., Cherian, J., Gohil, K., & Atkinson, D. (2019). Selective serotonin reuptake inhibitors (SSRIs). In StatPearls. StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK535363/
- Jauhar, S., Cowen, P. J., & Browning, M. (2023). Fifty years on: Serotonin and depression. Journal of Psychopharmacology, 37(3), 237.
- Fanelli, D., Weller, G., & Liu, H. (2021). New Serotonin-Norepinephrine Reuptake Inhibitors and Their Anesthetic and Analgesic Considerations. Neurology International, 13(4), 497. https://doi.org/10.3390/neurolint13040049
- American Society of Health-System Pharmacists. (2022, January 15). Venlafaxine. MedlinePlus. https://medlineplus.gov/druginfo/meds/a694020.html
- Fagiolini, A., Cardoner, N., Pirildar, S., Ittsakul, P., Ng, B., Duailibi, K., & El Hindy, N. (2023). Moving from serotonin to serotonin-norepinephrine enhancement with increasing venlafaxine dose: Clinical implications and strategies for a successful outcome in major depressive disorder. Expert Opinion on Pharmacotherapy, 24(15), 1715–1723. https://doi.org/10.1080/14656566.2023.2242264
- Gelenberg, A. J., Lydiard, R. B., Rudolph, R. L., Aguiar, L., Haskins, J. T., & Salinas, E. (2000). Efficacy of venlafaxine extended-release capsules in nondepressed outpatients with generalized anxiety disorder: A 6-month randomized controlled trial. JAMA, 283(23), 3082–3088. https://doi.org/10.1001/jama.283.23.3082
- Katzman, M. A., & Jacobs, L. (2007). Venlafaxine in the treatment of panic disorder. Neuropsychiatric Disease and Treatment, 3(1), 59. https://doi.org/10.2147/nedt.2007.3.1.59
- Drugs.com. (2023, July 11). Venlafaxine dosage guide + max dose, adjustments. https://www.drugs.com/dosage/venlafaxine.html
- Ensrud, K. E., Guthrie, K. A., Hohensee, C., Caan, B., Carpenter, J. S., Freeman, E. W., LaCroix, A. Z., Landis, C. A., Manson, J., Newton, K. M., Otte, J., Reed, S. D., Shifren, J. L., Sternfeld, B., Woods, N. F., & Joffe, H. (2015). Effects of Estradiol and Venlafaxine on Insomnia Symptoms and Sleep Quality in Women with Hot Flashes. Sleep, 38(1), 97. https://doi.org/10.5665/sleep.4332
- Freeborn, J. (2024, July 5). Study pinpoints 3 common antidepressants tied to the most weight gain. Medical News Today. https://www.medicalnewstoday.com/articles/study-pinpoints-3-common-antidepressants-tied-to-the-most-weight-gain