Venfax 150mg Tablet PR
Prescription Required
Product introduction
Venfax 150mg Tablet PR is a medicine used to treat major depressive disorder and anxiety disorders. It helps improve mood, reduce nervousness, and improve overall well-being by restoring the balance of certain brain chemicals that affect mood and emotions.
Venfax 150mg Tablet PR should be taken with food. Take this medicine at the same time each day to maintain a stable level in your blood. If you miss a dose, take it as soon as you remember. Do not skip doses, and complete the full course of treatment even if you feel better. Do not stop taking this medication abruptly, as it may worsen your symptoms.
Some common side effects of this medicine include nausea, insomnia (difficulty sleeping), constipation, increased sweating, and sexual dysfunction. However, these side effects are temporary and typically resolve on their own over time. Consult your doctor if these do not subside or bother you.
Venfax 150mg Tablet PR may cause dizziness and drowsiness, so avoid driving or engaging in activities that require mental focus until you understand how this medicine affects you. Before taking Venfax 150mg Tablet PR, inform your doctor if you have any kidney, heart, or liver conditions or a history of seizures (epilepsy or fits). Additionally, notify your doctor if you experience any unusual mood or behavioral changes, worsening depression, or suicidal thoughts. Pregnant and breastfeeding women should consult before taking this medicine, as it may cause harmful effects on the developing baby.
Uses of Venfax Tablet PR
Benefits of Venfax Tablet PR
In Diabetic nerve pain
Venfax 150mg Tablet PR helps relieve diabetic neuropathic pain by reducing the burning, tingling, and stabbing sensations often felt in the hands and feet. It improves comfort, sleep, and quality of life in people with long-term diabetes-related nerve pain.
Side effects of Venfax Tablet PR
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Venfax
- Nausea
- Constipation
- Increased sweating
- Sexual dysfunction
- Dizziness
- Decreased appetite
- Erectile dysfunction
How to use Venfax Tablet PR
Use it as advised by your doctor or check the label for directions before use. Venfax 150mg Tablet PR is to be taken with food.
How Venfax Tablet PR works
Venfax 150mg Tablet PR works by increasing the levels of chemical messengers (serotonin and noradrenaline). These are natural substances in the brain that help maintain mental balance and manage depression and anxiety.
Safety advice
Alcohol
UNSAFE
It is unsafe to consume alcohol with Venfax 150mg Tablet PR.
Pregnancy
CONSULT YOUR DOCTOR
Venfax 150mg Tablet PR may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.
Breast feeding
CONSULT YOUR DOCTOR
Venfax 150mg Tablet PR is probably unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby.
Babies should be monitored for excessive sleepiness and adequate weight gain.
Babies should be monitored for excessive sleepiness and adequate weight gain.
Driving
UNSAFE
Venfax 150mg Tablet PR may cause side effects which could affect your ability to drive.
Venfax 150mg Tablet PR may cause dizziness, confusion, and eyesight changes such as blurred vision, which may affect your ability to drive.
Venfax 150mg Tablet PR may cause dizziness, confusion, and eyesight changes such as blurred vision, which may affect your ability to drive.
Kidney
CAUTION
Venfax 150mg Tablet PR should be used with caution in patients with kidney disease. Dose adjustment of Venfax 150mg Tablet PR may be needed. Please consult your doctor.
Liver
CAUTION
Venfax 150mg Tablet PR should be used with caution in patients with liver disease. Dose adjustment of Venfax 150mg Tablet PR may be needed. Please consult your doctor.
What if you forget to take Venfax Tablet PR?
If you miss a dose of Venfax 150mg Tablet PR, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
All substitutes
For informational purposes only. Consult a doctor before taking any medicines.
Venfax 150mg Tablet PR
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Quick tips
- It may take 2 to 4 weeks for Venfax 150mg Tablet PR to start working. Keep taking it as prescribed.
- It may cause dizziness and sleepiness. Do not drive or do anything requiring concentration until you know how it affects you.
- Avoid consuming alcohol when taking Venfax 150mg Tablet PR, as it may cause excessive drowsiness and increase the risk of liver damage.
- It may cause a sensation of restlessness, especially when you first start taking it. Inform your doctor if this happens to you.
- Consult your doctor if you experience sudden mood changes or have suicidal thoughts.
- Do not stop taking the medication suddenly without talking to your doctor.
Fact Box
Chemical Class
Anisole Derivative
Habit Forming
No
Therapeutic Class
NEURO CNS
Action Class
Serotonin Norepinephrine Reuptake Inhibitors (SNRIs)
Interaction with drugs
Taking Venfax with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Do not consume Moclobemide with Venlafaxine. If concurrent use is essential, please consult your doctor.
Concomitant use may cause an increase in blood serotonin levels. Patients
Do not consume Selegiline with Venlafaxine. If Selegiline is essential, ensure a gap of at least 2 weeks after discontinuing Venlafaxine. Please consult your doctor.
Concomitant u
Do not consume Venlafaxine with Domperidone.
Concomitant use may affect heart rhythm and can be fatal.
Avoid concurrent use unless your doctor considers it safe.
Concurrent use may cause fatal rise in blood serotonin levels.
If concurrent use is essential, watch out for symptoms of serotonin syndrome such as tremors, fever, diarrhea or agitation and consult your doctor if you experience them. Your doct
Patient concerns
FAQs
Can Venfax 150mg Tablet PR cause sedation?
Yes. Venfax 150mg Tablet PR can cause sedation. You should inform your doctor if you are taking any other sleep-inducing medicines before starting Venfax 150mg Tablet PR.
Is Venfax 150mg Tablet PR a psychotropic drug?
Yes. Venfax 150mg Tablet PR is a psychotropic drug. Any medication capable of affecting the mind, emotions, and behaviour are called psychotropic drugs.
Is Venfax 150mg Tablet PR a narcotic?
No. Venfax 150mg Tablet PR is not a narcotic drug. Narcotics are drugs with sleep-inducing properties, usually derivatives of opium, like heroin and morphine.
Can I take mirtazapine along with Venfax 150mg Tablet PR?
No. There can be a serious side effect when mirtazapine is taken with Venfax 150mg Tablet PR. It can cause a serious condition called as serotonin syndrome. It is a potentially life-threatening can present as agitation, hallucinations, nausea, vomiting, diarrhoea, tachycardia, labile blood pressure, hyperthermia and coma.
Can I take Venfax 150mg Tablet PR with citalopram?
No. Citalopram and Venfax 150mg Tablet PR both increase serotonin levels. Avoid or use any alternate drug. It can cause a serious condition called as serotonin syndrome. It is a potentially life-threatening can present as agitation, hallucinations, nausea, vomiting, diarrhoea, tachycardia, labile blood pressure, hyperthermia and coma.
What is the relation between Venfax 150mg Tablet PR and p-glycoprotein?
P-glycoprotein is responsible for the expulsion of Venfax 150mg Tablet PR from the brain. Some studies have shown that Venfax 150mg Tablet PR and its metabolite inhibit the p-glycoprotein.
Can Venfax 150mg Tablet PR cause high blood pressure?
Venfax 150mg Tablet PR treatment is associated with sustained increases in blood pressure in some people. It is recommended that people who are being treated with Venfax 150mg Tablet PR should have regular monitoring of blood pressure. For such people, either dose reduction or discontinuation should be considered.
Can Venfax 150mg Tablet PR cause constipation?
Yes. Venfax 150mg Tablet PR is known to cause constipation in some patients. Take a fiber-rich diet and drink plenty of water. You may consider taking laxatives as well. Your doctor will suggest ways to prevent or manage it. Please consult your doctor if it does not resolve or gets worse.
Can Venfax 150mg Tablet PR cause weight loss?
Yes. Venfax 150mg Tablet PR is known to cause weight loss in some patients. In research studies, a dose-dependent weight loss was noted in patients treated with Venfax 150mg Tablet PR for several weeks. Please consult your doctor if it bothers you.
Can Venfax 150mg Tablet PR cause addiction?
No. Venfax 150mg Tablet PR does not have habit-forming potential.
Can I take Venfax 150mg Tablet PR tablet instead of a capsule?
You can take a tablet instead of the capsule but only under consultation or prescription of a doctor. You should not change it yourself as the different formulation of a medication may have a different action as drug release would be different in both. This can lead to an inappropriate treatment and may lead to side effects or even failure of treatment.
Can gabapentin be given along with Venfax 150mg Tablet PR?
Yes, gabapentin can be given with Venfax 150mg Tablet PR, but only with a consultation with a doctor. They both, when given together, cause an increase in drowsiness, sleepiness, and decreased concentration at work. Take it with caution.
Can fibromyalgia be treated with Venfax 150mg Tablet PR?
Venfax 150mg Tablet PR is not approved for the treatment of fibromyalgia. Some research studies have shown promising results of Venfax 150mg Tablet PR in the treatment of fibromyalgia. Consult your doctor before starting this medication.
Can nerve pain be treated with Venfax 150mg Tablet PR?
Venfax 150mg Tablet PR is not approved for treatment of nerve pain disorders but some researchers have proved its efficacy in nerve pain. It is currently used off-label for nerve pain.
Why does Venfax 150mg Tablet PR cause loss of appetite?
Venfax 150mg Tablet PR is known to cause changes in the neurotransmitters levels and chemicals in the brain which leads to decrease in appetite and this loss of appetite is dose dependent.
What are good alternatives to Venfax 150mg Tablet PR, particularly when a side effect is reduced sex drive?
If you find any side effects like decreased sex drive or impotence, talk to your doctor, and then you can have another drug. Do not stop Venfax 150mg Tablet PR by yourself, it can lead to increased adverse effects.
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Disclaimer:
Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.References
- Stahl SM, editor. Venlafaxine. In: Stahl's Essential Pschopharmacology: Prescriber's Guide. 5th ed. New York, New York: Cambridge University Press; 2014. pp. 721-26.
- DeBattista C. Antidepressant Agents. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 513.
- Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. p. 1466.
- Venlafaxine [FDA Label]. Marietta, GA: Urban Pharmaceuticals Inc.; 1993 [revised Jun. 2014]. [Accessed 19 Mar. 2019] (online) Available from:
- Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006. Venlafaxine. [Updated 2019 Oct 23]. [Accessed 20 Feb. 2020] (online) Available from:
- Central Drugs Standard Control Organisation (CDSCO). [Accessed 19 Mar. 2019] (online) Available from:
- Venlafaxine hydrochloride [Drug Label]. Pfizer; 2021. [Accessed 18 Feb. 2025] (online) Available form:
- Venlafaxine Extended-Release [Prescribing Information]. Philadelphia, PA: Wyeth Pharmaceuticals Inc.; 2017. [Accessed 18 Feb. 2025] (online) Available from:
Marketer details
Name: Micro Labs Ltd
Address: 27, RACE COURSE ROAD, BANGALORE-560 001, INDIA
Country of origin: India
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