Table of contents

  1. What is Venlafaxine Tablet?
  2. Composition & Strength of Venlafaxine Tablet
  3. How does Venlafaxine tablet work?
  4. Venlafaxine Tablet uses
  5. Common side effects of Venlafaxine tablet
  6. Venlafaxine Contraindications
  7. Venlafaxine tablet precautions & how to use
  8. General warnings and Dosage about Venlafaxine
  9. Substitute tablets for Venlafaxine

What is Venlafaxine Tablet?

Venlafaxine is an oral medicine which is used to treat depression, anxiety, and panic attacks. Venlafaxine belongs to the class of drug known as serotonin-norepinephrine reuptake inhibitor (SNRI). It is also used as a second-line treatment of Obsessive-Compulsive Disorder (OCD) and prophylaxis of migraine headache.

Composition & Strength of Venlafaxine Tablet

Venlafaxine is available in 25 mg, 37.5mg, 50mg, 75mg and 100mg for oral use, in extended-release tablet and capsule dosage form.

How does Venlafaxine tablet work?

Venlafaxine is a serotonin-norepinephrine reuptake inhibitor (SNRI). In our brain, neurotransmitters have a major role in assisting communication between neurons. Serotonin and norepinephrine are the two neurotransmitters released by the nerves in the brain. If there is an imbalance in these neurotransmitters patient may experience depressions and psychiatric disorders. Venlafaxine acts by preventing the reuptake of these neurotransmitters by nerves and increase the effect of serotonin and norepinephrine.

Venlafaxine Tablet uses

Venlafaxine Tablet is used in patients suffering from the following conditions:

Major Depressive disorder (MDD):

It is a mood disorder in which a person feels depressed and has a loss of interest in activities.

Generalized Anxiety Disorder (GAD):

It is a common anxiety disorder which involves constant and chronic worrying about everyday life events. It may lead to nervousness and tension.

Social Anxiety Disorder (Social Phobia):

It is one of the most common mental disorder in which the patient feels nervous, and fear in any social activities. It may lead to irrational anxiety.

Common side effects of Venlafaxine tablet

  • Headache
  • Nausea
  • Vomiting
  • Hypertension
  • Muscle Weakness
  • Chest Pain
  • Sweating
  • Dry Mouth
  • Weight Loss

Venlafaxine Tablet Contraindications

Venlafaxine Tablet should not be used if you have the following conditions:

  • Hypersensitivity to any of the ingredient of venlafaxine tablet
  • Serotonin Syndrome
  • Kidney Disorder
  • Narrow-Angle Glaucoma
  • Thyroid Disorder
  • History of Seizures
  • Blood Clotting Disorder

Venlafaxine Precautions & How to Use

Before consuming Venlafaxine Tablet, tell your doctor about your current list of medications, and over the counter products (e.g. herbal supplements, vitamins, etc.). Patients should be monitored while undergoing treatment. Inform your doctors/pharmacist about changes in behavior because antidepressants increased the risk of suicidal thinking. Inform your doctor/pharmacist if you have any allergy from venlafaxine or any other related ingredients.

Venlafaxine should not be used if you are suffering from the following conditions:

  • Seizure disorder
  • Hypertension
  • Any history of Glaucoma

General warnings and Dosage about Venlafaxine


Taking more than prescribed may cause harmful side effects. The symptoms of overdose are muscles pain, coma, seizures, feeling hot and cold, and changes in the heartbeat. Consult your doctor or pharmacist if you find any side effects.

Missing dosage:

If you miss the dosage take as soon as possible. If it is near to the next dose, skip the missing dosage and continue the regular dosage. Do not take extra doses to make up for a missed dose.


Venlafaxine tablet is unsafe for a pregnant lady. Venlafaxine tablet is not known to cause any harm to the fetus, but should only be used after consultation with your doctor.


Some animal study showed that a small amount of Venlafaxine enters in milk. Before taking this medicine consult your doctor.

Substitute tablets for Venlafaxine

Venlafaxine is available under various brand names such as:

  • Dalium 25MG
  • Envelaf 75 MG
  • Flavix 37.5MG
  • Sentosa 75MG

If for some reason an experienced doctor is not available around you, then you can contact us here.


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