This medicine contains the active ingredient venlafaxine which belongs to a group of medicines called antidepressants. Medicines like venlafaxine which are Serotonin and Norepinephrine Reuptake Inhibitors (SNRIs) help the brain cells to produce higher amount of a chemicals serotonin and norepinephrine which make us feel happy and satisfied. Venlafaxine is prescribed for the treatment of depression and general anxiety disorders (constant fear and worry).
Is Venlafaxine suitable for me?
Venlafaxine is not suitable for everyone. Do not use it
- if you are allergic to venlafaxine or other ingredients of this medicine
- if you are taking monoamine oxidase inhibitors (MAOIs)
In particular, you must tell the doctor if you:
- have liver or kidney disease
- have diabetes
- have epilepsy or other fits
- have a history of high blood pressure
- have a bleeding disorder
- have high cholesterol
- have mania or schizophrenia
- have low sodium level in your blood
- have an eye problem called glaucoma
- have heart problems
- have irregular heartbeat
- are pregnant, trying to get pregnant or breastfeeding
Venlafaxine interacts with other medicines. It is most important that you tell the doctor all the medications and herbal supplements that you are currently taking.
See the package leaflet for a complete list of possible contraindications and warnings.
How should I take Venlafaxine?
This medicine is available in form of a tablet.
You should take venlafaxine exactly as instructed by your doctor or pharmacist.
- The usual starting dose is 75 mg per day in divided doses, taken 2 or 3 times a day.
- The maximum dose is 375 mg per day.
Do not use more of it, do not use it more often, or do not use it for a longer time than your doctor instructed. Also, this medicine works best if there is a constant amount in the blood. To help keep this amount constant, do not miss any doses and take the medicine at the same time each day. Do not take two doses together if you miss a dose.
Read the information leaflet provided with your medication for additional information. Talk to your doctor if you have any additional questions.
What are Venlafaxine side effects?
Like all medicines venlafaxine can cause side effects, including:
- dry mouth
- loss of appetite
- decreased libido
- nervousness, insomnia, abnormal dreams
- drowsiness, tremor
- increased muscle tonus
- blurred vision, dilated pupils
- ringing in the ears
- increase in blood pressure
- constipation, diarrhea
- increased frequency in urination
- difficulties passing urine
- menstrual irregularities
- abnormal ejaculation/orgasm
- weakness, fatigue
- increased cholesterol
Consult a doctor if the side effects are severe. See the package leaflet for a complete list of side effects.