Effexor (Oral)

Questions | Reviews

Abruptly stopping Effexor and side effects

My 21 year old son has been taking Effexor for about 4 months and was taking 150 mg. a day for anxiety/depression. Six days ago, he decided to quit taking it and just stopped. He has been very dizzy and has slept a lot. Are there other side effects an...
by Sarah Hinton in Rocky Mount, North Carolina, 01/02/2006

I need to know what the ingredents are in this medication

I am having allergic reactions to non-active ingredients in prescription drugs. I am having a hard time getting this information for medications that are being prescribe for me. can you help me?   thank you for your help. dutchess
by dutchess in atlanta, ga, 06/26/2006

Effexor and pregnancy

I am currently taking effexor (37.5). I started to wean off of it because I am wanting to get pregnant. I have two children already and was very consciencious of the use of medication during pregnancy and even nursing. I stopped taking effexor for the...
by D.B in United states, 04/23/2007

Effexor (Oral) Drug and Prescription Information

Effexor (Oral)

Effexor (Oral) Medication Classification


Effexor (Oral) Brandname

Effexor-XR, Effexor

Effexor (Oral) is used for the Treatment

Venlafaxine (VEN-la-fax-een) Treats depression.

When To Not Use Effexor (Oral)

You should not use this medicine if you have had an allergic reaction to venlafaxine or if you have taken a medicine called an MAO inhibitor (Eldepryl®, Nardil®, Marplan®, Parnate®) in the past two weeks.

How Should You Use Effexor (Oral)

Tablet, Long Acting Capsule

  • Your doctor will tell you how much of this medicine to take and how often. Do not take more medicine or take it more often than your doctor tells you to.
  • It is best to take this medicine with food.
  • Take the extended-release capsules with food and a full glass of liquid. Swallow the capsule whole. Do not crush, chew, or open it.
  • It is best to take this medicine at the same time each day.
  • If a dose is missed:
  • If you miss a dose or forget to take your medicine, take it as soon as you can. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose.
  • Do not use extra medicine to make up for a missed dose.

Proper Effexor (Oral) Storage

Store Effexor (Oral) at room temperature away from sunlight and moisture unless otherwise stated by manufacturer's instructions or labelling. Keep Effexor (Oral) and all medications out of the reach of children.

What To Avoid While Using Effexor (Oral)

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Certain drugs should not be used while using venlafaxine. Using these drugs can cause very serious medical problems, or even death.
  • Do not drink alcohol while you are using this medicine.

Effexor (Oral) Warnings

  • Make sure your doctor knows if you are pregnant or breast feeding, or if you have liver disease, kidney disease, or seizures.
  • This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
  • Your doctor will need to check your blood pressure at regular visits while you are using this medicine. Be sure to keep all appointments.

Effexor (Oral) Side Effects

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing.
  • Loss of appetite causing weight loss
  • Seizures
  • Unusual behavior
  • If you notice these less serious side effects, talk with your doctor:
  • Blurred vision
  • Constipation, dry mouth, or sweating
  • Drowsiness, tiredness dizziness
  • Nausea or vomiting
  • Sexual problems in men (abnormal ejaculation)
  • Trouble sleeping

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