Effexor is used to treat major depressive disorder, anxiety and panic disorder.
Effexor may also be prescribed for purposes not listed in this medication guide.
Before you take Effexor...
You should not take Effexor if you have uncontrolled narrow-angle glaucoma, or if you are being treated with methylene blue injection.
Do not use Effexor within 7 days before or 14 days after you have used a MAO inhibitor.
Some young people have thoughts about suicide when first taking an antidepressant. Stay alert to changes in your mood or symptoms. Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), more depressed, or have thoughts about suicide or hurting yourself.
Dosages of Effexor varies by patient. Use Effexor exactly as prescribed by your doctor and/or the directions on your prescription label.
Effexor should be taken with food. Try to take this medicine at the same time each day.
Do not crush, chew, break, or open an extended-release capsule. Swallow the capsule whole.
To make the extended-release Effexor XR capsule easier to swallow, you may open the capsule and sprinkle the medicine into a small amount of applesauce. Swallow all of the mixture without chewing, and do not save any for later use.
It may take several weeks before your symptoms improve. Keep using the medication as directed. Do not stop using Effexor without first talking to your doctor. You may have unpleasant side effects if you stop taking this medicine suddenly.
This medicine can cause you to have a false positive drug screening test. If you provide a urine sample for drug screening, tell the laboratory staff that you are taking Effexor.
Avoid the use of alcohol when taking Effexor.
If you miss a dose of Effexor, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
If you suspect you may have overdosed on Effexor, or are having an allergic reaction the medication, seek medical attention immediately.
Side effects include:
-nausea, vomiting, diarrhea
-changes in appetite or weight
-dry mouth, yawning
-dizziness, headache, anxiety, feeling nervous
-fast heartbeats, tremors or shaking
-sleep problems (insomnia), strange dreams, tired feeling
-decreased sex drive, impotence, or difficulty having an orgasm
Serious side effects include:
-blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights
-easy bruising or bleeding (nosebleeds, bleeding gums), blood in your urine or stools,
coughing up blood
-cough, chest tightness, trouble breathing;
a seizure (convulsions)
-low levels of sodium in the body (headache confusion, slurred speech, severe weakness, vomiting, hallucinations, feeling unsteady, slow breathing)
-severe nervous system reaction – (very stiff muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, feeling like you might pass out)
Seek medical attention right away if you have symptoms of serotonin syndrome, such as: agitation, hallucinations, fever, sweating, shivering, fast heart rate, muscle stiffness, twitching, loss of coordination, nausea, vomiting, or diarrhea.
This is not a complete list of all side effects. If you experience serious side effects, contact a doctor or your nearest hospital immediately.
There are drugs that interact with Effexor. You should tell your doctor about all of the medications you use, including prescription drugs, vitamins, supplements and herbal products, and over the counter medications. You should always tell your doctor before you start taking new medication.