Table of Contents > Drug > Venlafaxine Print

Venlafaxine

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Notes
Related terms
Uses
Dosing
Safety
Author information

Notes

    Related terms
    • Brand Names: U.S.: Effexor XR®;Effexor®
    • Brand Names: Canada: CO Venlafaxine XR;Effexor XR®;Mylan-Venlafaxine XR;PMS-Venlafaxine XR;ratio-Venlafaxine XR;Riva-Venlafaxine XR;Sandoz-Venlafaxine XR;Teva-Venlafaxine XR;Venlafaxine XR
    • Mexican Brand Names: Efexor XR
    • Pharmacologic Category: Antidepressant, Serotonin/Norepinephrine Reuptake Inhibitor

    Uses
    • It is used to treat low mood (depression).
    • It is used to treat anxiety.
    • It is used to treat social anxiety problems.
    • It is used to treat panic attacks.
    • It is used to treat obsessive-compulsive problems.
    • It is used to treat post-traumatic stress.
    • It is used to treat hot flashes.
    • It is used to ease long-term pain problems.
    • It is used to help diabetic nerve pain.
    • Venlafaxine raises chemicals in the brain.
    • With low mood (depression), sleep and eating habits may get better fast. Other signs may take up to 4 to 6 weeks to get better.

    Dosing

    How to take

    • To gain the most benefit, do not miss doses.
    • Take with food to stop an upset stomach.
    • Long-acting products: Swallow whole. Do not chew, break, or crush.
    • You may sprinkle contents of long-acting product on spoonful of applesauce. Do not chew.

    Missed Dose

    • Take a missed dose as soon as you think about it.
    • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
    • Do not take 2 doses at the same time or extra doses.
    • Do not change the dose or stop this drug. Talk with the doctor.

    Storage

    • Store at room temperature.
    • Protect from light.
    • Protect from water. Do not store in a bathroom or kitchen.

    Safety



    Warnings

    • The want to harm yourself is an unsafe sign of low mood (depression). It may last until your low mood is fully treated. If you are planning on harming yourself, call the ER (emergency department) right away.
    • There is a chance of serotonin syndrome when using a migraine drug with this drug. The syndrome is caused by too much serotonin in the body. Signs include agitation, changes in blood pressure, loose stools, a fast heartbeat, hallucinations, upset stomach and throwing up, change in balance, and change in thinking clearly and with logic. Talk with the doctor.
    • Unsafe side effects may happen. This drug cannot be taken while you are taking some other drugs. Check all the drugs you are taking with your doctor.
    • Please read the medication guide.

    Avoid

    • If you have an allergy to venlafaxine or any other part of this drug.
    • Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
    • If you have taken isocarboxazid, phenelzine, or tranylcypromine in the last 14 days. Monoamine oxidase inhibitors (eg, isocarboxazid, phenelzine, and tranylcypromine) must be stopped 14 days before this drug is started. Taking both at the same time could cause risky high blood pressure.

    Precautions

    • If you have been taking this drug for many weeks, talk with your doctor before stopping. You may want to slowly stop this drug.
    • If you have glaucoma, talk with your doctor.
    • If you have high blood pressure, talk with your doctor.
    • If you have kidney disease, talk with your doctor.
    • If you have liver disease, talk with your doctor.
    • If you have seizures, talk with your doctor.
    • Have your eye pressure checked. Talk with your doctor.
    • Check all drugs you are taking with your doctor. This drug may not mix well with some other drugs.
    • You may not be alert. Avoid driving and doing other tasks or actions until you see how this drug affects you.
    • Avoid beer, wine, mixed drinks, or other drugs and natural products that slow your actions.
    • Avoid grapefruit and grapefruit juice.
    • Talk with your doctor before using other aspirin, products that have aspirin, blood thinners, garlic, ginseng, ginkgo, ibuprofen or like products, pain drugs, or vitamin E.
    • Tell your doctor if you are pregnant or plan on getting pregnant.
    • Tell your doctor if you are breast-feeding.

    Side Effects

    • Feeling lightheaded, sleepy, having blurred eyesight, or a change in thinking clearly. Avoid driving and doing other tasks or actions that call for you to be alert or have clear eyesight until you see how this drug affects you.
    • Nervous and excitable.
    • Upset stomach or throwing up. Many small meals, good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
    • Hard stools (constipation). Drinking more liquids, working out, or adding fiber to your diet may help. Talk with your doctor about a stool softener or laxative.
    • Dry mouth. Good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help. See a dentist often.
    • Change in sex ability. This most often goes back to normal.
    • Not able to sleep.

    Contact a healthcare provider

    • If you think there was an overdose, call your local poison control center or ER right away.
    • Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat.
    • If you are planning to harm yourself or the want to harm yourself gets worse.
    • Trouble breathing.
    • Chest pain or pressure.
    • Change in thinking clearly and with logic.
    • Big change in balance.
    • Agitation, twitching, sweating, or muscle stiffness.
    • A fast heartbeat.
    • Very upset stomach or throwing up.
    • Any bruising or bleeding.
    • Feeling very tired or weak.
    • Any rash.
    • Health problem is not better or you are feeling worse.

    General Statements

    • If you have a very bad allergy, wear an allergy ID at all times.
    • Do not share your drugs with others and do not take anyone else's drugs.
    • Keep all drugs out of the reach of children and pets.
    • Most drugs may be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada, take any unused drugs to the pharmacy. Also, visit http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/disposal-defaire-eng.php#th to learn about the right way to get rid of unused drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Call your doctor for help with any side effects. If in the U.S., you may also call the FDA at 1-800-FDA-1088 or if in Canada, you may also call Health Canada's Vigilance Program at 1-866-234-2345.
    • Talk with the doctor before starting any new drug, including OTC, natural products, or vitamins.

    Author information
    • Copyright © 1978-2010 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (www.naturalstandard.com)


    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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