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Topic: Venlafaxine


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In the News (Sun 29 Nov 09)

  
  MedlinePlus Drug Information: Venlafaxine
Venlafaxine extended-release (long-acting) capsules are also used to treat generalized anxiety disorder (excessive worrying that is difficult to control), social anxiety disorder (extreme fear of interacting with others or performing in front of others that interferes with normal life), and panic disorder (sudden, unexpected attacks of extreme fear and worry about these attacks).
Venlafaxine is in a class of medications called selective serotonin and norepinephrine reuptake inhibitors (SNRIs).
Venlafaxine is also sometimes used to treat hot flashes (hot flushes; sudden strong feelings of heat and sweating) in women who have experienced menopause ('change of life'; the end of monthly menstrual periods) or who are taking medication to treat breast cancer.
www.nlm.nih.gov /medlineplus/druginfo/medmaster/a694020.html   (1769 words)

  
 VENLAFAXINE
Venlafaxine, a phenylethylamine bicyclic antidepressant, is a serotonin and noradrenaline reuptake inhibitor.
Out of 14 reported cases of venlafaxine acute overdoses two patients were reported to have developed a mild sinus tachycardia and a third patient was reported to have a prolongation of QTc to 500 msec, compared with 405 msec at baseline (Prod Info Effexor(R), 2000).
It is postulated that venlafaxine, a cytochrome P450 inhibitor, may inhibit the metabolism of desipramine, causing an increase in the serum concentration of desipramine and resulting in the anticholinergic syndrome (Benazzi, 1998).
www.antidepressantsfacts.com /effexor.htm   (3288 words)

  
 Venlafaxine (Effexor) FAQ
Is venlafaxine a satisfactory antidepressant for the elderly?
Venlafaxine (Effexor) is a new antidepressant with a novel chemical structure.
Venlafaxine seems to have the relative freedom from side-effects associated with the SSRIs [fluoxetine (Prozac), sertraline (Zoloft), paroxetine (Paxil), and fluvoxamine (Luvox)] and the impact on both serotonin and norepinephrine associated with the tricyclic antidepressants [amitriptyline (Elavil), imipramine (Tofranil), etc.].
www.dr-bob.org /tips/venlafaxine.html   (1163 words)

  
 INFRAPSYCH - ANTIDEPRESSANT: VENLAFAXINE
Venlafaxine is mainly indicated for the treatment of Major Depression but is also effective in treating Obsessional conditions, Panic Disorder, and other Anxiety disorders.
Venlafaxine should be taken for at least 6 weeks with the dose increased to a maximum (side effects permitting) before you or your doctor decide that venlafaxine is ineffective.
If venlafaxine is to be combined or switched with a TCA, the inhibition of the CYP450 2D6 by venlafaxine means that the metabolism of the TCA will also be inhibited, leading to an increase in TCA levels.
www.infrapsych.com /root/1033/Medication/Medication_Venlafaxine.htm   (2677 words)

  
 Venlafaxine (Effexor) Antidepressant Medication - Detailed Information
Venlafaxine hydrochloride is a white to off-white crystalline solid with a solubility of 572 mg/mL in water (adjusted to ionic strength of 0.2 M with sodium chloride).
When equal daily doses of venlafaxine were administered as either an immediate release tablet or the extended-release capsule, the exposure to both venlafaxine and ODV was similar for the two treatments, and the fluctuation in plasma concentrations was slightly lower with the Effexor XR capsule.
Venlafaxine was also not mutagenic or clastogenic in the in vitro BALB/c-3T3 mouse cell transformation assay, the sister chromatid exchange assay in cultured Chinese hamster ovary cells, or in the in vivo chromosomal aberration assay in rat bone marrow.
www.realmentalhealth.com /medications/effexor.asp   (12384 words)

  
 Column - Two in One: The Venlafaxine Story
The adverse effect profile of venlafaxine at a dose of 75 mg/day is comparable to that of an SSRI, which is consistent with the fact that its highest binding affinity is for the serotonin uptake pump.
At a dose of 375 mg/day, the average concentration of venlafaxine and desmethylvenlafaxine is 528 ng/ml and the magnitude of serotonin uptake inhibition is 95%.
For example, as a result of venlafaxine's effects on both serotonin and norepinephrine uptake, the patient who is taking a high dose of venlafaxine is at risk for both the serotonin syndrome and a hypertensive crisis, when venlafaxine is used in combination with monoamine oxidase inhibitors.
www.preskorn.com /columns/9911.html   (2741 words)

  
 Focus on Venlafaxine
Is venlafaxine a satisfactory antidepressant for the elderly?
Venlafaxine (venlafaxine) is a new antidepressant with a novel chemical structure.
Venlafaxine seems to have the relative freedom from side-effects associated with the SSRIs [fluoxetine, sertraline, paroxetine, fluvoxamine ] and the impact on both the serotonin and norepinephrine associated with the tricyclic antidepres- sants (amitriptyline, imipramine etc.).
www.priory.com /focus1.htm   (1034 words)

  
 TREATMENTS FOR DEPRESSION - VENLAFAXINE
It may take as long as two weeks before venlafaxine starts to have any effect on your mood, and a further three or four weeks for this effect to be reaching its maximum, especially if you are older.
Venlafaxine is not addictive, but if you have taken it for eight weeks or more you may experience some mild "discontinuation" effects if you stop them suddenly.
Venlafaxine is classified as "C", and the manufacturers Wyeth recommend it should not be taken in pregnancy.
www.nmhct.nhs.uk /pharmacy/depr6.htm   (2338 words)

  
 Venlafaxine at AllExperts
Venlafaxine can raise blood pressure at high doses, so it is usually not the drug of choice for persons with high blood pressure.
Venlafaxine is sometimes used for the treatment of depressive phases of bipolar disorder.
Venlafaxine may cause potentially severe withdrawal symptoms upon sudden discontinuation (the recommended discontinuation is a drop of 37.5 mg per week; sudden stops are usually advised only in emergencies).
en.allexperts.com /e/v/ve/venlafaxine.htm   (1222 words)

  
 venlafaxine (Effexor) - drug class, medical uses, medication side effects, and drug interactions by MedicineNet.com
Venlafaxine is believed to work by inhibiting the release or affecting the action of these neurotransmittersVenlafaxine is available in an extended release formulation (Effexor XR).
PRESCRIBED FOR: Venlafaxine is prescribed for the treatment of depression, depression with associated symptoms of anxiety, generalized anxiety disorder, and social anxiety disorder.
MAO inhibitors and venlafaxine should not be taken together, and a waiting period of 14 days between taking these two classes of medications is strongly advised.
www.medicinenet.com /venlafaxine/article.htm   (614 words)

  
 Thomas More
Venlafaxine and after stopping treatment then for 4 months.
Venlafaxine monotherapy in women who have recently been decreased libido.
Venlafaxine and drugs that can cause nausea moodiness etc. I sodium chloride.
www.thomasmore.edu /about/news.cfm?news_id=2495   (259 words)

  
 Venlafaxine - Patient UK
It may take up to four weeks for the full effect of venlafaxine to develop, although some changes are often seen earlier than this.
Venlafaxine is used to treat depression it is available in tablet form.
If you have been supplied with the modified release form of venlafaxine, it should be swallowed whole, not crushed or chewed, with a glass of water.
www.patient.co.uk /showdoc/30003528   (982 words)

  
 ACS :: Cancer Drug Guide: venlafaxine hydrochloride
Venlafaxine hydrochloride belongs to the general class of antidepressant drugs.
Venlafaxine hydrochloride works by increasing the amount of serotonin and norepinephrine in the brain, so that the feeling of depression is prevented or relieved.
Venlafaxine hydrochloride is taken as a pill by mouth.
www.cancer.org /docroot/CDG/content/CDG_venlafaxine_hydrochloride.asp   (551 words)

  
 Venlafaxine
Venlafaxine is a drug used to treat depression.
Venlafaxine, a potent serotonin reuptake inhibitor, has been associated with several cases of serotonin syndrome.
Serotonin syndrome induced by venlafaxine and fluoxetine: a case study in polypharmacy and potential pharmacodynamic and pharmacokinetic mechanisms.
www.gianteagle.com /healthnotes/Drug/Venlafaxine.htm   (520 words)

  
 Erowid Venlafaxine (Effexor) Vault: Basics
Venlafaxine is indicated in the treatment of depression and generalized anxiety disorder.
Following oral administration, approx 92% of venlafaxine is absorbed (Regardless of it being an immediate release or extended release form).
Venlafaxine can cause anxiety, dizziness and insomnia (which is paradoxical to its anxiolytic effect).
www.erowid.org /pharms/venlafaxine/venlafaxine_basics.shtml   (446 words)

  
 Venlafaxine, Effexor Pharmacology - HealthyPlace.com   (Site not responding. Last check: )
Venlafaxine HCl is contraindicated in patients known to be hypersensitive to it.
Discontinuing Venlafaxine: When venlafaxine therapy that has been administered for more than 1 week is stopped, it is generally recommended that the dose be tapered gradually to minimize the risk of discontinuation symptoms.
venlafaxine hydrochloride equivalent to 25 mg, 37.5 mg, 50 mg, 75 mg, or 100 mg venlafaxine.
www.concernedcounseling.com /medications/venlafaxine.htm   (1837 words)

  
 Venlafaxine(Systemic) - [Medication]   (Site not responding. Last check: )
However, when pregnant rats were given venlafaxine in doses much larger than the usual human dose, some of their pups died before or soon after birth.
Venlafaxine should be taken with food or on a full stomach to lessen the chance of stomach upset.
Venlafaxine may cause some people to be agitated, irritable or display other abnormal behaviors.
www.luhs.org /HEALTH/kbase/htm/mdx-/drde/2027/64/mdx-drde202764.htm   (1908 words)

  
 Venlafaxine - Wikipedia, the free encyclopedia
As of August 2006, generic venlafaxine is available in the United States, and as of December 2006, generic venlafaxine is available in Canada.
Venlafaxine is perhaps one of the most likely of all modern antidepressants to trigger manic and hypomanic states.
Venlafaxine is sometimes prescribed in 37.5 mg per day dosages in patients with anxiety.
en.wikipedia.org /wiki/Venlafaxine   (2797 words)

  
 9425VFX
Venlafaxine and Venlafaxine XR This Wyeth-Ayerst sponsored study included measurements of withdrawal reactions in 127 patients treated with VFX but did not report them.
Venlafaxine XR Twenty adult outpatients were randomly assigned to receive either an extended-release formulation of VFX or placebo.
Venlafaxine XR Report of a manufacturer-sponsored, randomised, double-blind, placebo-controlled, multicentre evaluation of venlafaxine (extended release version) versus placebo.
www.socialaudit.org.uk /9425vfx.htm   (1665 words)

  
 Drug Profiles: venlafaxine HCl EffexorÆ, Effexor XRÆ
Venlafaxine is used to relieve symptoms of depression such as feelings of sadness, worthlessness, or guilt; loss of interest in daily activities; changes in appetite; tiredness; sleeping too much; insomnia; and thoughts of death or suicide.
Venlafaxine is also used to relieve symptoms of generalized anxiety disorder.
Venlafaxine is in the FDA pregnancy category C. This means that it is not known whether venlafaxine will harm an unborn baby.
www.migraines.org /treatment/proeffxr.htm   (1534 words)

  
 Venlafaxine   (Site not responding. Last check: )
Is venlafaxine safe for a woman who is pregnant, about to become pregnant...
Venlafaxine hydrochloride is a prescription antidepressant first introduced by...
Clarifies the medication venlafaxine (Effexor) a drug prescribed for the treatment of depression, depression with associated symptoms of anxiety,...
hometown.aol.com /coolspb24/venlafaxine.html   (511 words)

  
 National MS Society | Effexor (Venlafaxine)   (Site not responding. Last check: )
Venlafaxine is used to treat mental depression and certain types of anxiety.
Venlafaxine may cause dizziness, lightheadedness, or fainting, especially when you stand from a sitting or lying position.
However, studies in animals have shown that venlafaxine may cause decreased survival rates of offspring when given in doses that are many times the usual dose for humans.
www.nationalmssociety.org /Meds-Venlafaxine.asp   (563 words)

  
 Venlafaxine (Systemic)
Venlafaxine must be used with caution in children with depression.
If you are taking the tablet form of venlafaxine and you miss a dose, take it as soon as possible.
If you are taking the extended-release capsule form of venlafaxine and you miss a dose, take it as soon as possible.
allnutritionals.com /drugs/v/venlafaxine-systemic.shtml   (1838 words)

  
 Venlafaxine Drug Information
Clozapine (e.g., Clozaril)-Taking venlafaxine with clozapine may increase amounts of clozapine in the body which could cause serious unwanted effects including seizures.
Moclobemide (e.g., Manerex)-Taking moclobemide and venlafaxine together or less than 3 days apart may increase the chance of developing serious unwanted effects, including the serotonin syndrome, and is not recommended
Cirrhosis of the liver-Higher blood levels of venlafaxine may occur, increasing the chance of side effects; your doctor may need to adjust your venlafaxine dose.
www.drugs.com /cons/Venlafaxine.html   (2262 words)

  
 Venlafaxine - Drugs & Vitamins - Drug Library - DrugDigest
VENLAFAXINE (Effexor®;) is an antidepressant, a medicine that helps to lift mental depression.
Venlafaxine can help patients whose depression has not responded to other medications.
Venlafaxine is also effective for the treatment of anxiety or other nervous conditions.
www.drugdigest.org /DD/DVH/Uses/0,3915,700|Venlafaxine,00.html   (790 words)

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