Effexor xr - Antidepressants may increase risk of suicidal thinking and behavior (suicidality) in children, adolescents, and young adults (18–24 years of age) with major depressive disorder and other psychiatric disorders; balance this risk with clinical need. Venlafaxine is not approved for use in pediatric patients. (See Pediatric Use under Cautions.)

 
Effexor is not the sole contributor to weight gain. Many other factors can influence a person’s weight. However, it is possible to curb weight gain and maintain a healthy diet while remaining on medication. Eating excessively without increasing physical activity will likely increase the risk of weight gain while taking Effexor.. Interstelar 2 operation terra 2040

Aug 1, 2023 · For oral dosage forms (extended-release capsules, extended-release tablets): For depression: Adults—At first, 75 milligrams (mg) per day, taken as one dose in the morning or evening. Some patients may need a starting dose of 37.5 mg per day, taken for 4 to 7 days. Your doctor may adjust your dose as needed and tolerated. Loss of libido (sex drive) was a common side effect in males* and females* taking Effexor XR. Other sexual side effects in males may include: abnormal ejaculation. erectile dysfunction (inability ...Aug 31, 2018 · Anxiety. Bipolar depression. Chronic muscle or joint pain. Diabetic neuropathy. Fibromyalgia. Low back pain or osteoarthritis pain. Panic disorder. Social phobia. Some reduction in symptoms may be noticed within one to two weeks; however, it may take six to eight weeks of treatment before the full effects are seen. Severe symptoms of Effexor withdrawal that may require immediate medical attention include: 1. Suicidal thoughts: Effexor withdrawal can increase the risk of suicidal ideation or action. Constant headaches: Effexor withdrawal can lead to continuous and persistent headaches that can grow intense over time.Buy effexor online quick and easy and live a happier and healthier life. We are a leading online pharmacy and one of the best places to buy effexor online. It is very easy to buy effexor online at our website by filling up an order form and providing your prescription details.Sep 19, 2022 · Two 6-month studies, one evaluating Effexor XR doses of 37.5, 75, and 150 mg per day (study 3) and the other evaluating Effexor XR doses of 75 to 225 mg per day (study 4), showed that daily doses of 75 mg or higher were more effective than placebo on the HAM-A total, both the HAM-A anxiety and tension items, and the CGI scale during 6 months of ... May 4, 2022 · Effexor XR (Venlafaxine HCl): Uses, Dosage, Side Effects, and More Effexor XR (venlafaxine HCl) is a medication used to treat a variety of anxiety disorders like generalized anxiety disorder, panic disorder, and social phobia, as well as clinical depression (also referred to as major depressive disorder or MDD). Oct 12, 2011 · The tramadol affects the mu opoid receptors in the brain while the Effexor does not. While the tramadol does have antidepressant properties by affecting the two neurotransmitters mentioned, it is not meant to treat depression like the Effexor is. If the goal is pain control, the tramadol is recommended while if the goal is depression control ... Oct 13, 2013 · Improvement in these physical symptoms can be an important early signal that the medication is working. Depressed mood, anxiety, and lack of interest in activities may need up to 6-8 weeks to fully improve." Venlafaxine (Effexor) | NAMI: National Alliance on Mental Illness. +0. Tell all of your health care providers and lab workers that you take Effexor XR (venlafaxine extended-release capsules). You may see parts of Effexor XR (venlafaxine extended-release capsules) in your stool. This is normal and not a cause for concern. If you are 65 or older, use Effexor XR (venlafaxine extended-release capsules) with care.Venlafaxine. Venlafaxine, sold under the brand name Effexor among others, is an antidepressant medication of the serotonin-norepinephrine reuptake inhibitor (SNRI) class. [5] [8] It is used to treat major depressive disorder, generalized anxiety disorder, panic disorder, and social anxiety disorder. [8] Studies have shown that Venlafaxine ...Effexor is an antidepressant that may cause a discontinuation syndrome if abruptly stopped after long-term administration. 5. Tips. Take Effexor with food. Swallow Effexor XR capsules whole; do not break, crush, chew or attempt to dissolve in water.Oct 13, 2013 · Improvement in these physical symptoms can be an important early signal that the medication is working. Depressed mood, anxiety, and lack of interest in activities may need up to 6-8 weeks to fully improve." Venlafaxine (Effexor) | NAMI: National Alliance on Mental Illness. +0. Apr 3, 2016 · CH. chuck1957 6 April 2016. Vanilla; Really this is very common when you first start this type of medication, And the first 1 to 2 weeks is the hardest time with this mediction and it does increase the symptoms that it is made to help. Also after this time slowly these medications effects go away and you start to feel better as the time goes on. What Is Venlafaxine (Effexor, Effexor XR) and How Does It Work? Venlafaxine is used to treat depression, anxiety, panic attacks, and social anxiety disorder ( social phobia ). It may improve your mood and energy level and may help restore your interest in daily living. EFFEXOR XR may cause serious side effects, including: Increased risk of suicidal thoughts and actions: EFFEXOR XR may increase suicidal thoughts and actions in some children, adolescents, and young adults, especially within the first few months of treatment or when the dose is changed.I started on Effexor xr 37.5mg for depression about a month ago and noticed a slight decrease in sex drive and it was extremely hard to orgasm. In two more weeks the Doc upped my dose to 75mg and gradually over the next few days my sex drive increased. Now after 3 weeks on the 75mg my sex drive has surpassed my normal non-drugged sex drive.Instead, Effexor is currently available in extended-release form under the brand name Effexor XR. Effexor is also available in generic form as venlafaxine. This version of the medication is sold in several forms under a variety of brand names. Generic venlafaxine and Effexor XR are prescribed to treat major depressive disorder (MDD, or ...Effexor XR Brand Names: Canada ACT Venlafaxine XR; APO-Venlafaxine XR; Auro-Venlafaxine XR; Effexor XR; M-Venlafaxine XR; PMS-Venlafaxine XR; PMSC-Venlafaxine XR; RIVA-Venlafaxine XR [DSC]; SANDOZ Venlafaxine XR; TARO-Venlafaxine XR; TEVA-Venlafaxine XR; Venlafaxine XR Warning Drugs like this one have raised the chance of suicidal thoughts or Worked well for depression but caused me to gain lots of weight. Eventually stopped working. Takes forever to gets off. Even while weaning down by 1/4 every 2 weeks, lots of nausea, diarrhea, brain zaps, tears, headaches, sleep disturbances, and general major physical discomfort. Am on 37.5 now (last taper) and honestly just hate it so much, my ...May 22, 2019 · Effexor XR, the more popularly prescribed type of Effexor, is covered by most insurance and Medicare prescription plans. The generic version will have a lower copay, and the brand name may have a higher copay or may not be covered. I too began having seizures after being prescribed Effexor XR, along with other medications. The psychiatrist attributed my seizures to anything but the prescribed drugs. I was misdiagnosed as having epilepsy by a neurologist who claimed to not know the specific causation of my seizures. Lexapro (escitalopram) and Effexor (venlafaxine) are antidepressants used for treatment of major depression. Lexapro is also used to treat anxiety in adults. Lexapro belongs to the drug class selective serotonin reuptake inhibitors (SSRIs) while Effexor is a selective serotonin and norepinephrine reuptake inhibitor (SSNRI). Learn about dosage and side effects. In many cases, Effexor may not adequately treat symptoms. 18 Effexor (venlafaxine) has a very short half-life, approximately 5 hours. 19 This means a late or missed dose can cause grievous problems, resulting in time lost at work, injuries and accidents, and other negative consequences. 20 As mentioned above, serious harm to health can occur ...75mg (Effexor XR, generic) 150mg (Effexor XR, generic) tablet, extended-release (besylate salt) 112.5 mg (Venbysi XR) Major Depressive Disorder. Sep 23, 2022 · Some dosage forms listed on this page may not apply to the brand name Effexor XR. Summary Common side effects of Effexor XR include: anorgasmia, asthenia, constipation, dizziness, drowsiness, headache, insomnia, nausea, nervousness, anorexia, decreased appetite, delayed ejaculation, diaphoresis, and xerostomia. Effexor XR can cause side effects that range from mild to serious. Examples include weight changes, sweating, and high blood pressure. Effexor XR is used in adults to treat: major depressive ...For Depression "I have been on effexor xr for about 8 years now, I currently am taking 300 mg per day, I tried to commit suicide several times before going on effexor, I had been on so many different antidepressants I thought this was how my life was always going to be my children slowly watching me sleep and then eventually die. The doctor put ...Apr 21, 2022 · Instead, Effexor is currently available in extended-release form under the brand name Effexor XR. Effexor is also available in generic form as venlafaxine. This version of the medication is sold in several forms under a variety of brand names. Generic venlafaxine and Effexor XR are prescribed to treat major depressive disorder (MDD, or ... Effexor XR (venlafaxine) is a prescription drug that’s used to treat depression and anxiety. The drug comes as a capsule that you swallow. It’s usually taken once per day. Effexor XR is used in...Find patient medical information for Effexor oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.What is the most important information I should know about EFFEXOR XR? EFFEXOR XR may cause serious side effects, including:. Increased risk of suicidal thoughts and actions: EFFEXOR XR may increase suicidal thoughts and actions in some children, adolescents, and young adults, especially within the first few months of treatment or when the dose is changed.Effexor XR is indicated for the treatment of Social Anxiety Disorder (SAD), also known as social phobia. Efficacy was established in four 12-week and one 26-week, placebo-controlled trials. 1.4 Panic Disorder . Effexor XR is indicated for the treatment of Panic Disorder (PD), with or without agoraphobia. EfficacySome dosage forms listed on this page may not apply to the brand name Effexor XR. Summary Common side effects of Effexor XR include: anorgasmia, asthenia, constipation, dizziness, drowsiness, headache, insomnia, nausea, nervousness, anorexia, decreased appetite, delayed ejaculation, diaphoresis, and xerostomia.Mar 14, 2023 · Effexor XR can cause side effects that range from mild to serious. Examples include weight changes, sweating, and high blood pressure. Effexor XR is used in adults to treat: major depressive ... Lexapro (escitalopram) and Effexor (venlafaxine) are antidepressants used for treatment of major depression. Lexapro is also used to treat anxiety in adults. Lexapro belongs to the drug class selective serotonin reuptake inhibitors (SSRIs) while Effexor is a selective serotonin and norepinephrine reuptake inhibitor (SSNRI). Learn about dosage and side effects. Effexor XR for Depression User Reviews. Effexor XR has an average rating of 6.5 out of 10 from a total of 337 reviews for the treatment of Depression. 55% of reviewers reported a positive experience, while 28% reported a negative experience. Filter by condition.75mg (Effexor XR, generic) 150mg (Effexor XR, generic) tablet, extended-release (besylate salt) 112.5 mg (Venbysi XR) Major Depressive Disorder. Effexor is an antidepressant used to treat the symptoms of major depressive disorder. The interaction between this and alcohol can be dangerous to one’s health, possibly resulting in far-reaching health implications, addictive effects, and sudden death. Therefore, it is highly advised against mixing these two substances. Always consult your doctor toEffexor XR is indicated for the treatment of Social Anxiety Disorder (SAD), also known as social phobia. Efficacy was established in four 12-week and one 26-week, placebo-controlled trials. 1.4 Panic Disorder . Effexor XR is indicated for the treatment of Panic Disorder (PD), with or without agoraphobia. EfficacyJan 23, 2023 · Effexor is an antidepressant used to treat the symptoms of major depressive disorder. The interaction between this and alcohol can be dangerous to one’s health, possibly resulting in far-reaching health implications, addictive effects, and sudden death. Therefore, it is highly advised against mixing these two substances. Always consult your doctor to Brand names for venlafaxine include Effexor XR. The cost for venlafaxine oral capsule, extended release 75 mg is around $22 for a supply of 30 capsules, depending on the pharmacy you visit. Quoted prices are for cash-paying customers and are not valid with insurance plans. May 7, 2021 · Effexor XR comes in oral capsules with strengths of 37.5 mg, 75 mg, and 150 mg. Dosing may vary depending on the condition being treated. However, Effexor XR is usually taken once daily with a target daily dose of 75 mg and a maximum daily dose of 225 mg. Like Cymbalta, Effexor is metabolized in the liver and has a total half-life of up to 11 ... Aug 31, 2018 · Anxiety. Bipolar depression. Chronic muscle or joint pain. Diabetic neuropathy. Fibromyalgia. Low back pain or osteoarthritis pain. Panic disorder. Social phobia. Some reduction in symptoms may be noticed within one to two weeks; however, it may take six to eight weeks of treatment before the full effects are seen. Effexor; Effexor-XR; Descriptions. Venlafaxine is used to treat depression. It is also used to treat general anxiety disorder, social anxiety disorder, and panic disorder. Venlafaxine belongs to a group of medicines known as serotonin and norepinephrine reuptake inhibitors (SNRI).I started taking effexor xr 150mg in the year 2000. It's now Sept, 2016 and am on the same meds and recently was elevated to 225 mg. I suffer from depression, and have been diagnosed as having bi polar disorder. I now am getting severe "brain zaps" every day, migraines and severe dizzy spells.Instead, Effexor is currently available in extended-release form under the brand name Effexor XR. Effexor is also available in generic form as venlafaxine. This version of the medication is sold in several forms under a variety of brand names. Generic venlafaxine and Effexor XR are prescribed to treat major depressive disorder (MDD, or ...I never had anxiety, insomnia, akathisia, irritability and rage UNTIL I tapered off (last dose was 4/14/18). Effexor increases/regulates the levels of two brain neurotransmitters–norepinephrine (noradrenaline) and serotonin. At low doses, it prevents serotonin reuptake (leaves more serotonin in the system).Tell all of your health care providers and lab workers that you take Effexor XR (venlafaxine extended-release capsules). You may see parts of Effexor XR (venlafaxine extended-release capsules) in your stool. This is normal and not a cause for concern. If you are 65 or older, use Effexor XR (venlafaxine extended-release capsules) with care.Dec 31, 2015 · Venlafaxine is officially approved to treat major depressive disorder (MDD), generalized anxiety disorder (GAD), social anxiety disorder, and panic disorder in adults. 17 The immediate formulation of the drug, marketed as Effexor, was first approved by the FDA in 1993 and the extended-release formulation, Effexor XR, was later introduced in ... Effexor XR, the more popularly prescribed type of Effexor, is covered by most insurance and Medicare prescription plans. The generic version will have a lower copay, and the brand name may have a higher copay or may not be covered.Pristiq and Effexor are two popular medications indicated for the treatment of depression, a common mental health condition. Effexor XR (extended-release) also treats generalized anxiety disorder, panic disorder, and social anxiety. Both drugs are approved by the United States Food and Drug Administration (FDA).Effexor XR (venlafaxine hydrochloride) extended-release capsules treatment for up to 12 weeks in premarketing placebo-controlled trials for major depressive disorder was associated with a mean final on-therapy increase in serum cholesterol concentration of approximately 1.5 mg/dL compared with a mean final decrease of 7.4 mg/dL for placebo.Oct 12, 2011 · The tramadol affects the mu opoid receptors in the brain while the Effexor does not. While the tramadol does have antidepressant properties by affecting the two neurotransmitters mentioned, it is not meant to treat depression like the Effexor is. If the goal is pain control, the tramadol is recommended while if the goal is depression control ... My neurologist and psychiatrist both suggested Effexor since it can help with migraines and chronic pain. I was scared of the withdrawal and possible side effects and all these reviews but the headaches were so frequent I needed to do som. 1. Report this post.This medication is not prescribed for weight loss. It is for anxiety and depression. If you lose weight, which varies from patient to patient, consider it a plus if you are a bit obese, otherwise concentrate of the effects of what it was intended to do. Votes: +1. TR.My neurologist and psychiatrist both suggested Effexor since it can help with migraines and chronic pain. I was scared of the withdrawal and possible side effects and all these reviews but the headaches were so frequent I needed to do som. 1. Report this post.Venlafaxine. Venlafaxine, sold under the brand name Effexor among others, is an antidepressant medication of the serotonin-norepinephrine reuptake inhibitor (SNRI) class. [5] [8] It is used to treat major depressive disorder, generalized anxiety disorder, panic disorder, and social anxiety disorder. [8] Studies have shown that Venlafaxine ...كبسولات ايفيكسور اكس ار ( EFEXOR XR ) , امراض نفسية ينتمي العلاج إلى عائلة مثبطات استرداد السيريتونين و النورأدرنالين الانتقائية، والتي تعمل على زيادة نسبة النواقل العصبي...Effexor XR is indicated for the treatment of Social Anxiety Disorder (SAD), also known as social phobia. Efficacy was established in four 12-week and one 26-week, placebo-controlled trials. 1.4 Panic Disorder . Effexor XR is indicated for the treatment of Panic Disorder (PD), with or without agoraphobia. Efficacy Oct 17, 2015 · Effexor (venlafaxine) is considered "weight neutral" because weight changes, if there are any at all, can go either way: "Very common (10% or more of users): Anorexia (up to 20%) Common (1% to 10% of users): Decreased appetite, increased appetite, weight gain, weight loss". Note that most people do not experience any weight change. INDICATIONS. EFFEXOR XR (venlafaxine extended-release) capsules are a prescription medicine used to treat adults with a certain type of depression called Major Depressive Disorder (MDD), Generalized Anxiety Disorder (GAD), Social Anxiety Disorder (SAD), or Panic Disorder (PD). Effexor (venlafaxine) is considered "weight neutral" because weight changes, if there are any at all, can go either way: "Very common (10% or more of users): Anorexia (up to 20%) Common (1% to 10% of users): Decreased appetite, increased appetite, weight gain, weight loss". Note that most people do not experience any weight change.Buy effexor online quick and easy and live a happier and healthier life. We are a leading online pharmacy and one of the best places to buy effexor online. It is very easy to buy effexor online at our website by filling up an order form and providing your prescription details. Jan 25, 2023 · Severe symptoms of Effexor withdrawal that may require immediate medical attention include: 1. Suicidal thoughts: Effexor withdrawal can increase the risk of suicidal ideation or action. Constant headaches: Effexor withdrawal can lead to continuous and persistent headaches that can grow intense over time. Venlafaxine is used to treat depression. Venlafaxine extended-release (long-acting) capsules are also used to treat generalized anxiety disorder (GAD; 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 ...Venlafaxine is used to treat depression. Venlafaxine extended-release (long-acting) capsules are also used to treat generalized anxiety disorder (GAD; 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 ... Anxiety. Bipolar depression. Chronic muscle or joint pain. Diabetic neuropathy. Fibromyalgia. Low back pain or osteoarthritis pain. Panic disorder. Social phobia. Some reduction in symptoms may be noticed within one to two weeks; however, it may take six to eight weeks of treatment before the full effects are seen.كبسولات ايفيكسور اكس ار ( EFEXOR XR ) , امراض نفسية ينتمي العلاج إلى عائلة مثبطات استرداد السيريتونين و النورأدرنالين الانتقائية، والتي تعمل على زيادة نسبة النواقل العصبي...Apr 24, 2023 · Tell all of your health care providers and lab workers that you take Effexor XR (venlafaxine extended-release capsules). You may see parts of Effexor XR (venlafaxine extended-release capsules) in your stool. This is normal and not a cause for concern. If you are 65 or older, use Effexor XR (venlafaxine extended-release capsules) with care. I too began having seizures after being prescribed Effexor XR, along with other medications. The psychiatrist attributed my seizures to anything but the prescribed drugs. I was misdiagnosed as having epilepsy by a neurologist who claimed to not know the specific causation of my seizures. Aug 1, 2023 · Effexor; Effexor-XR; Descriptions. Venlafaxine is used to treat depression. It is also used to treat general anxiety disorder, social anxiety disorder, and panic disorder. Venlafaxine belongs to a group of medicines known as serotonin and norepinephrine reuptake inhibitors (SNRI). Effexor XR has an average rating of 6.8 out of 10 from a total of 110 reviews for the treatment of Generalized Anxiety Disorder. 57% of reviewers reported a positive experience, while 24% reported a negative experience. Filter by condition.75mg (Effexor XR, generic) 150mg (Effexor XR, generic) tablet, extended-release (besylate salt) 112.5 mg (Venbysi XR) Major Depressive Disorder. In many cases, Effexor may not adequately treat symptoms. 18 Effexor (venlafaxine) has a very short half-life, approximately 5 hours. 19 This means a late or missed dose can cause grievous problems, resulting in time lost at work, injuries and accidents, and other negative consequences. 20 As mentioned above, serious harm to health can occur ...EFFEXOR XR may cause serious side effects, including: Increased risk of suicidal thoughts and actions. EFFEXOR XR and other antidepressant medicines may increase suicidal thoughts and actions in some children, adolescents, and young adults, especially within the first few months of treatment or when the dose is changed. EFFEXOR XR is not for ... Jul 11, 2023 · Find everything you need to know about Effexor (Venlafaxine), including what it is used for, warnings, reviews, side effects, and interactions. Learn more about Effexor (Venlafaxine) at ... My neurologist and psychiatrist both suggested Effexor since it can help with migraines and chronic pain. I was scared of the withdrawal and possible side effects and all these reviews but the headaches were so frequent I needed to do som. 1. Report this post.

يحتوي Efexor XR على المادة الفعالة فينلافاكسين. إيفكسور أكس آر Efexor XR هو مضاد للاكتئاب ينتمي إلى مجموعة من الأدوية تسمى مثبطات امتصاص السيروتونين والنورادرينالين (SNRIs). تستخدم هذه المجموعة من .... Ann margret

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Effexor; Effexor-XR; Descriptions. Venlafaxine is used to treat depression. It is also used to treat general anxiety disorder, social anxiety disorder, and panic disorder. Venlafaxine belongs to a group of medicines known as serotonin and norepinephrine reuptake inhibitors (SNRI).Sertraline (Zoloft), paroxetine (Paxil), and venlafaxine ER (Effexor XR) are FDA-approved medications for social anxiety disorder. Non-medication treatments, such as cognitive behavioral therapy (CBT) and support groups, may be helpful in relieving anxiety symptoms. Ivan Pantic/E+ via Getty Images.Mar 14, 2023 · Effexor XR can cause side effects that range from mild to serious. Examples include weight changes, sweating, and high blood pressure. Effexor XR is used in adults to treat: major depressive ... يحتوي Efexor XR على المادة الفعالة فينلافاكسين. إيفكسور أكس آر Efexor XR هو مضاد للاكتئاب ينتمي إلى مجموعة من الأدوية تسمى مثبطات امتصاص السيروتونين والنورادرينالين (SNRIs). تستخدم هذه المجموعة من ...I started taking effexor xr 150mg in the year 2000. It's now Sept, 2016 and am on the same meds and recently was elevated to 225 mg. I suffer from depression, and have been diagnosed as having bi polar disorder. I now am getting severe "brain zaps" every day, migraines and severe dizzy spells.After taking Effexor XR for some weeks or months, or even years, the body and CNS will have self-engineered various ways to adapt to the presence of the drug. 7 This process of the body’s “learned” adaptation is likely a key part of how Effexor addiction or dependence gets laid in. The body begins to change how these neurochemicals are ...يحتوي Efexor XR على المادة الفعالة فينلافاكسين. إيفكسور أكس آر Efexor XR هو مضاد للاكتئاب ينتمي إلى مجموعة من الأدوية تسمى مثبطات امتصاص السيروتونين والنورادرينالين (SNRIs). تستخدم هذه المجموعة من ... Jan 12, 2023 · In one study, in which patients responding during 8 weeks of acute treatment with Effexor XR were assigned randomly to placebo or to the same dose of Effexor XR (75, 150, or 225 mg/day, qAM) during 26 weeks of maintenance treatment as they had received during the acute stabilization phase, longer-term efficacy was demonstrated. Effexor; Effexor-XR; Descriptions. Venlafaxine is used to treat depression. It is also used to treat general anxiety disorder, social anxiety disorder, and panic disorder. Venlafaxine belongs to a group of medicines known as serotonin and norepinephrine reuptake inhibitors (SNRI).You may have an increased risk of side effects (eg, mental or mood changes, numbness or tingling of the skin, dizziness, confusion, headache, increased sweating, diarrhea, nausea, vomiting, trouble sleeping, or unusual tiredness. If you need to stop Effexor, your doctor may need to gradually lower your dose. Lexapro (escitalopram) and Effexor (venlafaxine) are antidepressants used for treatment of major depression. Lexapro is also used to treat anxiety in adults. Lexapro belongs to the drug class selective serotonin reuptake inhibitors (SSRIs) while Effexor is a selective serotonin and norepinephrine reuptake inhibitor (SSNRI). Learn about dosage and side effects. Effexor Weight Gain And Loss: Why It Happens. Venlafaxine is thought to be a weight-neutral drug in the medical literature. This is because it may cause some patients to gain pounds while others can lose them while being treated with Effexor. Most venlafaxine effects, including weight changes, are characteristic features of the entire SNRI class..

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