Effexor is a type of antidepressant made by wyeth, and then pfizer, with the generic name venlafaxine. Common side effects of effexor include changes in weight and appetite, nausea, dry mouth, constipation, dizziness, headache, abnormal dreams, insomnia, blurred vision, nervousness, increased. What to expect when starting heres when people typically experience bene. Several different side effects can occur with the use of effexor. Medication guide effexor xrefexor venlafaxine hydrochloride extendedrelease capsules read the medication guide that comes with effexor xr before you start taking it and each time you get a refill. Venlafaxine, sold under the brand name effexor among others, is an antidepressant medication of the serotoninnorepinephrine reuptake inhibitor snri class.
In addition to some common, not too serious side effects, venlafaxine has been found to cause serious problems like birth defects, suicide, and others. More common side effects of effexor are nausea, loss of appetite and weight loss, constipation, increased sweating, or changes in sexual desire or function. Some side effects may occur that usually do not need medical attention. In a flexibledose study, with effexor doses in the range of 200 to 375 mgday and mean dose greater than 300 mgday, effexortreated patients had a mean increase in heart rate of 8. Do not use venlafaxine within 7 days before or 14 days. Uncommon side effects of effexor, occurring in less than 1. Let your doctor know if any of these symptoms last a long time, get worse, or do not go away.
Effexor, effexor xr venlafaxine dosing, indications. This document contains side effect information about venlafaxine. Most of these are not serious and can be tolerated until the medication really starts to relieve depression or anxiety symptoms. Pediatric concerns children taking venlafaxine may lose their appetite or stop eating and some have experienced significant weight loss. Venlafaxine oral effexor side effects, medical uses, and. If your child is taking venlafaxine, your childs doctor will watch your childs growth carefully. Any other psychiatric or medical problems you have, including a history of bipolar disorder all other medications. Effexor side effects birth defects, withdrawal and other risks. Effexor xr, therefore, provides a slower rate of absorption, but the same extent of absorption compared with the immediate release tablet. Read more about the prescription drug venlafaxine oral.
It works by improving energy level and mood and helps to restore interest in daily living. It is used to treat depression and anxiety disorders and though it is similar to ssris, some of effexors side effects may be different. Effexor venlafaxine is a serotoninnorepinephrine reuptake inhibitor snri antidepressant. Effexor effexor xr venlafaxine effexor is a medication most commonly used for depression, though it may also be used to treat anxiety or panic disorder and is occasionally used for other offlabel. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Side effects of luvox that are different from effexor include diarrhea, gas, sore throat, weakness, yawning, skin rash, heavy menstrual periods, muscle pain, and abnormal ejaculation.
Withdrawal side effects can be managed through a slow and controlled taper that lowers the dosage over time. As with any medication, the side effects of effexor and effexorxr can very hard to deal with physically and emotionally. Tried many antidepressants, effexor was the only one that has helped me. Some uncommon effexor xr side effects include high cholesterol, hair loss, and muscle and bone pain. Check with your doctor immediately if any of the following side effects. What is the most important information i should know about venlafaxine. Dec 30, 2019 along with its needed effects, venlafaxine the active ingredient contained in effexor may cause some unwanted effects. Severe effexor side effects may include those affecting the cardiovascular and nervous system, the skin and musculoskeletal system, and may include birth defects when effexor. Venlafaxine is a medication used in the treatment of depression. Effexor venlafaxine is good for treating depression and anxiety, but it can caus e more withdrawal symptoms if you stop suddenly compared to other antidepressants. A word of advice about effexor i have been on it for 8 years and am currently tapering off dont think of it as a longterm solution. Effexor is typically weaned out of the body using a slow tapering of the dosage to manage and minimize withdrawal symptoms.
Effexor fda prescribing information, side effects and uses. For more information on this medication, you may consult further with your physician or refer to a standard text, such as the pdr. Snri antidepressant, effexor, may cause a number of side effects which can result in serious illness or injury. Effexor effexor xr venlafaxine effexor is a medication most commonly used for depression, though it may also be used to treat anxiety or panic disorder and is occasionally used for other offlabel conditions for which the fda has not provided approval that does not mean it has no chance of working, it. Along with its needed effects, venlafaxine the active ingredient contained in effexor may cause some unwanted effects. Do not use effexor xr if you are currently taking or have recently taken monoamine oxidase. Side effects of effexor xr venlafaxine hydrochloride. Effexor xr venlafaxine hydrochloride product monograph. Effexor venlafaxine hydrochloride is indicated for the treatment of major depressive disorder. Some of the dosage forms listed on this page may not apply to the brand name effexor xr in summary.
Effexor side effects nausea, sexual dysfunction and decreased appetite are among the common side effects of effexor venlafaxine. Consumer information about the medication venlafaxine oral effexor, includes side effects, drug interactions, recommended dosages, and storage information. This is not an allinclusive list but is representative of items of potential clinical significance to you. Side effects of effexor that are different from luvox include nervousness, constipation, headaches, blurred vision, changes in weight, impotence, increased. Effexor can be a very positive and life changing medication for someone suffering from depression andor symptoms of anxiety. Reviewed effexor xr on 352020 take your effexor at the same time every day and dont miss a dose or you will suffer a big set back for a few days. Medications and supportive measures can be beneficial as well. It is used to treat major depressive disorder mdd, generalized anxiety disorder gad, panic disorder, and social phobia. In clinical studies, the most common side effects with effexor xr reported in at least 5% of patients and at least twice as often as with placebo were constipation, dizziness, dry mouth, insomnia, loss of appetite, nausea, nervousness, sexual side effects. These are not all the possible side effects of effexor xr. Effexor xr and other antidepressant medicines may increase suicidal thoughts or actions in some children, teenagers, or young adults within the first few months of treatment or when the dose is changed.
Do not use venlafaxine within 7 days before or 14 days after you have used an mao inhibitor, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine. Effexor xr venlafaxine hcl medication guide pfizer. Effexor xr venlafaxine hcl medication guide pfizer medical. Tell your healthcare provider if you have any side effect that bothers you or that does not go away. Anticholinergic side effects, drowsiness, weight gain, sexual side effects pregnancy category dx highrisk. Effexor xr and other antidepressant medicines may increase suicidal thoughts. Hi mbr22, yes, sleepiness is definitely an initial side effect of effexor. Selective serotonin reuptake inhibitors ssris mayo clinic. A 12week study utilizing effexor xr doses in a range 75 to 150 mgday mean dose for completers was 6 mgday and an 8week study utilizing effexor xr doses in a range 75 to 225 mgday mean dose for completers was 177 mgday both demonstrated superiority of effexor xr over placebo on the hamd total score, hamd depressed mood item, the. Venlafaxine is not approved for use in pediatric patients, and the. Knowing the side effects of effexor will make the experience of taking it much easier on both you and your family.
Venlafaxine is not approved for use in pediatric patients, and the medication guide warns pregnant or nursing women not to take the drug without discussing the risks with their doctor. The more serious effexor side effects, however, involve pregnant or nursing women, children, teens and young adults. Call your doctor for medical advice about side effects. Tell your doctor if you experience worsening depression or thoughts of suicide while taking effexor xr. Effexor side effects in more detail what other drugs will affect effexor. Dec 20, 2018 effexor venlafaxine is an antidepressant belonging to a group of drugs called selective serotonin and norepinephrine reuptake inhibitors ssnris. Our effexor side effects drug center provides a comprehensive view of available drug information on the potential side effects when taking this medication. Find information about common, infrequent and rare side effects of effexor xr oral. Venlafaxine effexor side effects, dosage, interactions.
Among the most commonly reported side effects are nausea, insomnia, abnormal dreams, and dizziness. It significantly improves mood and enhances energy. Potential adverse effects are unusual, but they do happen. If you experience side effects from your medications, discuss them with your provider. Effexor side effects get emergency medical help if you have any of these signs of an allergic reaction to effexor. Do not stop using effexor suddenly, or you could have unpleasant symptoms. Adverse reactions, some of which were serious, have been reported in. Uncommon side effects of effexor, occurring in less than 1 percent of people, can include seizures, liver problems, or hair loss. Most frequently reported side effects nausea, dry mouth and tiredness are the most commonly reported side effects. Effexor approved and offlabel uses, dosages and warnings. Before using effexor, tell your doctor if you regularly use other medicines that make you sleepy such as cold or allergy medicine, sedatives, narcotic pain medicine, sleeping. Avoid in elderly due to anticholinergic side effects.
Instead, taper the medication slowly over a month and then stop it. Common side effects include nausea, headache, drowsiness, and dry mouth. Although not all of these side effects may occur, if they do occur they may need medical attention. The side effects featured here are based on those most frequently appearing in user posts on the internet. Drinking alcohol can increase certain side effects of. Effexor is a medication most commonly used for depression, though it may also be used to treat anxiety or panic. Has a very short halflife compared to other ssris highrisk for withdrawal. Find patient medical information for effexor oral on webmd including its uses, side effects and safety, interactions, pictures, warnings and user ratings. There are a number of side effects that can potentially occur with the use of effexor xr. Check with your doctor immediately if any of the following side effects occur while taking venlafaxine.
The manufacturers product labeling should always be consulted for a list of side effects most frequently appearing in patients during clinical studies. Since it was first approved in 1993, the patent has run out and generic forms are available. If you are taking some other medications simultaneously with effexor, you may experience certain interactions. Effexor effexor xr venlafaxine effexor is a medication most. Oct 08, 2018 effexor venlafaxine is used to treat depression and social anxiety disorder social phobia.
This is not a complete list of side effects and others may occur. Among those is sometimes weight gaining where the drug can act synergistically which will alter the effexor effects and result in promoting higher weight gain side effect. Effexor venlafaxine can cause side effects such as decreased libido and increased blood pressure. Talk to your childs doctor about the risks of giving venlafaxine to your child. Find patient medical information for effexor xr oral on webmd including its uses, side effects and safety, interactions, pictures, warnings and user ratings. See what others have said about venlafaxine, including the effectiveness, ease of use and side effects. Food did not affect the bioavailability of venlafaxine or its active metabolite, odv. Effexor venlafaxine hydrochloride side effects, images. For more information, ask your healthcare provider or pharmacist.
They can ease symptoms of moderate to severe depression, are relatively safe and typically cause fewer side effects than other types of antidepressants do. Venlafaxine affects chemicals in the brain that may be unbalanced in people with depression. There was insufficient information to determine the effect of age or race. These side effects may go away during treatment as your body adjusts to the medicine. Effexor xr and other antidepressant medicines may cause serious side effects, including. Serious side effects of effexor xr include clinical worsening of symptoms and suicide risk, especially in younger patients. The efficacy of effexor in the treatment of major depressive disorder was established in 6week controlled trials of adult outpatients whose diagnoses corresponded most closely to the dsmiii. The antidepressant drug can also cause more serious. If experienced, these tend to have a severe expression. In clinical studies, the most common side effects with effexor xr reported in at least 5% of patients and at least twice as often as with placebo were constipation, dizziness, dry mouth, insomnia, loss of appetite, nausea, nervousness, sexual side effects, sleepiness, sweating, and weakness. Effexor side effects birth defects, withdrawal and other. Effexor venlafaxine is good for treating depression and anxiety, but it can cause more withdrawal symptoms if you stop suddenly compared to other antidepressants. Talk to your doctor about which medications may be most appropriate for you.
The most common side effects of effexor are diarrhea or constipation, stomach pains, vomiting, nausea, heart burn, and gas. I can sleep and sleep on this medication, dizziness, sweat a lot. Product monograph download pdf, 541kb pfizer canada. Possible side effects, warnings, and cautions associated with this medication are listed below. The prescribing information for effexor lists the following as side effects of the medication. Signs, symptoms, and side effects of effexor venlafaxine abuse.
Food has no significant effect on the absorption of venlafaxine or on the formation of. Selective serotonin reuptake inhibitors ssris are the most commonly prescribed antidepressants. Effexor effexor xr venlafaxine effexor is a medication most commonly used for depression, though it may also be used to treat anxiety or panic disorder and is occasionally used for other offlabel conditions for which the fda has not provided approval that does not mean it has no chance of working, it usually just signifies that there is not. This medication guide does not take the place of talking to. Venlafaxine may slow growth and weight gain in children. Some side effects may pass with time, but others may require changes in the medication. Medications you have taken in the past for your condition, whether they were effective or caused any adverse effects. Do not stop taking venlafaxine or change your dose without the advice of your doctor even if you feel better. It is used to treat depression and anxiety disorders and though it is similar to ssris, some of effexor s side effects.
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