These include:. You can also call the American Association of Poison Control Centers at or use their online tool. But if your symptoms are severe, call or go to the nearest emergency room right away. When you get Effexor XR from the pharmacy, the pharmacist will add an expiration date to the label on the bottle. This date is typically 1 year from the date they dispensed the medication. The expiration date helps guarantee the medication is effective during this time.
If you have unused medication that has gone past the expiration date, talk to your pharmacist about whether you might still be able to use it. How long a medication remains good can depend on many factors, including how and where you store the medication. Avoid storing this medication in areas where it could get damp or wet, such as bathrooms. This helps prevent others, including children and pets, from taking the drug by accident. It also helps keep the drug from harming the environment.
The FDA website provides several useful tips on medication disposal. You can also ask your pharmacist for information on how to dispose of your medication. Disclaimer: Medical News Today has made every effort to make certain that all information is factually correct, comprehensive, and up-to-date.
However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional.
You should always consult your doctor or other healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.
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The link is…. Effexor XR venlafaxine. What is Effexor XR? Effexor XR uses. Effexor XR generic. Effexor XR contains the active drug ingredient venlafaxine.
Effexor XR side effects. Serious side effects and their symptoms can include the following: Seizures. Serotonin syndrome high levels of serotonin, a chemical in your brain. Symptoms can include: anxiety shakiness fever diarrhea fast heartbeat seizures High blood pressure.
Symptoms can include: headache shortness of breath Abnormal bleeding. Symptoms can include: bruising easily and often nosebleeds coughing up blood producing vomit that looks like coffee grounds blood in your stool black or tarry stool Hyponatremia low sodium levels. Symptoms can include: headache trouble focusing weakness feeling unsteady fainting seizures Lung disease and pneumonia. Symptoms can include: shortness of breath cough pain in your chest fever Withdrawal symptoms if you stop taking the drug suddenly.
Suicidal thoughts and behaviors in children and young adults. Side effect details You may wonder how often certain side effects occur with this drug.
Allergic reaction As with most drugs, some people can have an allergic reaction after taking Effexor XR. Symptoms of a mild allergic reaction can include: skin rash itchiness flushing warmth and redness in your skin A more severe allergic reaction is rare but possible. Symptoms of a severe allergic reaction can include: swelling under your skin, typically in your eyelids, lips, hands, or feet swelling of your tongue, mouth, or throat trouble breathing Call your doctor right away if you have a severe allergic reaction to Effexor XR.
Weight gain or weight loss Weight gain and weight loss have occurred in clinical studies of Effexor XR. Nausea Nausea is a common side effect of Effexor XR. Insomnia Insomnia trouble sleeping is a common side effect of Effexor XR. Suicidal thoughts and behaviors in young people There is an increased risk of suicidal thoughts and behavior in young people up to 24 years old who take antidepressants, including Effexor XR. Note: Effexor XR is not approved for use in children younger than 18 years old.
Side effects in children Effexor XR is not approved for use in children under 18 years old. Weight loss in children In clinical studies lasting 8 to 16 weeks, many children who took Effexor XR had a lack of appetite. Slowed growth in children In clinical studies , children who took Effexor XR grew in height more slowly than typical children in their age group. Effexor XR dosage. The Effexor XR dosage your doctor prescribes will depend on several factors. You take it with food.
It comes in three strengths: Dosage for generalized anxiety disorder The usual starting dosage of Effexor XR for generalized anxiety disorder GAD is 75 mg once daily. Dosage for social anxiety disorder The standard dosage of Effexor XR for social anxiety disorder is 75 mg once daily. Dosage for panic disorder The usual starting dosage of Effexor XR for panic disorder is What if I miss a dose?
Will I need to use this drug long term? Effexor XR withdrawal. These symptoms can include: anxiety feeling agitated confusion flu-like symptoms insomnia trouble sleeping shakiness diarrhea nausea vomiting To avoid withdrawal symptoms, your dosage of Effexor XR should be tapered gradually decreased over several weeks.
Effexor XR and alcohol. Alternatives to Effexor XR. Effexor XR interactions. Taking Effexor XR with St. Tryptophan also called 5-HTP is a supplement used to improve mood and sleep quality. Taking Effexor XR with tryptophan can increase your risk for serotonin syndrome see below. About serotonin syndrome Serotonin syndrome is a serious reaction that happens when too much serotonin a chemical produced by nerve cells builds up in your body.
Common questions about Effexor XR. Here are answers to some frequently asked questions about Effexor XR. Is the immediate-release form of Effexor available? Is Effexor XR a stimulant? Effexor XR and pregnancy. Effexor XR and birth control. Effexor XR and breastfeeding. How Effexor XR works. How long does it take to work? Effexor XR cost. As with all medications, the cost of Effexor XR can vary.
Financial and insurance assistance If you need financial support to pay for Effexor XR, or if you need help understanding your insurance coverage, help is available. How to take Effexor XR. When to take Effexor XR is taken once a day. Can Effexor XR be crushed, split, or chewed? No, Effexor XR should not be crushed, split, or chewed. Effexor XR precautions. This drug comes with several warnings. FDA warning: Increased risk of suicidal thoughts and behavior in young people This drug has a boxed warning.
Other precautions Before taking Effexor XR, talk with your doctor about your health history. These include: Bipolar disorder or mania. Effexor XR should not be used to treat bipolar disorder, including manic episodes, because it can worsen these conditions.
Before starting Effexor XR, your doctor will screen you for risk of bipolar disorder. If you have a family history of bipolar disorder or are unsure if you have bipolar disorder, talk with your doctor. They will determine if Effexor XR is safe for you. Uncontrolled high blood pressure.
Effexor XR can cause an increase in blood pressure. Your doctor will likely recommend that your high blood pressure becomes controlled at a healthy level before starting Effexor XR. Effexor XR may increase the risk of seizures for some people. If you have a history of seizures, talk to your doctor to determine if Effexor XR is safe for you. History of allergic reaction. Uncontrolled angle-closure glaucoma.
Serotonin syndrome symptoms may include shivering, diarrhea, confusion, severe muscle tightness, fever, seizures, and death. SNRI antidepressants including venlafaxine may increase the risk of bleeding events. Combined use of aspirin, nonsteroidal anti-inflammatory drugs e.
This may include gums that bleed more easily, nose bleed, or gastrointestinal bleeding. Some cases have been life threatening. To date, there are no known problems associated with long term use of venlafaxine. It is a safe and effective medication when used as directed. Venlafaxine should not be taken with or within 2 weeks of taking monoamine oxidase inhibitors MAOIs.
Venlafaxine may increase the effects of other medications that can cause bleeding e. Sleep, energy, or appetite may show some improvement within the first weeks.
Improvement in these physical symptoms can be an important early signal that the medication is working. Depressed mood and lack of interest in activities may need up to weeks to fully improve. Depression and certain other psychiatric disorders are themselves associated with increases in the risk of suicide. This risk may persist until significant remission occurs. In short-term studies, antidepressants increased the risk of suicidality in children, adolescents, and young adults when compared to placebo.
Short-term studies did not show an increase in the risk of suicidality with antidepressants compared to placebo in adults beyond age Adults age 65 and older taking antidepressants have a decreased risk of suicidality. Patients, their families, and caregivers should be alert to the emergence of anxiety, restlessness, irritability, aggressiveness and insomnia.
All patients being treated with antidepressants for any indication should watch for and notify their health care provider for worsening symptoms, suicidality and unusual changes in behavior, especially during the first few months of treatment. Last Updated: January This information is being provided as a community outreach effort of the College of Psychiatric and Neurologic Pharmacists.
This information is for educational and informational purposes only and is not medical advice. This information contains a summary of important points and is not an exhaustive review of information about the medication. Always seek the advice of a physician or other qualified medical professional with any questions you may have regarding medications or medical conditions. Never delay seeking professional medical advice or disregard medical professional advice as a result of any information provided herein.
The College of Psychiatric and Neurologic Pharmacists disclaims any and all liability alleged as a result of the information provided herein. Search Close Menu. Sign In About Mental Illness. About Mental Illness Treatments. About Mental Illness Research. Your Journey Individuals with Mental Illness. Your Journey Family Members and Caregivers. Your Journey Identity and Cultural Dimensions. Your Journey Frontline Professionals. Get Involved Become a Fundraiser. Do not stop taking your medicine unless your doctor tells you to.
Venlafaxine has been linked to a very small increased risk of problems for your unborn baby. However if your depression is not treated during pregnancy this can also increase the chance of problems.
You may need to take venlafaxine during pregnancy if you need it to remain well. Your doctor can explain the risks and the benefits, and will help you decide which treatment is best for you and your baby. If your doctor or health visitor says your baby is healthy, venlafaxine can be used during breastfeeding. It has been used in breastfeeding mothers usually without any problems.
Venlafaxine passes into breast milk in small amounts. It has been linked with side-effects in very few breastfed babies. It is important to continue taking venlafaxine to keep you well. Breastfeeding will also benefit both you and your baby. If you notice that your baby isn't feeding as well as usual, or seems unusually sleepy, or if you have any other concerns about your baby, then talk to your health visitor or doctor as soon as possible.
Some medicines and venlafaxine can interfere with each other and increase the chances of you having side effects.
Tell your doctor if you're taking these medicines before you start venlafaxine :. Do not take the herbal remedy for depression, St John's wort, while you are being treated with venlafaxine as it will increase your risk of side effects. Tell your doctor or pharmacist if you are taking any other medicines, including herbal remedies, vitamins or supplements. Venlafaxine is one of a group of antidepressants called serotonin and noradrenaline reuptake inhibitors, or SNRIs.
These medicines are thought to work by increasing the levels of mood-enhancing chemicals called serotonin and noradrenaline in the brain. You may see an improvement in your symptoms after a week although it usually takes between 4 and 6 weeks before you feel the full benefits. That's because it takes around a week for venlafaxine levels to build up in your body, and then a few weeks longer for your body to adapt and get used to it. Do not stop taking venlafaxine just because you feel it is not helping your symptoms.
Give the medicine at least 6 weeks to work. Antidepressants like venlafaxine help to jump start your mood so you feel better. You may notice that you sleep better and get on with people more easily because you're less anxious. You will hopefully take little things that used to worry you in your stride. Venlafaxine won't change your personality or make you feel really happy. It will simply help you feel like yourself again. Don't expect to feel better overnight, though. Some people feel worse during the first few weeks of treatment before they begin to feel better.
Once you're feeling better it's likely that you will continue to take venlafaxine for several more months. Most doctors recommend that you take antidepressants for 6 months to 1 year after you no longer feel depressed.
Stopping before that time can make depression come back. A few people may get sexual side effects, such as problems getting an erection or a lower sex drive.
In some cases these can continue even after stopping the medicine. Speak to your doctor if you are worried. If you've been feeling better for 6 months or more, your doctor may suggest coming off venlafaxine. Your doctor will probably recommend reducing your dose gradually over several weeks - or longer, if you have been taking venlafaxine for a long time.
This is to help prevent any extra side effects you might get as a reaction to coming off the medicine. These include:. Do not stop taking venlafaxine suddenly, or without talking to your doctor first. Venlafaxine isn't any better or worse than other antidepressants.
However, sometimes people respond better to one antidepressant than to another. If you aren't feeling any better after 6 weeks, talk to your doctor.
Antidepressants, including venlafaxine, are just one of several approaches to treating depression or anxiety. If you're interested in any of these treatments, talk to your doctor. There's no firm evidence to suggest that taking venlafaxine will reduce fertility in men, but it may interfere with the menstrual cycle in women.
Speak to a pharmacist or your doctor if you're trying to get pregnant. They may want to review your treatment. Venlafaxine can make you feel less hungry than usual, so you may lose weight when you start taking it.
Some people might find they gain weight. If you start to have problems with your weight while taking venlafaxine, talk to your doctor or pharmacist. The good effects of venlafaxine may, after a while, improve your sex life as your mood lifts and you become interested in life and relationships again. Sexual side effects usually pass after the first couple of weeks.
However, very rarely, they can be long lasting and may not get better even after stopping the medicine. If these happen and are a problem for you, go back to your doctor to see if there's another treatment you can try. Venlafaxine will not affect contraception including the combined pill or emergency contraception.
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