Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:. Take this medicine only as directed by your doctor to benefit your condition as much as possible.
Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. This medicine should come with a Medication Guide. Follow the instructions carefully. Ask your doctor if you have any questions. Take the extended-release capsule or tablet with food either in the morning or evening at about the same time each day. If your doctor tells you to take the medicine a certain way, take it exactly as directed.
Swallow the extended-release capsule whole with fluid. Do not crush, chew, divide, or place the capsule in a liquid. If you are unable to swallow the extended-release capsule, open it and pour the medicine on a spoonful of applesauce.
Swallow the mixture of applesauce and medicine right away without chewing. Drink a glass of water so all of the medicine is swallowed. The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of the medicine.
Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses. Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. 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.
Some people can't concentrate properly while they're taking venlafaxine. It might be best to stop driving and cycling for the first few days of treatment until you know how this medicine makes you feel. You can drink alcohol while taking venlafaxine but it may make you feel sleepy. It might be best to stop drinking alcohol during the first few days of treatment until you see how this medicine affects you. Cannabis with venlafaxine can give you a fast heartbeat. Cannabis can also make drowsiness worse with venlafaxine, especially in people who have just started taking it.
Methadone can make sleepiness worse with venlafaxine. It can be potentially dangerous to take venlafaxine with:. Venlafaxine has not been properly tested with recreational drugs. Talk to your doctor if you think you might take any while taking venlafaxine. Page last reviewed: 11 December Next review due: 11 December Venlafaxine On this page About venlafaxine Key facts Who can and can't take venlafaxine How and when to take it Side effects How to cope with side effects Pregnancy and breastfeeding Cautions with other medicines Common questions.
About venlafaxine Venlafaxine is a type of antidepressant often used to treat depression. Help us improve our website Can you answer a quick question about your visit today? It usually takes 4 to 6 weeks for venlafaxine to work. Side effects such as feeling sick, headaches, sweating, and dry mouth are common. They are usually mild and go away after a couple of weeks. The following information includes only the average doses of this medicine.
If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine. If you miss a dose of this medicine, take it as soon as possible.
However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses. Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing. There is a problem with information submitted for this request. Sign up for free, and stay up-to-date on research advancements, health tips and current health topics, like COVID, plus expert advice on managing your health. Error Email field is required.
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. Effexor XR can increase pressure in your eyes. If you are unsure of whether you have uncontrolled angle-closure glaucoma, talk with your doctor.
Use in children. Antidepressant use in children is related to an increased risk of suicidal thoughts and behaviors.
Breastfeeding while taking Effexor XR can cause side effects in nursing children. Effexor XR overdose. Using more than the recommended dosage of Effexor XR can lead to serious side effects. Effexor XR expiration, storage, and disposal. Storage How long a medication remains good can depend on many factors, including how and where you store the medication. Exposure to air pollutants may amplify risk for depression in healthy individuals. Costs associated with obesity may account for 3.
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