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All of these antidepressants are tablets taken by mouth
These antidepressants are newer (second-generation)
antidepressants and tend to have fewer side effects than older
(first-generation) antidepressants such as
tricyclic antidepressants and
monoamine oxidase inhibitors (MAOIs).
Serotonin reuptake inhibitors (SSRIs) also are
Bupropion, duloxetine, mirtazapine,
trazodone, and venlafaxine balance certain brain chemicals (neurotransmitters) that are important to your mood.
When these brain chemicals are balanced, it helps the symptoms of depression.
Your doctor may suggest these
medicines when other antidepressants don't work or have bothersome side
effects. For example:
You take these medicines alone or with another
Make sure your doctor knows all your medical history, all
health problems you have, and all medicines you are taking before you use these
These medicines have not been approved for use in
people younger than age 18.
These antidepressants work to treat
Bupropion, duloxetine, mirtazapine, trazodone, and
venlafaxine help adults and have been approved by the U.S. Food and Drug
Administration (FDA) for treating depression.
All medicines have side effects. But many people don't feel the side effects, or they are able to deal with them. Ask your pharmacist about the side effects of each medicine you take. Side effects are also listed in the information that comes with your medicine.
Here are some important things to think about:
Call 911 or other emergency services right away if you have:
Call your doctor right away if you have:
Common side effects of this medicine include:
Bupropion may trigger
seizures in some people. Talk to your doctor before
taking this medicine if you have a history of seizures or
When you stop using venlafaxine, side effects can
include dizziness, nausea, headache, abnormal touch sensation or tingling
(paresthesia), vomiting, irritability, and
makes bleeding more likely in the upper gastrointestinal tract (stomach and
esophagus). Taking venlafaxine with NSAIDs (such as Advil or Aleve) makes
bleeding even more likely. Taking medicines that control acid in the stomach
Common side effects of these medicines include:
More serious side effects are rare but can include liver
problems (particularly in people who drink a lot of alcohol), increased blood
mania or hypomania, seizures, and mydriasis (pupil
dilation), which can cause problems for people who have narrow-angle
When you stop using duloxetine, side effects can include
dizziness, nausea, headache,
paresthesia (abnormal touch sensation or tingling),
vomiting, irritability, and nightmares.
See Drug Reference for a full list of side effects. (Drug
Reference is not available in all systems.)
Antidepressant medicines work in
different ways. No antidepressant works better than another, but different ones
work better or worse for different people. The side effects of antidepressant
medicines are different and may lead you to chose one instead of another. Tell
your doctor about side effects.
You may have to try different
medicines or take more than one to help your symptoms. Most people find a
medicine that works within a few tries. Other people take longer to find the
right one and may need to take the antidepressant and another type of
Take your antidepressant as your doctor says. Don't quit
taking your medicines without talking to your doctor. If you quit suddenly, it
can cause dizziness, anxiety, fatigue, and headache. If you and your doctor
decide you can quit using medicine, gradually reduce the dose over several
You may start to feel better within 1 to 3 weeks of taking
antidepressant medicine. But it can take as many as 6 to 8 weeks to see more
improvement. If you have questions or concerns about your medicines, or if you
do not notice any improvement by 3 weeks, talk to your doctor.
As with other antidepressants, these medicines should not be used along
with monoamine oxidase inhibitors (MAOIs) because serious, sometimes fatal,
reactions can occur. To avoid serious reactions, wait at least 14 days after
ending an MAOI treatment before beginning treatment with any one of these
These medicines must be used
very carefully in those who have bipolar disorder, because they may trigger a
manic episode. If you have bipolar disorder, your doctor may prescribe them
along with a mood stabilizer.
Medicine is one of the many tools your doctor has to treat a health problem. Taking medicine as your doctor suggests will improve your health and may prevent future problems. If you don't take your medicines properly, you may be putting your health (and perhaps your life) at risk.
There are many reasons why people have trouble taking their medicine. But in most cases, there is something you can do. For suggestions on how to work around common problems, see the topic Taking Medicines as Prescribed.
Women who use this medicine during pregnancy have a slightly higher chance of having a baby with birth defects. If you are pregnant or planning to get pregnant, you and your doctor must weigh the risks of using this medicine against the risks of not treating your condition.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Complete the new medication information form (PDF)(What is a PDF document?) to help you understand this medication.
Abajo FJ, Garcia-Rodriguez LA (2008). Risk of upper gastrointestinal tract bleeding associated with selective serotonin reuptake inhibitors and venlafaxine therapy. Archives of General Psychiatry, 65(7): 795–803.
Current as of:
January 11, 2013
Kathleen Romito, MD - Family Medicine & Lisa S. Weinstock, MD - Psychiatry
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