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Serotonin and norepinephrine reuptake inhibitors (SNRIs)
Selective serotonin reuptake inhibitors (SSRIs)
Antidepressant medicines increase levels of
the chemicals produced in the brain to improve your mood. Lower doses relieve
pain and may help you sleep.
In low doses, antidepressants may relieve
chronic pain and pain related to the peripheral nervous system (neuropathic
pain), such as
cancer pain. They may also cause drowsiness, which may
improve sleep and relieve fatigue.
In higher doses,
antidepressants can help to relieve symptoms of
Some people find that low doses of
antidepressants help relieve cancer pain. Researchers are still exploring
whether and how well antidepressants affect cancer pain. These drugs can
improve sleep. This, in turn, may improve your ability to manage your
Different antidepressants have different
side effects. If you have severe side effects from one drug, your doctor may
give you a different one.
Most side effects decrease over time.
They may include:
See Drug Reference for a full list of side effects. (Drug
Reference is not available in all systems.)
FDA advisory. The U.S. Food and
Drug Administration (FDA) has issued an
advisory on antidepressant medicines and the risk of
suicide. Talk to your doctor about these possible side effects and the warning signs of suicide.
Do not suddenly stop taking antidepressants. The use of antidepressants should be tapered off slowly and only under the supervision of a doctor. Abruptly stopping antidepressant medicines can cause negative side effects or a relapse into another depression episode.
Studies have found that daily use
of SSRIs may increase the risk of bone fracture in adults over age 50. Before
taking an SSRI, talk to your doctor about this risk.
is the most common antidepressant that is used to treat cancer pain. It may
cause side effects, such as dry mouth, drowsiness, constipation, or difficulty
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.
People with cancer pain and depression are often
treated with one of the following:
bleeding more likely in the upper gastrointestinal tract (stomach and
esophagus). Taking SSRIs with NSAIDs (such as Advil or Aleve) makes bleeding
even more likely. Taking medicines that control acid in the stomach may
Women who take an SSRI during pregnancy have a slightly higher chance of having a baby with birth defects.
Complete the new medication information form (PDF)new medication information form (PDF)(What is a PDF document?) to help you understand this medication.
Current as of:
September 11, 2013
E. Gregory Thompson, MD - Internal Medicine & Michael Seth Rabin, MD - Medical Oncology
How this information was developed to help you make better health decisions.
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