Selective serotonin reuptake inhibitors (SSRIs) for PTSD
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How It Works
Chemicals in your brain affect the way you feel. When you have post-traumatic stress disorder (PTSD) or depression, you may not have enough of a chemical called serotonin. Selective serotonin reuptake inhibitors (SSRIs) raise the level of serotonin in your brain.
Why It Is Used
SSRIs often are used to treat all the symptoms of PTSD, as well as other conditions like depression or anxiety. These medicines also treat the sleep problems you may have with PTSD.
How Well It Works
Studies have shown that paroxetine, sertraline, and fluoxetine improved symptoms of PTSD when compared with a placebo.1 One study found that fluoxetine reduced how often symptoms come back when compared with a placebo.1
SSRIs can help more types of symptoms than other medicines.
Side effects of SSRIs include:
- Feeling sick to your stomach.
- Not feeling hungry.
- Feeling anxious, cranky, or grumpy.
- Problems sleeping or drowsiness.
- Not being interested in sex or not being able to have sex.
- Headaches or dizziness.
Usually, side effects will get better over time.
FDA Advisories. The U.S. Food and Drug Administration (FDA) has issued:
- An advisory on antidepressant medicines and the risk of suicide. The FDA does not recommend that people stop using these medicines. Instead, a person taking antidepressants should be watched for warning signs of suicide. This is especially important at the beginning of treatment or when doses are changed.
- A warning about taking triptans, used for headaches, with SSRIs (selective serotonin reuptake inhibitors) or SNRIs (selective serotonin/norepinephrine reuptake inhibitors). Taking these medicines together can cause a very rare but serious condition called serotonin syndrome.
See Drug Reference for a full list of side effects. (Drug Reference is not available in all systems.)
What To Think About
SSRIs usually are started at low doses and increased gradually. If you have side effects, your doctor may change your medicine or combine it with another medicine. This often can make your side effects go away. But SSRIs usually have fewer side effects than some other medicines for PTSD.
Your doctor may have to try different medicines to find one that works for you. Be sure to keep taking your medicines even after your symptoms get better.
Medicines are often combined with counseling to treat PTSD.
Women who take an SSRI during pregnancy have a slightly higher chance of having a baby with birth defects. If you are pregnant, you and your doctor must weigh the risks of taking an SSRI against the risks of not treating PTSD.
Never suddenly stop taking antidepressants. Stopping antidepressants suddenly can cause bad side effects. Your symptoms may get worse or come back. If you stop taking these medicines, do it gradually. Let your doctor decide how fast you should lower your dose.
Last Updated: January 21, 2009
Author: Jeannette Curtis