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Depression in Multiple Sclerosis Patients

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Patients with multiple sclerosis (MS) are reported to have major depressive disorder at twice the rates of the average population. Imaging studies of the brain indicate that disease activity may be be the cause for some cases. Although the exact mechanism remains unknown, depressed MS patients appear to have increased lesions in specific brain areas, including the right temporal lobe, left hemisphere suprasylvan region, and superior frontal or parietal regions. Drugs used to treat MS can also be associated with depression. Depressive symptoms may occur anytime during the course of MS, even in patients with very mild MS symptoms.

Reviews of death certificates indicated that suicide may be the cause of death in up to 15 percent of MS patients. Depression has been identified as the major risk factor for suicide. Social isolation, history of suicide attempts, and recent deterioration in function are also important factors. The level of neurological disability does not appear to be an independent factor.

For treatment, the first step is to determine whether medication used to treat MS is causing the depression. Corticosteroids and IFN-beta (Avonex, Rebif, and Betaseron) have been associated with neuropsychiatric side effects in some patients. Corticosteroids are reported to cause such effects in 5 to 8 percent of MS patients, including the following:
1. Depression
2. Mania
3. Euphoria
4. Hallucinations
5. Increased energy
6. Decreased sleep
7. Mood lability
Symptoms may be noted when corticosteroids are first used, or when they are discontinued, or with long-term use. It may be necessary to taper off gradually.

If the depression is not related to MS medication, treatment options include psychotherapy and standard antidepressants. However, there is not much data showing effectiveness of antidepressants in MS patients. Reference 1 reported a study comparing sertraline (Zoloft) to psychotherapy. In the sertraline group, 29 percent dropped out before completing the study, and only 24 percent had a response to treatment. Cognitive behavioral therapy had a much better response rate of 50 percent.

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EmpowHER Guest

As my wife who has been suffering for 26 years with PPMS says:
"If you have MS and you're not depressed you just aren't paying attention."

January 27, 2011 - 10:32pm
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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