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Mood Changes


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Mood changes of various kinds are very common in MS including:

The Psychosocial Implications that apply to all mood changes are:

  • Emotional issues tend to be underreported to the healthcare team, and undertreated when they are reported (with untreated or undertreated depression contributing to the high rate of suicide in MS).
  • Mood changes can interfere with:
    • Self-care
    • Treatment adherence
    • Role performance at home and work
    • Interpersonal relationships
    • Quality of life

Symptom: Depression

Two-question assessment tool (Mohr, 2007):

  1. During the past two weeks, have you often felt down, depressed or hopeless?
  2. During the past two weeks, have you had little interest or pleasure in doing things?

If your patient answers "yes" to either or both of these questions, she or he may be experiencing depression, one of the most common symptoms of MS. Your patient can access additional, free, confidential screening for depression and other emotional changes at Mental Health America ( You can also refer your patient to an National MS Society MS Navigator at 1-800-344-4867 or online for additional information or assistance finding a local mental health professional.

If your patient answered "no" to these questions, but has low mood, she or he may be experiencing normal grieving or other emotional changes.


  • SSRI antidepressants
  • SNRI antidepressants

[Note: antidepressant are typically prescribed at inadequate doses for people with MS; every effort should be made to identify the most effective medication at the optimal dose with the fewest side effects]

  • Psychotherapy
  • Exercise

Symptom: Anxiety


  • SSRI antidepressants
  • SNRI antidepressants

Symptom: Irritability


  • Low dose valproic acid; SSRI antidepressants

Symptom: Pseudobulbar affect

  • affects approximately 10% of people with MS


Resources for clinicians

Resources for patients